Introduction
The Paccar MX 13 engine is a powerhouse on the road, known for its impressive performance and durability. However, even the most reliable engines can face hiccups. When issues arise, understanding the Paccar MX 13 fault code list becomes crucial for timely diagnosis and repair. In this comprehensive guide, we will decode the world of Paccar MX 13 fault codes, helping you keep your engine in peak condition.
*Please press the following to search through the Paccar MX 13 fault code list: CTRL+ F
| Error Code | Failure Detail |
|---|---|
| P0016 | Camshaft sensor F558 – Cam synchronization fault |
| P0017 | Crankshaft sensor F552 – Signal not synchronized |
| P0027 | BPV actuator (L020) – position control |
| P0046 | Rotary speed actuator (L037) – VTG does not achieve the requested position |
| P0049 | Turbo speed sensor (F683) – the turbo speed is too high |
| P0069 | Inlet air pressure in inlet manifold – Data erratic, intermittent, or incorrect at ignition on |
| P006B | Pressure after BPV sensor (F823) – Pressure is out of range at the time of ignition |
| P006C | Humidity sensor (F852) – Out of range at the time of ignition |
| P0070 | CAN communication – Ambient temperature sensor (AMB) – Signal incorrect |
| P0071 | Ambient temperature sensor (F748) – rate of change fault |
| P0072 | Ambient temperature sensor (F748) – voltage too low on pin C78 of the ECU |
| P0073 | Ambient temperature sensor (F748) – voltage too high on pin C78 of the ECU |
| P0075 | Air shutdown actuator – interruption in the wiring on pin C73 of the ECU |
| P0076 | Air shutdown actuator – short circuit to ground on pin C73 of the ECU |
| P0077 | Air shutdown actuator – short circuit to supply on pin C73 of the ECU |
| P0079 | BPV position sensor (F811) – Position sensor ECU pin C66 signal voltage too low |
| P0080 | BPV position sensor (F811) – Position sensor ECU pin C66 signal voltage too high |
| P0087 | Fuel pressure system – The fuel pressure is too low |
| P0088 | Fuel pressure control valve – stuck in the closed position |
| P0095 | Intercooler temperature sensor (F750) – Air temperature out of range at ignition key on |
| P0096 | Intercooler temperature sensor (F750) – Rate of change fault |
| P0097 | Intercooler temperature sensor (F750) – voltage too low on pin C17 of the ECU |
| P0098 | Intercooler temperature sensor (F750) – voltage too high on pin C17 of the ECU |
| P009A | Measured ambient temperature (F748) does not correspond to the calculated air temperature |
| P0101 | Mass air flow sensor – Rate of change fault |
| P0102 | Mass air flow sensor – Mass air flow signal too low |
| P0103 | Mass air flow sensor – Mass air flow signal too high |
| P0107 | Boost pressure sensor F802 – ECU pin A51 signal voltage too low |
| P0108 | Boost pressure sensor F802 – ECU pin A51 signal voltage too high |
| P0110 | Boost temperature sensor F804 – Boost temperature is out of range at ignition key on |
| P0111 | Humidity sensor (F852) – Rate of change fault on humidity signal |
| P0112 | Boost temperature sensor F804 – ECU pin A43 signal voltage too low |
| P0113 | Intake air temperature sensor (F804) – ECU pin A43 signal voltage too high |
| P1400 | EGR – Estimated EGR rate too high |
| P1405 | EGR pressure sensor – Voltage too low |
| P1406 | EGR pressure sensor – Voltage too high |
| P1409 | Boost pressure – Boost pressure too high during EGR operation |
| P140B | EGR temperature sensor (F749) – Rate of change fault |
| P140C | Crankcase ventilation inlet temperature sensor – ECU pin C13 signal voltage too low |
| P140D | Crankcase ventilation inlet temperature sensor – ECU pin C13 signal voltage too high |
| P140F | EGR differential pressure – Pressure unlikely (positive) |
| P141C | Crankcase ventilation inlet temperature sensor – ECU pin C18 signal voltage too low |
| Error Code | Failure Detail |
|---|---|
| P141D | Crankcase ventilation inlet temperature sensor – ECU pin C18 signal voltage too high |
| P145D | EGR cooler bypass valve actuator – ECU pin C70 short circuit to supply |
| P1489 | EGR valve sensor (L033) – EGR valve stuck closed |
| P1457 | EGR temperature – Temperature high |
| P1458 | Cooling performance – EGR output temperature sensor differs from predicted EGR output temperature |
| P1490 | EGR valve sensor (L033) – EGR valve stuck open |
| P1493 | EGR valve sensor (L033) – Initialization |
| P1494 | EGR valve sensor (L033) – EGR position sensor too high or too low |
| P1495 | Engine protection system – EGR failure detected, causing fuel derate |
| P1496 | EGR – EGR disabled |
| P1501 | Vehicle speed sensor – ECU pin B40 open circuit |
| P1502 | Vehicle speed pulse detection – PWM signal invalid |
| P1503 | Vehicle speed sensor – Short circuit to supply on ECU pin B40 |
| P1504 | Vehicle speed pulse detection – PWM signal invalid |
| P1506 | Vehicle speed increase – Signal unlikely |
| P1508 | Aftertreatment – Misuse mode – Check engine light requested by EAS-3 via CAN message |
| P150F | Oil level – Startup level low |
| P1510 | Aftertreatment – Misuse mode – Red warning indication requested |
| P151A | Aftertreatment – Misuse mode – Level 1 |
| P151B | Aftertreatment – Misuse mode – Level 2 |
| P151C | Aftertreatment – Misuse mode – Level 3 |
| P151D | Aftertreatment – Misuse mode – Level 4 |
| P151E | Aftertreatment – Misuse mode – Level 4 extended |
| P1524 | Engine oil pressure sensor (F810) – the oil pressure is low |
| P1526 | CAN communication – Fan request speed (CM1) – Signal incorrect |
| P1529 | Crankcase ventilation separator – Rotational speed too low |
| P153A | Crankcase ventilation hoses – disconnection detected |
| P153B | Crankcase ventilation speed sensor – crankcase ventilation rotor underspeed or sensor fault |
| P153C | Crankcase ventilation speed sensor – crankcase ventilation rotor overspeed or sensor fault |
| P1556 | Coolant level sensor – Level unlikely |
| P1558 | Coolant level sensor – ECU pin C07 signal voltage too low |
| P1559 | Coolant level sensor – ECU pin C07 signal voltage too high |
| P1560 | Coolant level – Level low |
| P1563 | Power supply – Voltage too low |
| P1580 | Turbo speed sensor (F683) – Turbo speed malfunction low |
| P1581 | Turbo speed sensor (F683) – High turbo speed malfunction |
| P0115 | Coolant temperature sensor (F566) – Temperature high |
| P0116 | Coolant temperature sensor (F566) – Rate of change fault |
| P0117 | Coolant temperature sensor (F566) – ECU pin C79 signal voltage too low |
| P0118 | Coolant temperature sensor (F566) – ECU pin C79 signal voltage too high |
| P011A | Coolant pump speed – stalled coolant pump detected |
| P0121 | Accelerator pedal sensor – Sticking pedal |
| P0122 | Accelerator pedal sensor – Short circuit to ground on ECU pin B49 |
| P0123 | Accelerator pedal sensor – Short circuit to supply on ECU pin B49 |
| P0127 | Air temperature after intercooler sensor (F750) – The air temperature is too high |
| P0128 | Coolant temperature sensor (F566) – temperature unlikely |
| P0130 | Lambda sensor (F834) – Age learning fault |
| Error Code | Failure Detail |
|---|---|
| P0135 | Lambda sensor (F834) – Open circuit on ECU pin C46 |
| P0168 | Fuel temperature – too high |
| P0180 | Fuel temperature sensor (F803) – Fuel temperature is out of range at ignition key on |
| P0182 | Fuel temperature sensor (F803) – ECU pin A42 signal voltage too low |
| P0183 | Fuel temperature sensor (F803) – ECU pin A42 signal voltage too high |
| P018C | Engine fuel filter differential pressure – Voltage too low on pin A49 of the ECU |
| P018D | Engine fuel filter differential pressure – Voltage too high on pin A49 of the ECU |
| P0197 | Oil temperature sensor (F808) – ECU pin C16 signal voltage too low |
| P0198 | Oil temperature sensor (F808) – ECU pin C16 signal voltage too high |
| P0301 | Crank speed injection diagnostics – Major decrease in combustion in cylinder 1 relative to the other cylinders. (Misfire) |
| P0302 | Crank speed injection diagnostics – Major decrease in combustion in cylinder 2 relative to the other cylinders. (Misfire) |
| P0303 | Crank speed injection diagnostics – Major decrease in combustion in cylinder 3 relative to the other cylinders. (Misfire) |
| P0304 | Crank speed injection diagnostics – Major decrease in combustion in cylinder 4 relative to the other cylinders. (Misfire) |
| P0305 | Crank speed injection diagnostics – Major decrease in combustion in cylinder 5 relative to the other cylinders. (Misfire) |
| P0306 | Crank speed injection diagnostics – Major decrease in combustion in cylinder 6 relative to the other cylinders. (Misfire) |
| P0315 | Cylinder combustion – Incorrect learning of flywheel pattern |
| P0335 | Crankshaft sensor (F552) – signal not present or unlikely |
| P0336 | Crankshaft sensor (F552) – Signal disturbed |
| P0340 | Camshaft sensor (F558) – signal not present or unlikely |
| P0341 | Camshaft sensor (F558) – high-frequency corruption during normal running |
| P0403 | EGR valve sensor (L033) – Battery supply voltage too high or too low to operate EGR |
| P0404 | EGR valve-sensor (L033) – EGR position control abnormality |
| P0405 | EGR valve sensor (L033) – ECU pin C05 signal voltage too low |
| P0406 | EGR valve sensor (L033) – ECU pin C05 signal voltage too high |
| P0407 | EGR differential pressure sensor (F751) – The voltage on pin C80 of the ECU is too low |
| P0408 | EGR differential pressure sensor (F751) – The voltage on pin C80 of the ECU is too high |
| P040B | EGR temperature sensor (F749) – Power up temperature not valid |
| P040C | EGR temperature sensor (F749) – ECU pin C09 signal voltage too low |
| P040D | EGR temperature sensor (F749) – ECU pin C09 signal voltage too high |
| P040F | EGR differential pressure sensor (F751) – the pressure is unlikely (negative) |
| P0420 | CAN communication – Aftertreatment system, catalyst conversion efficiency (SCR1) – Signal incorrect |
| P0460 | CAN communication – Fuel tank level (DD) – Signal incorrect |
| P0471 | Before turbine pressure sensor (F826) – Pressure out of range at ignition key on |
| P0472 | Before turbine pressure sensor (F826) – ECU pin C83 signal voltage too low |
| P0473 | Before turbine pressure sensor (F826) – ECU pin C83 signal voltage too high |
| P047C | Pressure after BPV sensor (F823) – ECU pin C81 signal voltage too low |
| P047D | Pressure after BPV sensor (F823) – ECU pin C81 signal voltage too high |
| P0480 | Fan clutch – Open circuit on pin C74 of the ECU PMCI-2 |
| P0486 | EGR differential pressure sensor (F751) – Pressure out of range at ignition key on |
| P0488 | EGR valve sensor (L033) – EGR valve leakage warning |
| P0489 | EGR valve sensor (L033) – Short circuit to ground on ECU pin C05 |
| P0490 | EGR valve sensor (L033) – Supply voltage too high on ECU pin C05 |
| P0500 | Vehicle speed sensor – invalid |
| Error Code | Failure Detail |
|---|---|
| P0501 | Vehicle speed sensor – signal unlikely |
| P0502 | Vehicle speed sensor – Short circuit to ground on ECU pin B40 |
| P0503 | Vehicle speed sensor – Out of range |
| P0513 | Immobilizer communication failure – injection blocked |
| P0522 | Engine oil pressure sensor (F810) – ECU pin C84 signal voltage too low |
| P0523 | Engine oil pressure sensor (F810) – ECU pin C84 signal voltage too high |
| P0524 | Engine lubrication system – oil pressure is too low |
| P0527 | Fan clutch – Voltage on pin C08 is too high |
| P0528 | Fan clutch – Voltage on pin C08 is too low |
| P0541 | Ether start valve – Short circuit to ground on pin C04 of the ECU |
| P0542 | Ether start valve – Short circuit to supply on pin C04 of the ECU |
| P0543 | Ether start valve – Open circuit on pin C04 of the ECU |
| P0545 | Temperature after BPV sensor (F853) – ECU pin C11 signal voltage too low |
| P0546 | Temperature after BPV sensor (F853) – ECU pin C11 signal voltage too high |
| P0562 | Power supply – ECU pin B60, ECU pin B61, ECU pin B62 voltage too low |
| P0563 | Power supply – ECU pin B60, ECU pin B61, ECU pin B62 voltage too high |
| P0567 | CAN communication – Cruise control resume switch (CCVS) – Signal incorrect |
| P0568 | CAN communication – Cruise control set speed switch (CCVS) – Signal incorrect |
| P0571 | CAN communication – Brake switch (CCVS) – Signal incorrect |
| P0603 | ECU (D365) – Internal error 13 |
| P060A | ECU (D365) – Internal error 2 |
| P060C | ECU (D365) – Safety check unsuccessful |
| P0611 | ECU (D365) – Internal error 6 |
| P062B | 50-V supply (D365) – Reference over range |
| P062D | 50-V supply (D365) – Reference under range |
| P0640 | Ether start valve – Short circuit across pin C04 and pin C26 of the ECU |
| P0650 | MIL warning indication – Open circuit on pin B23 of the ECU |
| P0652 | Accelerator pedal power supply – ECU pin B38 signal voltage too low |
| P0653 | Accelerator pedal power supply – ECU pin B38 signal voltage too high |
| P0666 | Internal ECU temperature sensor (D365) – Temperature out of range at ignition key on |
| P0668 | Internal ECU temperature sensor (D365) – Reference over range |
| P0669 | Internal ECU temperature sensor (D365) – Reference over range |
| P0685 | Main relay – Main supply interrupted |
| P0691 | Fan clutch – Short circuit to ground on pin C74 of the ECU |
| P0692 | Fan clutch – Short circuit to supply on pin C74 of the ECU |
| P0698 | Boost pressure sensor (F802) – The voltage on pin A51 of the ECU is too low |
| P0699 | Boost pressure sensor F802 – ECU pin A51 supply voltage too high |
| P0703 | CAN communication – Brake switch (EBC1) – Signal incorrect |
| P081C | CAN communication – Park brake switch (CCVS) – Signal incorrect |
| P0830 | Clutch switch – Clutch switch signal unlikely |
| P0833 | CAN communication – Clutch switch (CCVS) – Signal incorrect |
| P0865 | CAN communication – Message rate from transmission too low |
| P0866 | CAN communication – Message rate from transmission too high |
| P0A1F | Power supply – Battery voltage level warning |
| P1027 | BPV actuator (L020) – Power supply |
| P1028 | BPV actuator (L020) – Initialization |
| P1029 | Sensor, position BPV (F811) – Position sensor |
| P1037 | After turbine pressure sensor – ECU pin C82 signal voltage too low |
| P1038 | After turbine pressure sensor – ECU pin C82 signal voltage too high |
| P1041 | After turbine pressure sensor – Pressure out of range at ignition switch on |
| P104E | Rotary speed actuator (L037) – Controller out of range |
| P104F | Rotary speed actuator (L037) – Controller out of range |
| P1087 | Fuel pressure system – the fuel pressure is low |
| P1096 | After compressor temperature – Rate of change fault |
| P1105 | Engine protection system – Approaching shutdown state |
| P1106 | Engine protection system – Derated performance state |
| P1110 | Intercooler – Cooling efficiency incorrect |
| Error Code | Failure Detail |
|---|---|
| P1111 | Boost temperature sensor (F804) – Rate of change fault |
| P1115 | Coolant temperature sensor (F566) – Temperature high |
| P1127 | Air temperature after intercooler sensor (F750) – The air temperature is high |
| P1133 | Sensor lambda (F834) – Short circuit to supply on ECU pin C46 |
| P1134 | Lambda sensor (F834) – Short circuit to ground on ECU pin C46 |
| P1135 | Lambda sensor (F834) – Short circuit to supply on ECU pin C46 |
| P1136 | Lambda sensor (F834) – Short circuit to ground on ECU pin C46 |
| P1137 | Lambda sensor (F834) – Battery supply voltage fault |
| P1138 | Lambda sensor (F834) – ECU pin C46 signal voltage too low |
| P1139 | Lambda sensor (F834) – Calibration fault |
| P113A | Lambda sensor (F834) – Control fault |
| P113B | Lambda sensor (F834) – Calibration fault |
| P1158 | Wheel speed, front axle, left – out of range |
| P1159 | Wheel speed, front axle, right – out of range |
| P1160 | Wheel speed, rear axle, left – out of range |
| P1161 | Wheel speed, rear axle, right – out of range |
| P1167 | Fuel temperature – Notice |
| P1168 | Fuel temperature – High |
| P1180 | Fuel temperature – fuel temperature is high |
| P1191 | Fuel filter – Fuel filter is clogged |
| P1194 | Fuel filter – Fuel filter is significantly clogged |
| P1225 | Injector cylinder 1 B421, cylinder 2 B422, or cylinder 3 B423 – short circuit to ground on ECU pin A02, ECU pin A10, or ECU pin A06 |
| P1226 | Injector cylinder 1 B421, cylinder 2 B422, or cylinder 3 B423 – short circuit to supply on ECU pin A02, ECU pin A10, or ECU pin A06 |
| P1227 | Injector cylinder 4 B424, cylinder 5 B425, or cylinder 6 B426 – short circuit to ground on ECU pin A11, ECU pin A03, or ECU pin A07 |
| P1228 | Injector cylinder 4 B424, cylinder 5 B425, or cylinder 6 B426 – short circuit to supply on ECU pin A11, ECU pin A03, or ECU pin A07 |
| P1230 | Cylinder 1 pump unit (B131) – short circuit across ECU pin A25 and ECU pin A26 |
| P1234 | Cylinder 5 pump unit (B135) – short circuit across ECU pin A28 and ECU pin A27 |
| P1235 | Turbo speed sensor (F683) – Unlikely turbo speed |
| P1238 | Cylinder 3 pump unit (B133) – short circuit across ECU pin A30 and ECU pin A29 |
| P1242 | Cylinder 6 pump unit (B136) – short circuit across ECU pin A32 and ECU pin A31 |
| P1246 | Cylinder 2 pump unit (B132) – short circuit across ECU pin A34 and ECU pin A33 |
| P1250 | Cylinder 4 pump unit (B134) – short circuit across ECU pin A35 and ECU pin A36 |
| P1261 | Cylinder 1 injector (B421) – open circuit on ECU pin A01 and / or ECU pin A02 |
| P1262 | Cylinder 1 injector (B421) – short circuit across ECU pin A01 and ECU pin A02 |
| P1263 | Cylinder 1 combustion – Torque contribution is too high |
| P1264 | Cylinder 5 injector (B425) – open circuit on ECU pin A04 and / or ECU pin A03 |
| P1265 | Cylinder 5 injector (B425) – short circuit across ECU pin A04 and ECU pin A03 |
| P1266 | Cylinder 2 combustion – Torque contribution is too high |
| P1267 | Cylinder 3 injector (B423) – open circuit on ECU pin A05 and / or ECU pin A06 |
| P1268 | Cylinder 3 injector (B423) – short circuit across ECU pin A05 and ECU pin A06 |
| P1269 | Cylinder 3 combustion – Torque contribution is too high |
| P1270 | Cylinder 6 injector (B426) – open circuit on ECU pin A08 and / or ECU pin A07 |
| Error Code | Failure Detail |
|---|---|
| P1271 | Cylinder 6 injector (B426) – short circuit across ECU pin A08 and ECU pin A07 |
| P1272 | Cylinder 4 combustion – Torque contribution is too high |
| P1273 | Cylinder 2 injector (B422) – open circuit on ECU pin A09 and / or ECU pin A10 |
| P1274 | Cylinder 2 injector (B422) – short circuit across ECU pin A09 and ECU pin A10 |
| P1275 | Cylinder 5 combustion – Torque contribution is too high |
| P1276 | Cylinder 4 injector (B424) – open circuit on ECU pin A12 and / or ECU pin A11 |
| P1277 | Cylinder 4 injector (B424) – short circuit across ECU pin A12 and ECU pin A11 |
| P1278 | Cylinder 6 combustion – Torque contribution is too high |
| P1298 | Oil temperature – Oil temperature high |
| P1300 | Crank speed injection diagnostics – At least one fault is active on any of the cylinders |
| P1335 | Crankshaft sensor (F552) – no signal from crankshaft |
| P1336 | Crankshaft sensor (F552) – Signal disturbed |
| P1340 | Camshaft sensor (F558) – no signal from camshaft |
| P1341 | Camshaft sensor (F558) – signal distorted |
| P1350 | Rotary speed actuator (L037) – Maximum limit at low temperature not reached |
| P1351 | Rotary speed actuator (L037) – Maximum limit not reached |
| P1352 | Rotary speed actuator (L037) – Not reached requested position |
| P1353 | Rotary speed actuator (L037) – Supply voltage too high |
| P1354 | Rotary speed actuator (L037) – Supply voltage too low |
| P1356 | Rotary speed actuator (L037) – Temperature too high |
| P1357 | Rotary speed actuator (L037) – Actuator status invalid |
| P1358 | Rotary speed actuator (L037) – Actuator data unreliable |
| P1359 | Rotary speed actuator (L037) – Fault detected during learning |
| P1360 | CAN communication – Aftertreatment system, after DPF pressure (AT1GP) – Signal incorrect |
| P1601 | ECU (D365) – Internal error 3 |
| P1602 | ECU (D365) – Internal error – Application not present |
| P160A | ECU (D365) – Internal error 5 |
| P1642 | 14-V sensor supply (D365) – Reference under range |
| P1643 | 14-V sensor supply (D365) – Reference over range |
| P1644 | 5-V sensor supply (D365) – Reference over range |
| P1645 | 5-V sensor supply (D365) – Reference under range |
| P1650 | Red warning indication – ECU pin B08 open circuit |
| P1651 | Red warning indication – Short circuit to ground on ECU pin B08 |
| P1652 | Red warning indication – Short circuit to supply on ECU pin B08 |
| P1653 | Check engine light – Open circuit on pin B04 of the ECU |
| P1655 | Check engine light – Short circuit to pin B04 of the ECU |
| P1658 | ECU (D365) – Internal error 4 |
| P1674 | ECU (D365) – Internal error 7 |
| P1675 | ECU (D365) – Internal error 8 |
| P1676 | ECU (D365) – Internal error 9 |
| P1677 | ECU (D365) – Internal error 10 |
| P1678 | ECU (D365) – Internal error 11 |
| P1679 | ECU (D365) – Internal error 1 |
| P1681 | ECU (D365) – Internal error 12 |
| P1682 | Oil level sensor – Open circuit on ECU pin B35 |
| P1683 | Oil level sensor – Short circuit to supply on ECU pin B35 |
| P1684 | Oil level sensor – Short circuit to ground on ECU pin B35 |
| P1686 | Starter motor – Open circuit on pin B16 of the ECU |
| P1687 | Starter motor – Short circuit to supply on pin B16 of the ECU |
| P1688 | Starter motor – Short circuit to ground on pin B16 of the ECU |
| P1693 | Ether fluid control – Short circuit to supply on pin C04 of the ECU |
| Error Code | Failure Detail |
|---|---|
| P1694 | Ether fluid control – Short circuit to ground on pin C04 of the ECU |
| P1695 | VTG – Cannot achieve commanded boost pressure setpoint during engine braking |
| P1696 | VTG – Cannot achieve commanded boost pressure setpoint during engine braking |
| P1704 | Lambda sensor (F834) – Signal invalid during overrun |
| P1705 | Lambda sensor (F834) – Signal dynamic too low |
| P1706 | Lambda sensor (F834) – Signal dynamic too high |
| P1707 | Lambda sensor (F834) – Signal too high compared to engine out |
| P1708 | Lambda sensor (F834) – Signal too low compared to engine out NOx sensor signal |
| P1709 | Lambda sensor (F834) – Signal invalid during overrun |
| P170A | Lambda sensor (F834) – Sensor signal too low |
| P170B | Lambda sensor (F834) – Sensor signal too high |
| P170C | NOx sensor before catalyst (F844) – Signal invalid during overrun |
| P170D | NOx sensor before catalyst (F844) – Signal dynamic too low |
| P170E | NOx before catalyst sensor (F844) – Signal dynamic too high |
| P170F | NOx sensor before catalyst (F844) – Signal invalid during overrun |
| P1710 | NOx before catalyst plausibility – Signal value lower than expected |
| P1711 | NOx before catalyst plausibility – Signal value higher than expected |
| P1712 | NOx before catalyst plausibility – Signal value is much lower than expected |
| P1713 | NOx before catalyst plausibility – Signal value much higher than expected |
| P1715 | Pressure after BPV sensor (F823) – Wrong value compared to reference value |
| P1717 | Temperature after BPV sensor (F853) – Actual temperature after BPV differs from the reference before DOC temperature (F838) |
| P1718 | EGR control system – EGR controller offset |
| P1719 | EGR control system – EGR controller offset |
| P171A | EGR control system – EGR controller has reached limit |
| P171B | EGR control system – EGR control system reacts too slowly |
| P171C | EGR control system – EGR control system reacts too slowly |
| P171D | Before turbine temperature (predicted) – Out of range |
| P171E | EGR control system – VTG control has positive offset |
| P171F | EGR control system – VTG control has negative offset |
| P1720 | Turbo control – Controller reaches limit |
| P1722 | BPV actuator (L020) – Cannot achieve commanded position |
| P1723 | Air Management Control – before turbine pressure controller has positive offset |
| P1724 | Air Management Control – before turbine pressure controller has negative offset |
| P1725 | Air management control – Before turbine pressure controller |
| P1726 | Air management control – Before turbine pressure controller reacts too slowly |
| P1727 | Rotary speed actuator (L037) – Position control error |
| P1729 | Stationary regeneration – Time-out fault |
| P1751 | MIL warning indication – ECU pin B23 short circuit to supply |
| P1863 | CAN communication – maneuvering mode data out of range |
| P1961 | Cylinder 1 injector (B421) – short circuit to ground on ECU pin A01 |
| P1962 | Cylinder 1 injector (B421) – short circuit to supply on ECU pin A01 |
| P1964 | Cylinder 5 injector (B425) – short circuit to ground on ECU pin A04 |
| P1965 | Cylinder 5 injector (B425) – short circuit to supply on ECU pin A04 |
| P1967 | Cylinder 3 injector (B423) – short circuit to ground on ECU pin A05 |
| P1968 | Cylinder 3 injector (B423) – short circuit to supply on ECU pin A05 |
| P1970 | Cylinder 6 injector (B426) – short circuit to ground on ECU pin A08 |
| P1971 | Cylinder 6 injector (B426) – short circuit to supply on ECU pin A08 |
| P1973 | Cylinder 2 injector (B422) – short circuit to ground on ECU pin A09 |
| P1974 | Cylinder 2 injector (B422) – short circuit to supply on ECU pin A09 |
| P2080 | Temperature after BPV sensor (F853) – Air temperature after turbine out of range at the time of ignition |
| Error Code | Failure Detail |
|---|---|
| P2104 | Engine protection system – Warning state |
| P2105 | Warning lamp – Approaching shutdown state |
| P2106 | Accelerator pedal sensor – Limp-home active |
| P2135 | Accelerator pedal sensor – ECU pin B49 and ECU pin B45 sensor out of range relative to idle valid switch |
| P2147 | Pump unit, cylinder 1 B131, cylinder 2 B132, or cylinder 3 B133 – short circuit to ground on ECU pin A26, ECU pin A34, or ECU pin A30 |
| P2148 | Pump unit, cylinder 1 B131, cylinder 2 B132 or cylinder 3 B133 – short circuit to supply on ECU pin A26, ECU pin A34, or ECU pin A30 |
| P2150 | Pump unit, cylinder 4 B134, cylinder 5 B135, or cylinder 6 B136 – short circuit to ground on ECU pin A35, ECU pin A27, or ECU pin A31 |
| P2151 | Pump unit, cylinder 4 B134, cylinder 5 B135, or cylinder 6 B136 – short circuit to supply on ECU pin A35, ECU pin A27, or ECU pin A31 |
| P2169 | BPV actuator (L020) – open circuit |
| P2170 | BPV actuator (L020) – short circuit to ground |
| P2171 | BPV actuator (L020) – short circuit to supply |
| P2181 | Engine cooling system – Engine coolant temperature does not match conditions |
| P2183 | Coolant temperature sensor (F566) – Temperature unlikely |
| P2184 | Coolant temperature sensor 2 – ECU pin C19 signal voltage too low |
| P2185 | Coolant temperature sensor 2 – ECU pin C19 signal voltage too high |
| P2199 | Humidity sensor (F852) – Air temperature before compressor out of range at ignition key on |
| P2226 | Ambient pressure sensor in ECU PMCI-2 (D365) – Ambient air pressure out of range at the time of ignition |
| P2227 | Ambient pressure sensor in ECU PMCI-2 (D365) – Rate of change fault |
| P2228 | Ambient pressure sensor in ECU PMCI-2 (D365) – Pressure too low |
| P2229 | Ambient pressure sensor in PMCI-2 ECU (D365) – pressure too high |
| P2237 | Lambda sensor (F834) – Open circuit on ECU pin C45 |
| P2238 | Lambda sensor (F834) – ECU pin C45 signal too low |
| P2239 | Lambda sensor (F834) – ECU pin C45 signal too high |
| P2264 | Water in fuel sensor – Water in fuel detected |
| P2266 | Water in fuel sensor – ECU pin B27 signal voltage too low |
| P2275 | Water in fuel sensor – ECU pin A52 signal voltage too high |
| P2425 | EGR valve sensor (L033) – Open circuit on ECU pin C05 |
| P242B | CAN communication – Aftertreatment system, After DPF temperature (AT1OG2) – Signal incorrect |
| P2457 | EGR temperature – temperature too high |
| P2458 | CAN communication – Manual regeneration force switch (CM1) – Signal incorrect |
| P2459 | CAN communication – Manual regeneration inhibit switch (CM1) – Signal incorrect |
| P245A | EGR cooler bypass valve actuator – open circuit on pin C70 of the ECU |
| P250A | Oil level – level low |
| P250B | Oil level – start-up is unlikely |
| P250C | Oil level sensor – ECU pin B35 out of range, too low |
| P250E | Oil level – level tends to be low |
| P250F | Oil level – level too low |
| P252F | Oil level – level high |
| P253B | CAN communication – PTO set switch (PTO) – Signal incorrect |
| P2541 | Fuel pressure sensor (F801) – ECU pin A50 signal voltage too low |
| P2542 | Fuel pressure sensor (F801) – ECU pin A50 signal voltage too high |
| P2544 | CAN communication – Engine brake switch (VIC Proprietary B) – Signal incorrect |
| P2558 | Coolant level sensor – ECU pin C07 signal voltage too low |
| P2559 | Coolant level sensor – ECU pin C07 signal voltage too high |
| P2560 | Coolant level – Level too low |
| P2562 | Rotary speed actuator (L037) – Position sensor |
| Error Code | Failure Detail |
|---|---|
| P2563 | Rotary speed actuator (L037) – Position control abnormality |
| P2579 | Turbo speed sensor (F683) – Turbo speed irrational fault |
| P2580 | Turbo speed sensor (F683) – ECU pin C87 signal voltage too low |
| P2581 | Turbo speed sensor (F683) – ECU pin C87 signal voltage too high |
| P2602 | Coolant pump speed sensor (F805) – speed under range |
| P2603 | Coolant pump speed sensor (F805) – speed over range |
| P2609 | Ether start valve – Open circuit on pin C04 and / or pin C26 of the ECU |
| P3003 | Power supply – Supply voltage low |
| P30B3 | CAN communication – Aftertreatment – Message rate from EAS-3 too low |
| P3405 | MX engine brake cylinder 1 (B411) – open circuit on ECU pin A17 |
| P3407 | MX engine brake cylinder 1 (B411) – short circuit to ground on ECU pin A17 |
| P3408 | MX engine brake cylinder 1 (B411) – short circuit to supply on ECU pin A17 |
| P3413 | MX engine brake cylinder 5 (B415) – ECU pin A13 open circuit |
| P3415 | MX engine brake cylinder 5 (B415) – short circuit to ground on ECU pin A13 |
| P3416 | MX engine brake cylinder 5 (B415) – short circuit to supply on ECU pin A13 |
| P3421 | MX engine brake cylinder 3 (B413) – ECU pin A24 open circuit |
| P3423 | MX engine brake cylinder 3 (B413) – short circuit to ground on ECU pin A24 |
| P3424 | MX engine brake cylinder 3 (B413) – short circuit to supply on ECU pin A24 |
| P3429 | MX engine brake cylinder 6 (B416) – ECU pin A20 open circuit |
| P3431 | MX engine brake cylinder 6 (B416) – short circuit to ground on ECU pin A20 |
| P3432 | MX engine brake cylinder 6 (B416) – short circuit to supply on ECU pin A20 |
| P3437 | MX engine brake cylinder 2 (B412) – ECU pin A16 open circuit |
| P3439 | MX engine brake cylinder 2 (B412) – short circuit to ground on ECU pin A16 |
| P3440 | MX engine brake cylinder 2 (B412) – short circuit to supply on ECU pin A16 |
| P3445 | MX engine brake cylinder 4 (B414) – ECU pin A21 open circuit |
| P3447 | MX engine brake cylinder 4 (B414) – short circuit to ground on ECU pin A21 |
| P3448 | MX engine brake cylinder 4 (B414) – short circuit to supply on ECU pin A21 |
| P3750 | Exhaust temperature before DOC sensor (F838) – ECU pin B17, voltage too high |
| P3751 | Exhaust temperature before DOC sensor (F838) – ECU pin B17, voltage too low |
| P3752 | Exhaust temperature before DOC sensor (F838) – ECU pin B17, signal unlikely |
| P3753 | Exhaust temperature before DPF Sensor (F839) – ECU pin B18, voltage too high |
| P3754 | Exhaust temperature before DPF sensor (F839) – ECU pin B18, voltage too low |
| P3755 | Exhaust temperature before DPF sensor (F839) – ECU pin B18, signal unlikely at key on |
| P3756 | Exhaust temperature before DPF sensor (F839) – ECU pin B18, signal unlikely |
| P3757 | DPF pressure sensor (F837) – ECU pin A70, voltage too high |
| P3758 | DPF pressure sensor (F837) – ECU pin A70, voltage too low |
| P3759 | DPF pressure sensor (F837) – ECU pin A70, signal unlikely at key on |
| P3760 | DPF pressure sensor (F837) – ECU pin A70, signal unlikely |
| P3761 | DPF pressure sensor (F837) – ECU pin B45, voltage too high |
| P3762 | DPF pressure sensor (F837) – ECU pin B45, voltage too low |
| P3763 | DPF pressure sensor (F837) – ECU pin B45, signal unlikely at key on |
| P3764 | DPF pressure sensor (F837) – ECU pin B45, signal unlikely |
| P3765 | DPF pressure sensor (F837) – Outlet pressure too high, moderately severe level |
| P3766 | Diesel oxidation catalyst (DOC) – HC conversion efficiency low |
| P3767 | Diesel Oxidation Catalyst (DOC) – temperature rise not sufficient |
| P3770 | Diesel Oxidation Catalyst (DOC) – Not detected |
| P3771 | Exhaust temperature before DPF sensor (F839) – Temperature too high, least severe level |
| P3772 | Exhaust temperature before DPF sensor (F839) – Temperature too high, most severe level |
| P3773 | Exhaust temperature before DOC sensor (F838) – Temperature too high, moderately severe level (during nonregeneration) |
| P3774 | Exhaust temperature before DPF sensor (F839) – Temperature too high during nonregeneration |
| Error Code | Failure Detail |
|---|---|
| P3775 | Diesel oxidation catalyst (DOC) – Unexpected temperature rise during nonregeneration detected |
| P3776 | Diesel oxidation catalyst (DOC) – Compensation level too high |
| P3777 | Dosing module, fuel (L073) – Doser degraded |
| P3778 | Dosing module, fuel (L073) – Doser degraded |
| P3779 | Diesel particulate filter (DPF) – Filter efficiency too low |
| P3780 | Exhaust temperature after DPF sensor (F840) – Temperature too high, most severe level |
| P3781 | Diesel particulate filter (DPF) – Not detected |
| P3782 | Diesel particulate filter (DPF) – Too frequent regeneration |
| P3783 | Exhaust temperature after DPF sensor (F840) – Temperature too high, least severe level |
| P3784 | Exhaust temperature after DPF sensor (F840) – Temperature too high, moderately severe level (during nonregeneration) |
| P3785 | Diesel particulate filter (DPF) – Differential pressure too high |
| P3786 | Exhaust temperature after DPF sensor (F840) – Temperature too high, moderately severe level |
| P3787 | DPF pressure sensor (F837) – Soot level severe (4) |
| P3788 | DPF pressure sensor (F837) – Particulate level low (1) or medium (2) |
| P3789 | DPF pressure sensor (F837) – Soot level high (3) |
| P3790 | DPF pressure sensor (F837) – Pressure line disconnected |
| P3791 | Diesel particulate filter (DPF) – Regeneration completed but insufficient |
| P3792 | Inhibit switch – Used in soot level 1 or higher |
| P3793 | Diesel particulate filter (DPF) – Filter severely damaged |
| P3794 | Diesel particulate filter (DPF) – Filter replaced with muffler |
| P3795 | Diesel particulate filter (DPF) – Stationary regeneration completed but insufficient |
| P3796 | Exhaust temperature before SCR catalyst sensor (F841) – ECU pin A21, voltage too high |
| P3797 | Exhaust temperature before SCR catalyst sensor (F841) – ECU pin A21, voltage too low |
| P3798 | Exhaust temperature before SCR catalyst sensor (F841) – ECU pin A21, signal unlikely |
| P3799 | Exhaust temperature before SCR catalyst sensor (F841) – Signal unlikely |
| P3800 | Exhaust temperature after SCR catalyst sensor (F842) – ECU pin B31, voltage too high |
| P3801 | Exhaust temperature after SCR catalyst sensor (F842) – ECU pin B31, voltage too low |
| P3802 | Exhaust temperature after SCR catalyst sensor (F842) – ECU pin B31, signal unlikely |
| P3803 | Exhaust temperature after SCR catalyst sensor (F842) – Signal unlikely |
| P3804 | NOx after catalyst sensor (F843) – Signal value lower than expected (during motoring) |
| P3805 | NOx after catalyst sensor (F843) – Signal value higher than expected (during motoring) |
| P3806 | NOx after catalyst sensor (F843) – Sensor heating warm-up failed |
| P3807 | NOx after catalyst sensor (F843) – Power supply out of range |
| P3808 | NOx after catalyst sensor (F843) – Heater element error |
| P3809 | NOx after catalyst sensor (F843) – NOx signal error |
| P3810 | NOx after catalyst sensor (F843) – Signal value higher than expected |
| P3811 | NOx after catalyst sensor (F843) – Signal value lower than expected |
| P3812 | NOx after catalyst sensor (F843) – CAN communication error 1 |
| P3813 | NOx after catalyst sensor (F843) – Signal value higher than expected (during overrun) |
| P3814 | EAS-3 actuator ECU (D375) – CAN communication error |
| P3815 | Exhaust temperature after SCR catalyst sensor (F842) – Temperature too high, most severe level |
| P3816 | SCR catalyst – Reduction efficiency not reached |
| P3817 | Diesel exhaust fluid (DEF) – Fluid quality incorrect |
| Error Code | Failure Detail |
|---|---|
| P3818 | NOx after catalyst sensor (F843) – Sensor heating error |
| P3819 | NOx after catalyst sensor (F843) – Response rate too low |
| P3820 | DEF temperature / level sensor (F851) – DEF level low, moderately severe level |
| P3821 | DEF temperature / level sensor (F851) – DEF tank empty |
| P3822 | DEF temperature / level sensor (F851) – DEF level low, least severe level |
| P3823 | Tank heater valve (L076) – Failed to thaw DEF tank |
| P3824 | Exhaust temperature before SCR catalyst sensor (F841) – Temperature too high, moderately severe level (during nonregeneration) |
| P3825 | Exhaust temperature after SCR catalyst sensor (F842) – Temperature too high, moderately severe level (during nonregeneration) |
| P3826 | Exhaust temperature before SCR catalyst sensor (F841) – Temperature too high, most severe level (during nonregeneration) |
| P3827 | Exhaust temperature after SCR catalyst sensor (F842) – Temperature too high, most severe level (during nonregeneration) |
| P3828 | NOx before catalyst sensor (F844) – Signal value higher than expected |
| P3829 | SCR catalyst – Not detected |
| P3830 | Fuel intake module (L072) – ECU pin B07, short circuit to ground or open circuit |
| P3831 | Fuel intake module (L072) – ECU pin B07, short circuit to supply |
| P3832 | Dosing module, fuel (L073) – ECU pin A05, voltage too low |
| P3833 | Fuel intake module (L072) – Fuel pressure unlikely |
| P3834 | Fuel intake module (L072) – Fuel shutoff valve stuck in closed position |
| P3835 | Dosing module, fuel (L073) – Fuel circuit leakage |
| P3836 | Fuel intake module (L072) – Fuel supply restricted |
| P3837 | Fuel intake module (L072) – Pressure signal unlikely |
| P3838 | Fuel intake module (L072) – ECU pin A72, voltage too high |
| P3839 | Fuel intake module (L072) – ECU pin A72, voltage too low |
| P3840 | Air shutoff valve (L071) – Stuck in closed position |
| P3841 | Air shutoff valve (L071) – ECU pin A32, short circuit to ground or open circuit |
| P3842 | Air shutoff valve (L071) – ECU pin A32, short circuit to supply |
| P3843 | Pump module (L074) – Unable to prime |
| P3844 | EAS-3 actuator ECU (D375) – Internal error 1 |
| P3845 | EAS-3 actuator ECU (D375) – CAN communication error with EAS-3 ECU |
| P3846 | EAS-3 actuator ECU (D375) – CAN message from EAS-3 ECU incorrect |
| P3847 | Valve, dosing (L075) – ECU pin A12, short circuit to supply |
| P3848 | Dosing valve (L075) – ECU pin A12, short circuit to ground or open circuit |
| P3849 | Valve, dosing (L075) – ECU pin A32, short circuit to supply |
| P3850 | Valve, dosing (L075) – ECU pin A32, short circuit to ground |
| P3851 | DEF temperature / level sensor (F851) – ECU pin A59, short circuit to supply |
| P3852 | DEF temperature / level sensor (F851) – ECU pin A59, short circuit to ground |
| P3853 | DEF temperature / level sensor (F851) – ECU pin A79, short circuit to supply |
| P3854 | DEF temperature / level sensor (F851) – ECU pin A79, short circuit to ground |
| P3855 | Sensor, DEF temperature / level (F851) – Temperature signal unlikely, too high |
| P3856 | Sensor, DEF temperature / level (F851) – Temperature signal unlikely, too low |
| P3857 | Pump module (L074) – ECU pin A24, short circuit to supply |
| P3858 | Pump module (L074) – ECU pin A24, short circuit to ground |
| P3859 | Pump module (L074) – ECU pin A24, open circuit |
| P3860 | Pump module (L074) – Initialization failed |
| P3861 | Pump module (L074) – ECU pin A65, short circuit to supply |
| P3862 | Pump module (L074) – ECU pin A65, short circuit to ground |
| P3863 | Pump module (L074) – ECU pin A65, open circuit |
| Error Code | Failure Detail |
|---|---|
| P3864 | Pump module (L074) – ECU pin A17, short circuit to supply |
| P3865 | Pump module (L074) – ECU pin A17, short circuit to ground |
| P3866 | Pump module (L074) – Pressure signal unlikely, too low |
| P3867 | Pump module (L074) – Pressure signal unlikely, too high |
| P3868 | Pump module (L074) – ECU pin A03 short circuit to supply |
| P3869 | Pump module (L074) – ECU pin A03 short circuit to ground |
| P3870 | Pump module (L074) – ECU pin A03 open circuit |
| P3871 | Valve tank heater (L076) – ECU pin A85, short circuit to supply |
| P3872 | Valve tank heater (L076) – ECU pin A85, short circuit to ground |
| P3873 | Valve tank heater (L076) – ECU pin A85, open circuit |
| P3874 | Tank heater valve (L076) – Heater stuck on |
| P3875 | Heater element pressure line (L077) – ECU pin A01, short circuit to supply |
| P3876 | Heater element pressure line (L077) – ECU pin A01, short circuit to ground |
| P3877 | Heater element pressure line (L077) – ECU pin A01, open circuit |
| P3878 | Heater element in line (L079) – ECU pin A48, short circuit to supply |
| P3879 | Heater element in line (L079) – ECU pin A48, short circuit to ground |
| P3880 | Heater element in-line (L079) – ECU pin A48, open circuit |
| P3881 | Heater element return line (L078) – ECU pin A02, short circuit to supply |
| P3882 | Heater element, return line (L078) – ECU pin A02, short circuit to ground |
| P3883 | Heater element return line (L078) – ECU pin A02, open circuit |
| P3884 | Pump module (L074) – Temperature signal error 1 |
| P3885 | Pump module (L074) – Temperature signal error 2 |
| P3886 | Pump module (L074) – Temperature signal error 3 |
| P3887 | Pump module (L074) – Heater temperature signal error 1 |
| P3888 | Pump module (L074) – Heater temperature signal error 2 |
| P3889 | Pump module (L074) – Temperature signal unlikely |
| P3890 | Pump module (L074) – Temperature signal unlikely during cold start |
| P3891 | Pump module (L074) – Temperature signal not available |
| P3892 | Pump module (L074) – Heater temperature signal unlikely |
| P3893 | Pump module (L074) – Heater temperature signal unlikely during cold start |
| P3894 | Pump module (L074) – Temperature signal error 4 |
| P3895 | Pump module (L074) – Heater element error |
| P3896 | EAS-3 actuator ECU (D375) – Internal temperature signal unlikely |
| P3897 | EAS-3 actuator ECU (D375) – Temperature too high, moderately severe level |
| P3898 | EAS-3 actuator ECU (D375) – ECU pin B06 or B07 or B08 or B09, voltage too high |
| P3899 | EAS-3 actuator ECU (D375) – ECU pin B06 or B07 or B08 or B09, short circuit to ground |
| P3900 | EAS-3 actuator ECU (D375) – Internal control relay stuck |
| P3901 | Line heater relay (R026) – Switch side, short circuit to supply |
| P3902 | EAS-3 actuator ECU (D375) – ECU pin A46 or A86, short circuit to supply |
| P3903 | EAS-3 actuator ECU (D375) – ECU pin A46 or A86, short circuit to ground |
| P3904 | EAS-3 actuator ECU (D375) – Short circuit to supply tank heater valve |
| P3905 | EAS-3 actuator ECU (D375) – Short circuit to ground, tank heater valve |
| P3906 | EAS-3 actuator ECU (D375) – ECU pin A05, short circuit to supply |
| P3907 | EAS-3 actuator ECU (D375) – ECU pin A05, short circuit to ground |
| P3908 | Line heater relay (R026) – ECU pin B41 or B30, short circuit to supply |
| P3909 | Line heater relay (R026) – ECU pin B41 or B30, short circuit to ground |
| P3910 | Line heater relay (R026) – ECU pin B41 or B30, open circuit |
| P3911 | EAS-3 actuator ECU (D375) – Internal error |
| P3912 | EAS-3 actuator ECU (D375) – Internal error 2 |
| P3913 | EAS-3 actuator ECU (D375) – Internal error 3 |
| P3914 | EAS-3 actuator ECU (D375) – Internal error 4 |
| P3915 | EAS-3 actuator ECU (D375) – Incorrect software |
| P3916 | EAS-3 actuator ECU (D375) – Internal error 5 |
| P3917 | EAS-3 actuator ECU (D375) – Sensor supply voltage out of range, high |
| P3918 | EAS-3 actuator ECU (D375) – Communication error 1 |
| P3919 | EAS-3 actuator ECU (D375) – Communication error 2 |
| P3920 | EAS-3 actuator ECU (D375) – CAN communication error |
| Error Code | Failure Detail |
|---|---|
| P3921 | Dosing valve (L075) – Signal not present or unlikely |
| P3922 | Pump module (L074) – Reverting valve, stuck in closed position |
| P3923 | Pump module (L074) – Failed to build up pressure |
| P3924 | Pump module (L074) – Metering control pressure low |
| P3925 | Pump module (L074) – Metering control pressure high |
| P3926 | Pump module (L074) – Pressure too high |
| P3927 | Pump module (L074) – No pressure reduction |
| P3928 | Tank heater valve (L076) – DEF operating temperature not reached |
| P3929 | Pump module (L074) – Incomplete purge |
| P3930 | Pump module (L074) – Pressure line blocked |
| P3931 | Pump module (L074) – Pressure line restricted |
| P3932 | Pump module (L074) – Pressure stabilization failed |
| P3933 | EAS-3 actuator ECU (D375) – Communication error, power-up time-out |
| P3934 | EAS-3 actuator ECU (D375) – Communication error, conversion time-out |
| P3935 | EAS-3 actuator ECU (D375) – Internal temperature, out of range, high |
| P3936 | EAS-3 actuator ECU (D375) – Internal temperature, out of range, low |
| P3937 | EAS-3 actuator ECU (D375) – Internal temperature 1, out of range, high |
| P3938 | EAS-3 actuator ECU (D375) – Internal temperature 1, out of range, low |
| P3939 | EAS-3 actuator ECU (D375) – Internal voltage error |
| P3940 | EAS-3 actuator ECU (D375) – Internal voltage error 2 |
| P3941 | EAS-3 actuator ECU (D375) – Internal voltage error 3 |
| P3942 | EAS-3 actuator ECU (D375) – Internal voltage error 4 |
| P3943 | EAS-3 actuator ECU (D375) – Internal voltage error 5 |
| P3944 | EAS-3 actuator ECU (D375) – Internal voltage error 6 |
| P3945 | EAS-3 actuator ECU (D375) – Internal voltage error 7 |
| P3946 | EAS-3 actuator ECU (D375) – Sensor supply voltage too high |
| P3947 | EAS-3 actuator ECU (D375) – Sensor supply voltage too low |
| P3948 | EAS-3 actuator ECU (D375) – Internal error 5 |
| P3949 | EAS-3 actuator ECU (D375) – Internal error 6 |
| P3950 | EAS-3 actuator ECU (D375) – Internal error 7 |
| P3951 | EAS-3 ECU (D374) – CAN communication error |
| P3952 | NOx before catalyst sensor (F844) – Power supply too low |
| P3953 | NOx before catalyst sensor (F844) – Heater element error |
| P3954 | NOx before catalyst sensor (F844) – NOx signal error |
| P3955 | NOx before catalyst sensor (F844) – CAN communication error 1 |
| P3956 | NOx before catalyst sensor (F844) – Sensor heating error |
| P3957 | NOx before catalyst sensor (F844) – Sensor heating warm-up failure |
| P3958 | NOx before catalyst sensor (F844) – Oxygen signal error |
| P3959 | NOx before catalyst sensor (F844) – Supply voltage out of range |
| P3960 | NOx before catalyst sensor (F844) – CAN communication error 2 |
| P3961 | NOx before catalyst sensor (F844) – CAN communication error 3 |
| P3962 | NOx after catalyst sensor (F843) – CAN communication error 2 |
| P3963 | NOx after catalyst sensor (F843) – CAN communication error 3 |
| P3964 | EAS-3 ECU (D374) – Incorrect power down |
| P3965 | EAS-3 ECU (D374) – Internal error 1 |
| P3966 | Diesel oxidation catalyst (DOC) – Blocked |
| P3967 | Exhaust temperature before SCR catalyst sensor (F841) – Differential signal unlikely |
| P3968 | Pump module (L074) – Incomplete purge |
| P3969 | Tank heater valve (L076) – Heating error |
| P3970 | NOx after catalyst sensor (F843) – Power supply out of range |
| P3971 | NOx after catalyst sensor (F843) – Data incorrect in-range high |
| P3972 | NOx after catalyst sensor (F843) – Data incorrect in-range low |
| P3973 | NOx after catalyst sensor (F843) – Data erratic |
| P3974 | Diesel oxidation catalyst (DOC) – Persistent deterioration |
| P3975 | Inhibit switch – Timer-based regeneration inhibit |
| P3976 | Diesel particulate filter (DPF) – Unable to complete the timer-based regeneration |
| P3977 | SCR catalyst – Efficiency degradation |
| Error Code | Failure Detail |
|---|---|
| P3978 | Pump module (L074) – Dosing system degradation error |
| P3979 | NOx before catalyst sensor (F844) – Data erratic or data not valid |
| P3980 | Hydrocarbon storage – Level too high |
| P3981 | Hydrocarbon storage – Level too high |
| P3982 | H2O storage – Level too high |
| P3983 | NOx after catalyst sensor (F843) – Power interruption |
| P3984 | EAS-3 actuator ECU (D375) – Power supply too low |
| P3985 | Pump module L074 – Prime error |
| P3986 | NOx before catalyst sensor (F844) – Power interruption |
| U0011 | CAN communication – hardware or software problem in V-CAN |
| U0101 | CAN communication – From transmission (ETC1) – Message rate too low |
| U0103 | CAN communication – From transmission (ETC2) – Message rate too low |
| U0104 | CAN communication – From cabin EECU (CCVS1) – Message rate too low |
| U0105 | CAN communication – From aftertreatment system (DPF test run information Proprietary B) – Message rate too low |
| U0113 | CAN communication – Message rate from emission aftertreatment system too low (A-CAN) |
| U0120 | CAN communication – From transmission (ETC7) – Message rate too low |
| U0128 | CAN communication – From cabin EECU (CCVS2) – Message rate too low |
| U0129 | CAN communication – From cabin EECU (EBC1) – Message rate too low |
| U0133 | CAN communication – From vehicle stability control (VDC1) – Message rate too low |
| U0142 | CAN communication – From cabin EECU (TD) – Message rate too low |
| U0143 | CAN communication – From cabin EECU (EEC2) – Message rate too low |
| U0155 | CAN communication – From cabin EECU (XX to Engine Proprietary A) – Message rate too low |
| U0156 | CAN communication – From cabin EECU (VIC Proprietary B) – Message rate too low |
| U0157 | CAN communication – From cabin EECU (AMB) – Message rate too low |
| U0291 | CAN communication – From transmission (TCFG2) – Message rate too low |
| U0404 | CAN communication – Transmission selected gear (ETC2) – Signal incorrect |
| U0405 | CAN communication – From cabin EECU (CCVS1) – Message rate too high |
| U1001 | CAN communication – Aftertreatment system requested limp-home state (A-CAN) |
| U1004 | CAN communication – Aftertreatment – Failure with engine reaction out of range (A-CAN) |
| U1005 | CAN communication – from aftertreatment system (DPF Test run information Proprietary B) – Message rate too high |
| U1010 | CAN communication – Exhaust temperature sensor before DPF (A1DOC) – Signal incorrect |
| U1011 | CAN communication – Hardware or software problem in E-CAN |
| U1012 | CAN communication – Aftertreatment system – DPF regeneration aborted out of range |
| U1013 | CAN communication – Exhaust temperature sensor before DOC (A1DOC) – Signal incorrect |
| U1014 | CAN communication – Hardware or software problem in D-CAN |
| U1015 | CAN communication – hardware or software problem in A-CAN |
| U1016 | CAN communication – from aftertreatment system (A1DOC) – Message rate too low |
| U1017 | CAN communication – from aftertreatment system (A1DOC) – Message rate too high |
| U1046 | Rotary speed actuator (L037) – Power supply voltage monitoring |
| U1047 | Rotary speed actuator (L037) – wiping out of range |
| U1048 | Rotary speed actuator (L037) – Detects short circuit to ground / battery |
| U104B | Turbo control VTG (L037) – Internal CAN resistance defect |
| U104C | Turbo control VTG (L037) – CAN communication |
| U104D | Actuator rotary speed (L037) – Initialization |
| U1069 | CAN communication – Pressure humidity sensor (AAI) – Signal incorrect |
| U1070 | CAN communication – Temperature humidity sensor (AAI) – Signal incorrect |
| Error Code | Failure Detail |
|---|---|
| U1071 | CAN communication – Relative humidity (AAI) – Signal incorrect |
| U1072 | CAN communication – From humidity sensor (AAI) – Message rate too high |
| U1073 | CAN communication – From humidity sensor (AAI) – Message rate too low |
| U1101 | CAN communication – From transmission (ETC1) – Message rate too high |
| U1103 | CAN communication – From transmission (ETC2) – Message rate too high |
| U1104 | CAN communication – From adaptive cruise control (ACC1) – Message rate too low |
| U1105 | CAN communication – Engine stop switch (XX to Engine Proprietary A) – Signal incorrect |
| U1106 | CAN communication – Aftertreatment – Timeout fault (A-CAN) |
| U1107 | CAN communication – Aftertreatment – Busy fault (A-CAN) |
| U1110 | CAN communication – From retarder (RC1) – Message rate too low |
| U1111 | CAN communication – from aftertreatment system (SCR1) – Message rate too high |
| U1112 | CAN communication – from aftertreatment system (SCR1) – Message rate too low |
| U1113 | CAN communication – Message rate from emission aftertreatment system too high (A-CAN) |
| U1114 | CAN communication – from aftertreatment system (TI1) – Message rate too low |
| U1115 | CAN communication – from aftertreatment system (TI1) – Message rate too high |
| U1116 | CAN communication – Aftertreatment system, after catalyst NOx sensor O2 percentage (PropB_ExhaustGasCorrected) – Signal incorrect |
| U1117 | CAN communication – Aftertreatment system, after catalyst NOx sensor corrected NOx value (PropB_ExhaustGasCorrected) – Signal incorrect |
| U1118 | CAN communication – Aftertreatment system, after catalyst NOx sensor (PropB_ExhaustGasCorrected) – Signal incorrect |
| U1119 | CAN communication – From brake system (TSC1_BE) – Message rate too high |
| U111A | CAN communication – Aftertreatment system, before catalyst NOx sensor (PropB_ExhaustGasCorrected) – Signal incorrect |
| U111B | CAN communication – Aftertreatment system, before catalyst NOx sensor O2 percentage (PropB_ExhaustGasCorrected) – Signal incorrect |
| U111C | CAN communication – Aftertreatment system, before catalyst NOx sensor corrected NOx value (PropB_ExhaustGasCorrected) – Signal incorrect |
| U111D | CAN communication – from aftertreatment system (PropB_ExhaustGasCorrected) – Message rate too low |
| U111E | CAN communication – from aftertreatment system (PropB_ExhaustGasCorrected) – Message rate too high |
| U111F | CAN communication – Aftertreatment system, Operating mode request (proprietary B ACM) – Signal incorrect |
| U1120 | CAN communication – From brake system (TSC1_BE) – Message rate too low |
| U1121 | CAN communication – From transmission (TSC1_TE) – Message rate too high |
| U1122 | CAN communication – From transmission (TSC1_TE) – Message rate too low |
| U1123 | CAN communication – From cabin ECU (TSC1_VE) – Message rate too high |
| U1124 | CAN communication – From cabin ECU (TSC1_VE) – Message rate too low |
| U1125 | CAN communication – From external device (TSC1_SE) – Message rate too high |
| U1126 | CAN communication – From external device (TSC1_SE) – Message rate too low |
| U1127 | CAN communication – From brake system to engine brake (TSC1_BR) – Message rate too high |
| U1128 | CAN communication – From brake system to engine brake (TSC1_BR) – Message rate too low |
| U1129 | CAN communication – From transmission to engine brake (TSC1_TR) – Message rate too high |
| U112A | CAN communication – from aftertreatment system (proprietary B ACM) – Message rate too low |
| U112B | CAN communication – from aftertreatment system (proprietary B ACM) – Message rate too high |
| U0417 | CAN communication – From cabin ECU (CCVS2) – Message rate too high |
| U0418 | CAN communication – From cabin ECU (EBC1) – Message rate too high |
| Error Code | Failure Detail |
|---|---|
| U112C | CAN communication – Aftertreatment system, fuel consumption (AT1FC1) – Signal incorrect |
| U112D | CAN communication – from aftertreatment system (AT1FC1) – Message rate too low |
| U112E | CAN communication – from aftertreatment system (AT1FC1) – Message rate too high |
| U112F | CAN communication – Aftertreatment system, HC doser total fuel used (AT1HI) – Signal incorrect |
| U1130 | CAN communication – From transmission to engine brake (TSC1_TR) – Message rate too low |
| U1131 | CAN communication – From cabin EECU (CM1) – Message rate too high |
| U1132 | CAN communication – From cabin EECU (CM1) – Message rate too low |
| U1133 | CAN communication – From external device to engine brake (TSC1_SR) – Message rate too high |
| U1134 | CAN communication – From external device to engine brake (TSC1_SR) – Message rate too low |
| U1135 | CAN communication – From brake system (HRW) – Message rate too high |
| U1136 | CAN communication – From brake system (HRW) – Message rate too low |
| U1137 | CAN communication – From adaptive cruise control (TSC1_AE) – Message rate too high |
| U1138 | CAN communication – From adaptive cruise control (TSC1_AE) – Message rate too low |
| U1139 | CAN communication – From adaptive cruise control to engine brake (TSC1_AR) – Message rate too high |
| U113A | CAN communication – From aftertreatment system (AT1HI) – Message rate too low |
| U113B | CAN communication – From aftertreatment system (AT1HI) – Message rate too high |
| U113C | CAN communication – Aftertreatment system, DEF tank heater state (A1SCRDSI2) – Signal incorrect |
| U113D | CAN communication – from aftertreatment system (A1SCRDSI2) – Message rate too low |
| U113E | CAN communication – from aftertreatment system (A1SCRDSI2) – Message rate too high |
| U113F | CAN communication – Aftertreatment system, Sensor exhaust temperature after catalyst (A1SCREGT) – Signal incorrect |
| U1141 | CAN communication – From adaptive cruise control to engine brake (TSC1_AR) – Message rate too low |
| U1143 | CAN communication – From cabin EECU (EEC2) – Message rate too high |
| U114A | CAN communication – from aftertreatment system (A1SCREGT) – Message rate too low |
| U114B | CAN communication – from aftertreatment system (A1SCREGT) – Message rate too high |
| U114C | CAN communication – Aftertreatment system, DEF dosing quantity (A1SCRDSI1) – Signal incorrect |
| U114D | CAN communication – from aftertreatment system (A1SCRDSI1) – Message rate too low |
| U114E | CAN communication – from aftertreatment system (A1SCRDSI1) – Message rate too high |
| U1155 | CAN communication – From cabin EECU (XX to Engine Proprietary A) – Message rate too high |
| U1156 | CAN communication – From cabin EECU (VIC Proprietary B) – Message rate too high |
| U1157 | CAN communication – From cabin EECU (AMB) – Message rate too high |
| U1158 | CAN communication – From turbo (VNT to Engine Proprietary B) – Message rate too high |
| U1159 | CAN communication – From turbo (VNT to Engine Proprietary B) – Message rate too low |
| U1160 | CAN communication – Turbo actual opening angle (VNT to Engine Proprietary B) – Signal Incorrect |
| U1179 | CAN communication – Adjustable speed limiter switch (VIC Proprietary B) – Signal incorrect |
| U1180 | CAN communication – Engine estimated parasitic losses (VIC Proprietary B) – Signal incorrect |
| U1184 | CAN communication – Cruise control switch (CCVS) – Signal incorrect |
| U1188 | CAN communication – Front axle speed (EBC2) – Signal incorrect |
| U1189 | CAN communication – From retarder (ERC1) – Message rate too high |
| U1190 | CAN communication – From retarder (ERC1) – Message rate too low |
| U1192 | CAN communication – From transmission (ETC7) – Message rate too high |
| U1193 | CAN communication – From cabin ECU (DD) – Message rate too high |
| U1194 | CAN communication – From cabin ECU (DD) – Message rate too low |
| U1197 | CAN communication – From brake system (EBC2) – Message rate too high |
| U1198 | CAN communication – From brake system (EBC2) – Message rate too low |
| U1199 | CAN communication – From retarder to engine brake (TSC1_DR) – Message rate too high |
| U1200 | CAN communication – From retarder to engine brake (TSC1_DR) – Message rate too low |
| U1207 | CAN communication – From power takeoff (PTO) – Message rate too high |
| U1208 | CAN communication – From power takeoff (PTO) – Message rate too low |
| U1291 | CAN communication – From transmission (TCFG2) – Message rate too high |
| U1404 | CAN communication – Transmission current gear (ETC2) – Signal incorrect |
| U1405 | CAN communication – From adaptive cruise control (ACC1) – Message rate too high |
| U1406 | CAN communication – Mode adaptive cruise control (ACC1) – Signal incorrect |
| U1407 | CAN communication – Set speed adaptive cruise control (ACC1) – Signal incorrect |
| U1408 | CAN communication – Turbo health status (VNT to Engine Proprietary B) – Signal incorrect |
| U1409 | CAN communication – Turbo actuator state (VNT to Engine Proprietary B) – Signal incorrect |
| U142F | CAN communication – aftertreatment system, before DOC pressure (proprietary B ACM) – Signal incorrect |
| U153B | CAN communication – PTO resume switch (PTO) – Signal incorrect |
| U1544 | CAN communication – Actual retarder torque (ERC1) – Signal incorrect |
| U1545 | CAN communication – Intended retarder torque (ERC1) – Signal incorrect |
| U1546 | CAN communication – Demanded retarder torque (ERC1) – Signal incorrect |
| U1547 | CAN communication – Retarder selection (ERC1) – Signal incorrect |
| U1548 | CAN communication – Output shaft speed (ETC1) – Signal incorrect |
| U1549 | CAN communication – Torque converter lockup engaged (ETC1) – Signal incorrect |
| U1550 | CAN communication – Reference retarder torque (RC1) – Signal incorrect |
| U1551 | CAN communication – Rollover protection brake control active (VDC1) – Signal incorrect |
| U1552 | CAN communication – Rollover protection engine control active (VDC1) – Signal incorrect |
| U1553 | CAN communication – Yaw control brake control active (VDC1) – Signal incorrect |
| U1554 | CAN communication – Yaw control engine control active (VDC1) – Signal incorrect |
| U1562 | CAN communication – Aftertreatment system, turbine outlet exhaust flow, low target request (Proprietary B ACM Limits) – Signal incorrect |
| U1563 | CAN communication – Aftertreatment system, turbine outlet exhaust flow, low limit request (Proprietary B ACM Limits) – Signal incorrect |
| U1564 | CAN communication – Aftertreatment system, turbine outlet temperature, low target request (Proprietary B ACM Limits) – Signal incorrect |
| U1565 | CAN communication – Aftertreatment system, turbine outlet temperature, upper limit request (Proprietary B ACM Limits) – Signal incorrect |
| U1566 | CAN communication – from aftertreatment system (Proprietary B ACM Limits) – Message rate too low |
| Error Code | Failure Detail |
|---|---|
| U1567 | CAN communication – from aftertreatment system (Proprietary B ACM Limits) – Message rate too high |
| U1645 | CAN communication – From vehicle stability control (VDC1) – Message rate too high |
| U1700 | CAN communication – aftertreatment system, tank level value (TI1) – Signal incorrect |
| U1701 | CAN communication – Aftertreatment system, Tank temperature value (TI1) – Signal incorrect |
| U1702 | CAN communication – Aftertreatment system, tank heater value (TI1) – Signal incorrect |
| U1710 | CAN communication – from aftertreatment system (AT1IMG) – Message rate too high |
| U1711 | CAN communication – from aftertreatment system (AT1IMG) – Message rate too low |
| U1712 | CAN communication – Aftertreatment system, DPF delta pressure (AT1IMG) – Signal incorrect |
| U1715 | CAN communication – from aftertreatment system (AT1OG2) – Message rate too high |
| U1716 | CAN communication – from aftertreatment system (AT1OG2) – Message rate too low |
| U1720 | CAN communication – from emission aftertreatment system (VEP) – Message rate too high |
| U1721 | CAN communication – from emission aftertreatment system (VEP) – Message rate too low |
| U1722 | CAN communication – Aftertreatment system, power supply voltage (VEP) – Signal incorrect |
| U1725 | CAN communication – from aftertreatment system (AT1GP) – Message rate too high |
| U1726 | CAN communication – from aftertreatment system (AT1GP) – Message rate too low |
Understanding Paccar MX 13 Fault Code List
Fault codes are like your engine’s secret language, a way it communicates its health. They are diagnostic trouble codes that pinpoint issues within the engine or related systems. Paccar MX 13 has a sophisticated fault code system that provides detailed information about the problem.
Common Paccar MX 13 Fault Codes
- P0016 – Camshaft Position Sensor “A” Circuit: This code typically points to a problem with the camshaft position sensor, which monitors the position of the camshaft.
- P0299 – Turbo/Supercharger Underboost: An underboost condition can result from various factors, such as a faulty turbocharger or related components.
- P0404 – Exhaust Gas Recirculation (EGR) Circuit Range/Performance: EGR system issues may lead to reduced engine performance and increased emissions.
- P0562 – System Voltage Low: This code highlights potential issues with the vehicle’s electrical system and voltage levels.
Interpreting Fault Codes
When your Paccar MX 13 engine triggers a fault code, the first step is to read and understand it. These codes consist of alphanumeric characters and provide information about the issue’s severity and the necessary diagnostic steps.
Troubleshooting and Solutions
Depending on the fault code, you might be able to perform some DIY checks and fixes. However, for complex issues, seeking professional help is often the best route to ensure a thorough diagnosis and repair.
Regular Maintenance for Prevention
Prevention is always better than cure. Regular maintenance is key to keeping fault codes at bay. We’ll explore the importance of routine upkeep and provide tips to maintain your engine’s health.
Using Diagnostic Tools
Diagnostic tools are your best allies in decoding fault codes. We’ll delve into the types of tools available and how to choose the right one for your needs.
Avoiding Common Mistakes
While diagnosing and repairing fault codes, certain mistakes can exacerbate the issue. We’ll guide you on what pitfalls to avoid.
Staying Informed
To keep your Paccar MX 13 running smoothly, staying informed about its maintenance requirements and resources is vital. We’ll point you to valuable resources for keeping up with the latest developments.
Unlocking Efficiency: The 30 Min DPF Clean Advantage
When it comes to dealing with the complexities of fault codes in your Paccar heavy machinery, navigating this intricate world can seem overwhelming. But there’s a beacon of hope on the horizon: the 30 Min DPF Clean service. We provide unparalleled Diesel Particulate Filter (DPF) cleaning solutions across New Jersey, Philadelphia, and Delaware, making us industry leaders. If you’re curious about why you should trust us to ensure your heavy machinery runs smoothly, let’s explore the answer.
30 Min DPF Clean: Your All-in-One Solution
What truly sets 30 Min DPF Clean apart is our holistic approach to machinery maintenance. We don’t limit ourselves to DPF cleaning; our expertise extends to a wide range of services, including Exhaust Gas Recirculation (EGR), Selective Catalytic Reduction (SCR), Diesel Oxidation Catalyst (DOC), and Catalytic Converter cleaning. By harnessing cutting-edge technology, we guarantee seamless machinery operation, effectively reducing the occurrence of troublesome fault codes.
Quality Cleaning for Peak Performance
At 30 Min DPF Clean, we recognize that a clean machine is a reliable machine. That’s why we go the extra mile to eliminate ash, soot, and other residues from your diesel engines. Our exceptional DPF cleaning service ensures the optimal performance of your machinery, offering you peace of mind while keeping those fault codes at bay.
Competitive Prices, Exceptional Service
In the grand scheme of things, 30 Min DPF Clean provides top-tier service without straining your budget. Our competitive pricing model, combined with outstanding DPF cleaning services, makes us the ideal choice for those seeking to extend the lifespan of their Paccar machinery. So, when your equipment starts communicating through fault codes, consider reaching out to 30 Min DPF Clean. Our skilled technicians excel at addressing various issues, helping you decipher the Paccar Fault Codes List and swiftly restoring your machinery to its prime condition. Remember, in machinery maintenance, it’s not just about fixing problems—it’s about preventing them. And 30 Min DPF Clean is your trusted partner on that journey.
Conclusion
In conclusion, understanding the Paccar MX 13 fault code list is essential for maintaining the health and longevity of your engine. By decoding these codes and taking the appropriate steps, you can ensure your Paccar MX 13 continues to be a reliable road companion.
FAQs
- What does a Paccar MX 13 fault code mean?
A Paccar MX 13 fault code is a specific alphanumeric code that indicates a problem within the engine or related systems. It helps diagnose issues for effective repair. - How can I clear a fault code on my Paccar MX 13 engine?
Clearing a fault code usually requires using a diagnostic tool to reset it. However, it’s essential to address the underlying issue before clearing the code. - Is it safe to continue driving with an active fault code?
Driving with an active fault code can be risky, as it may lead to further damage. It’s advisable to address the issue promptly to avoid potential problems. - Can I reset fault codes without a diagnostic tool?
While some simple fault codes can be reset by disconnecting the battery briefly, it’s not recommended. Using a diagnostic tool ensures proper diagnosis and repair. - How often should I perform maintenance to prevent fault codes?
Regular maintenance is crucial to prevent fault codes. It’s best to follow the manufacturer’s maintenance schedule and perform checks as needed to keep your engine in top shape.
For more information on Paccar trouble codes and related services, visit the official Paccar website.
