| Peterbilt Codes |
|---|
|
| Trouble Code | Fault Location |
|---|
P1000 – P1099 (Fuel and air metering and auxiliary emission control) | | P101C | BPV position fault while engine is in SCR heating mode |
| P101D | BPV position fault while engine is not in SCR heating mode |
| P101E | BPV CAN sensor has permanent governor deviation |
| P101F | BPV CAN sensor overload |
| P1020 | BPV CAN sensor unspecified actuator fault |
| P1021 | BPV CAN sensor command timeout |
| P1022 | BPV CAN sensor current too high |
| P1023 | BPV CAN sensor temperature too high |
| P1024 | BPV CAN sensor power supply fault |
| P1025 | BPV CAN sensor position fault |
| P1026 | BPV CAN sensor calibration fault |
| P1027 | BPV Power supply fault |
| P102A | Post Air Temperature BPV over range |
| P102B | Post Air Temperature BPV under range |
| P102C | Broken Turbine fault |
| P102D | AMF CAN sensor burn off timeout fault |
| P102E | AMF PCB temperature out of range at powerup |
| P102F | BPV temperature out of range at powerup |
| P1030 | EGR temperature out of range at powerup |
| P1031 | Vehicle speed acceleration/deceleration diagnostic fault |
| P1032 | Vehicle speed not zero at key on check fault |
| P1037 | Air pressure pre-BPV under range |
| P1038 | Air pressure pre-BPV over range |
| P1039 | DOCP Doc pressure too high fault |
| P103C | NOXCD NOx controller feedback monitor, inner clamping symptom |
| P103D | NOXCD NOx controller feedback monitor, EGR actuation limited symptom (low limit) |
| P103E | NOXCD NOx controller feedback monitor, EGR actuation limited symptom (high limit) |
| P103F | NOXCD NOx controller feedback monitor, VGT surge clamping symptom |
| P1040 | DOCP Doc pressure too low fault |
| P1042 | EMPCD P3 (exhaust air pressure before turbine) controller feedback monitor, inner clamping symptom |
| P1043 | EMPCD P3 (exhaust air pressure before turbine) controller feedback monitor, VGT actuation limited symptom (low limit) |
| P1044 | EMPCD P3 (exhaust air pressure before turbine) controller feedback monitor, VGT actuation limited symptom (high limit) |
| P1045 | EMPCD P3 (exhaust air perssure before turbine) controller feedback monitor, VGT surge clamping symptom |
| P1046 | High error fault of FAFPD diagnosis in idle |
| P1047 | Low error fault of FAFPD diagnosis in idle |
| P1048 | High error fault of FAFPD diagnosis in overrun |
| P1049 | Low error fault of FAFPD diagnosis in overrun |
| P104A | Error of the FAFPD overflow diagnosis |
| P104B | APSPD P2 (boost air pressure) sensor plausibility fault (high threshold) |
| P104C | APSPD P2 (boost air pressure) sensor plausibility fault (low threshold) |
| P104D | APSPD P3 (exhaust air pressure before turbine) sensor plausibility fault (high threshold) |
| P1050 | APSPD P5 (pre-DOC (or pos BPV) air pressure) sensor plausibility fault |
| P1051 | SFS Preheat Plausibility fault |
| P1053 | SFS Speed Plausibility fault |
| P1054 | SFS Downhill Speed Controller Plausibility fault |
| P1055 | SFS Retarder Plausibility fault |
| P1057 | APSPD P3 (exhaust air pressure before turbine) sensor plausibility fault (low threshold) |
| P1058 | APSPD Boost air pressure lo fault |
| P1062 | SFS Cruise control Plausibility fault |
| P1081 | Fuel temperature plausibility fault |
| P1086 | Detects if the pressure in the rail does not rise within a given time period after the running of the engine, a keyoff-keyon or the entrace into |
| P1087 | Fuel pressure low warning |
| P1088 | Detects when rail pressure goes over threshold (APV) in the absence of railp sensor fault |
| P1089 | Detects when rail pressure goes over threshold (APV) in the absence of railp sensor fault |
| P108A | Build up fault when low pres supply insufficient. |
| P1090 | Detects when rail pressure goes over threshold (APV) in the absence of railp sensor fault |
| P1091 | Rail Pressure Sensor high plausibility fault detected via HPV learning check. |
| P109C | High Pressure (dump) Valve current feedback min range fault |
| P109D | High Pressure (dump) Valve current feedback max range fault |
P1100 – P1199 (Fuel and air metering) | | P1105 | Engine Protection System - Approaching Shutdown state |
| P1106 | Engine Protection System - Derated performance state |
| P1110 | Intake air cooling temperature out of range |
| P1111 | Boost air temp rate of change fault |
| P1115 | Coolant temp high warning level |
| P1122 | Sticking cruise fault |
| P1127 | Post Intercooler Air Temperature high warning |
| P1128 | Air temp too high |
| P1133 | WRAF heater CJ125 short-circuit to battery fault for heater diagnostic |
| P1134 | WRAF heater CJ125 short-circuit to ground fault for heater diagnostic |
| P1135 | WRAF heater CJ125 short-to-battery fault |
| P1136 | WRAF heater CJ125 short-to-ground fault |
| P1137 | Wraf heater supply voltage test fault |
| P1138 | WRAF heater CJ125 undervoltage fault |
| P1139 | Wraf heater calibration test fault |
| P113A | Wraf heater control test fault |
| P113B | Wraf heater spi test fault |
| P1158 | Front Axle LH Wheel Speed out of range fault |
| P1159 | Front Axle RH Wheel Speed out of range fault |
| P1160 | Rear Axle LH Wheel Speed out of range fault |
| P1161 | Rear Axle RH Wheel Speed out of range fault |
| P1162 | TCO1 message vehicle speed out of range fault |
| P1163 | Transmission output shaft speed out of range |
| P1167 | Indicates warning of leak flow restriction is blockage |
| P1168 | Indicates that leak flow restriction is blocked |
| P1171 | AFC correction minimum limits have been reached. System may be running lean. |
| P1172 | AFC correction maximum limits have been reached. System may be running rich. |
| P1180 | Fuel is hot due to too low fuel level and high amb temp. |
| P1181 | Fuel temp rate of change fault |
| P118A | Control error HPV pos when low pres supply insufficient. |
| P1191 | Indicates that the fuel filter is clogged |
| P1194 | Indicates that the fuel filter is very clogged |
| P1195 | Rail pressure calibration medium range fault |
| P1196 | Rail pressure calibration high range fault |
| P1197 | Rail pressure gradient fault |
P1200 – P1299 (Fuel and air metering – injector circuit) | | P1201 | Cylinder 1: Injector needle valve open circuit |
| P1202 | Cylinder 1: Injector needle valve short circuit across injector |
| P1203 | Cylinder 1: Injector needle valve low side short circuit to ground |
| P1204 | Cylinder 1: Injector needle valve low side short circuit to battery voltage |
| P1205 | Cylinder 5: Injector needle valve open circuit |
| P1206 | Cylinder 5: Injector needle valve short circuit across injector |
| P1207 | Cylinder 5: Injector needle valve low side short circuit to ground |
| P1208 | Cylinder 5: Injector needle valve low side short circuit to battery voltage |
| P1209 | Cylinder 3: Injector needle valve open circuit |
| P1210 | Cylinder 3: Injector needle valve short circuit across injector |
| P1211 | Cylinder 3: Injector needle valve low side short circuit to ground |
| P1212 | Cylinder 3: Injector needle valve low side short circuit to battery voltage |
| P1213 | Cylinder 6: Injector needle valve open circuit |
| P1214 | Cylinder 6: Injector needle valve short circuit across injector |
| P1215 | Cylinder 6: Injector needle valve low side short circuit to ground |
| P1216 | Cylinder 6: Injector needle valve low side short circuit to battery voltage |
| P1217 | Cylinder 2: Injector needle valve open circuit |
| P1218 | Cylinder 2: Injector needle valve short circuit across injector |
| P1219 | Cylinder 2: Injector needle valve low side short circuit to ground |
| P1220 | Cylinder 2: Injector needle valve low side short circuit to battery voltage |
| P1221 | Cylinder 4: Injector needle valve open circuit |
| P1222 | Cylinder 4: Injector needle valve short circuit across injector |
| P1223 | Cylinder 4: Injector needle valve low side short circuit to ground |
| P1224 | Cylinder 4: Injector needle valve low side short circuit to battery voltage |
| P1225 | Cylinder 1 2 or 3: Injector needle valve high side short circuit to ground |
| P1226 | Cylinder 1 2 or 3: Injector needle valve high side short circuit to battery voltage |
| P1227 | Cylinder 4 5 or 6: Injector needle valve high side short circuit to ground |
| P1228 | Cylinder 4 5 or 6: Injector needle valve high side short circuit to battery voltage |
| P1230 | Cylinder 1: Injector spill valve short circuit across injector |
| P1234 | Cylinder 5: Injector spill valve short circuit across injector |
| P1235 | Turbo Speed Plausibility fault |
| P1238 | Cylinder 3: Injector spill valve short circuit across injector |
| P1242 | Cylinder 6: Injector spill valve short circuit across injector |
| P1246 | Cylinder 2: Injector spill valve short circuit across injector |
| P1250 | Cylinder 4: Injector spill valve short circuit across injector |
| P1263 | Increase in combustion in cylinder 1 relative to the others. |
| P1266 | Increase in combustion in cylinder 2 relative to the others. |
| P1269 | Increase in combustion in cylinder 3 relative to the others. |
| P1272 | Increase in combustion in cylinder 4 relative to the others. |
| P1275 | Increase in combustion in cylinder 5 relative to the others. |
| P1278 | Increase in combustion in cylinder 6 relative to the others. |
| P127A | EGR mass flow sensor egr too low fault data |
| P127B | EGR mass flow sensor egr too high fault data |
| P127C | EGR mass flow sensor plausibility fault data |
| P1280 | AMF CAN sensor flow out of range |
| P1281 | AMF CAN sensor reduced accuracy |
| P1282 | AMF CAN sensor pulsation compensation active fault |
| P1283 | AMF CAN sensor pulsation detected |
| P1284 | AMF CAN sensor medium temperature out of range |
| P1285 | AMF CAN sensor checksum error |
| P1286 | AMF CAN sensor defective |
| P1287 | AMF CAN sensor pcb over temperature |
| P1288 | AMF CAN sensor supply voltage out of range |
| P1289 | AMF CAN sensor water droplet impact fault |
| P128A | AMF CAN sensor burn off failed |
| P128A | Control error OMV pos when low pres supply insufficient. |
| P128E | Detects if the rail pressure error is low in rail discharge mode |
| P128F | Detects if the rail pressure error is high in rail discharge mode |
| P1298 | Fault data for the oil system temperature high monitor |
| P12CD | Too long time between two tests at a certain rail pressure for injector 0. |
| P12CF | Too long time between two tests at a certain rail pressure for injector 1. |
| P12D1 | Too long time between two tests at a certain rail pressure for injector 2. |
| P12D3 | Too long time between two tests at a certain rail pressure for injector 3. |
| P12D5 | Too long time between two tests at a certain rail pressure for injector 4. |
| P12D7 | Too long time between two tests at a certain rail pressure for injector 5. |
P1300 – P1399 (Ignition system or misfire) | | P1300 | Combustion fault diagnosed by CSID module |
| P1301 | Intermittent misfire cylinder 1 |
| P1302 | Intermittent misfire cylinder 5 |
| P1303 | Intermittent misfire cylinder 3 |
| P1304 | Intermittent misfire cylinder 6 |
| P1305 | Intermittent misfire cylinder 2 |
| P1306 | Intermittent misfire cylinder 4 |
| P1335 | No crank signal - Start on cam only.w/ fixed timing |
| P1336 | High frequency corruption of crank signal during start up. |
| P1340 | No cam sync - Possible long cranking period |
| P1341 | High frequency corruption of cam signal during start up. Possible long crank |
| P1350 | VGT status invalid fault detected |
| P1351 | VGT data unreliable fault detected |
| P1352 | VGT learn fault detected |
| P1354 | VGT power supply low fault detected |
| P1356 | VGT temperature too high fault detected |
| P138A | Control error discharge pos when low pres supply insufficient. |
P1400 – P1499 (Emission control) | | P1400 | EGR high rate fault when estimated EGR rate is greater than a APV |
| P1401 | CCV pressure sensor max range fault |
| P1402 | CCV pressure sensor min range fault |
| P1403 | CCV pressure sensor offset fault |
| P1404 | CCVCD fault if pressure sensor reading deviates too much from expected value at key on |
| P1405 | Venturi pressure out of range low |
| P1406 | Venturi pressure out of range high |
| P1407 | CCVCD leakage fault |
| P1408 | CCVCD fault if pressure has been detected as too high |
| P1409 | EGR - Filtered air pressure high fault when air pressure is greater than a APV |
| P140A | CCVCD fault if pump (rotor) speed is detected to be too high |
| P140B | Venturi temperature rate of change fault |
| P140C | CCV inlet temperature sensor under range |
| P140D | CCV inlet temperature sensor over range |
| P140E | CCVCD fault if pump (rotor) speed is detected to be too low |
| P140F | Venturi Delta Pressure Plausibility (Positive) fault |
| P141C | CCV outlet temperature sensor under range |
| P141D | CCV outlet temperature sensor over range |
| P1457 | Egr / Egr cooler temperature High warning |
| P1458 | EGR ouput temperature differs from the predicted EGR temperature |
| P1480 | EGR CAN sensor has permanent governor deviation |
| P1481 | EGR CAN sensor overload |
| P1482 | EGR CAN sensor unspecified actuator fault |
| P1483 | EGR CAN sensor command timeout |
| P1484 | EGR CAN sensor current too high |
| P1485 | EGR CAN sensor temperature too high |
| P1486 | EGR CAN sensor power supply fault |
| P1487 | EGR CAN sensor position fault |
| P1488 | EGR CAN sensor calibration fault |
| P1489 | EGR valve stuck closed |
| P148A | OMV trim hi when low pres supply insufficient. |
| P1490 | EGR valve stuck open |
| P1493 | Fan speed out of range low fault |
| P1494 | Fan speed out of range high fault |
| P1495 | EGR failure detected causing fuel derate |
| P1496 | System fault has caused the system to go into PM mode and close EGR valve. |
| P1497 | EGR position fault while engine is in SCR heating mode |
| P1498 | EGR position fault while engine is not in SCR heating mode |
P1500 – P1599 (Vehicle or idle speed control) | | P1501 | Vehicle speed sensor open circuit |
| P1502 | Vehicle speed pulse width modulated mark space ratio |
| P1503 | Vehicle speed sensor short circuit to battery voltage |
| P1504 | Vehicle speed pulse width modulated duty cycle |
| P1505 | Vehicle speed sensor frequency |
| P150F | Oil level startup low warning level |
| P1513 | DEFOI Urea consumption category fault |
| P1514 | DEFOI Urea dosing category fault |
| P1515 | DEFOI EGR system category fault |
| P1516 | DEFOI Monitor system category fault |
| P1517 | DEFOI Urea quality category fault |
| P1518 | DEFOI Torque reduction fault |
| P1519 | DEFOI urea level warning fault (1st threshold) |
| P151A | DEFOI vehicle speed limit fault |
| P151B | DEFOI upcoming vehicle speed limit warning fault |
| P151C | DEFOI urea level low fault (2nd threshold) |
| P151D | DEFOI urea level medium fault (3rd threshold) |
| P151E | DEFOI urea severe fault (4th threshold) |
| P151F | DEFOI Engine speed limit failure |
| P1523 | Oil pressure too high |
| P1524 | Fault data for the oil system pressure low monitor |
| P1526 | CM1 000986 out of range fault |
| P1529 | Crankcase gas flow efficiency low |
| P153A | Crankcase gas flow leak |
| P153B | Crankcase Oil Mist Separator rotor underspeed |
| P153C | Crankcase Oil Mist Separator rotor overspeed |
| P1556 | Coolant Level Sensor Plausibility fault |
| P1558 | Coolant level sensor under range two |
| P1559 | Coolant level sensor over range two |
| P1560 | Coolant Level Low warning |
| P1563 | Battery supply too low |
| P1564 | Fuel Pressure out of range at powerup |
| P1565 | Idle diagnostic speed error fault |
| P1566 | Idle diagnostic fuel error fault |
| P1567 | Acceleration pedal angle fault |
| P1568 | Coolant Pump 1 PWM driver short circuit low |
| P1569 | Coolant Pump 1 PWM driver short circuit high |
| P156A | Coolant Pump 1 PWM driver short open circuit |
| P156B | Coolant Pump 2 PWM driver short circuit low |
| P156C | Coolant Pump 2 PWM driver short circuit high |
| P156D | Coolant Pump 2 PWM driver short open circuit |
| P156E | Tachometer PWM driver short circuit low |
| P156F | Tachometer PWM driver short circuit high |
| P1570 | Oil Temperature signal warm up fault |
| P1571 | Oil Temperature signal normal operation fault |
| P1572 | Post Compressor temperature plausibility fault |
| P1573 | Intake Manifold Air Temperature too high |
| P1580 | Turbo speed malfunction low |
| P1581 | Turbo speed malfunction high |
| P158A | HPV trim HI when low pres supply insufficient. |
P1600 – P1699 (ECM – computer output circuit) | | P1601 | Customer data area checksum failure |
| P160A | Scheduler integrity error |
| P1644 | Sensor 5V reference over range |
| P1645 | Sensor 5V reference under range |
| P1650 | Red stop lamp low side driver open circuit |
| P1652 | Red stop lamp low side driver short circuit high |
| P1653 | Amber warning lamp low side driver open circuit |
| P1655 | Amber warning lamp low side driver short circuit high |
| P1682 | Oil level high side driver open circuit |
| P1683 | Oil level high side driver short circuit high |
| P1684 | Oil level high side driver short circuit low |
| P1686 | Starter motor low side driver open circuit |
| P1687 | Starter motor low side driver short circuit high |
| P1688 | Starter motor low side driver short circuit low |
| P1693 | Ether Fluid Control ext pwm driver open circuit / short circuit high |
| P1694 | Ether Fluid Control ext pwm driver short circuit low |
| P1698 | Voltage reference 4 minimum range fault |
| P1699 | Voltage reference 4 maximum range fault |
P1700 – P1799 (Transmission) | | P1704 | O2SRD Lambda Sensor Dynamic Overrun Diagnostic |
| P1705 | O2SRD Lambda Sensor Model Dynamic Response Diagnostic low fault |
| P1706 | O2SRD Lambda Sensor Model Dynamic Response Diagnostic high fault |
| P1707 | O2SPD Lambda Sensor NOx sensor plausibility low fault |
| P1708 | O2SPD Lambda Sensor NOx sensor plausibility high fault |
| P1709 | O2SPD Lambda Sensor Overrun diagnostic |
| P170A | O2SPD Lambda Sensor Model Level Plausibility level low fault |
| P170B | O2SPD Lambda Sensor Model Level Plausibility level high fault |
| P170C | UNSRD NOx Sensor Overrun diagnostic |
| P170D | UNSRD NOx Sensor Up Model Dynamic Response negative fault |
| P170E | UNSRD NOx Sensor Up Model Dynamic Response positive fault |
| P170F | UNSPD NOx Sensor Overrun diagnostic |
| P1710 | UNSPD NOx Model NOx Plausibility low fault |
| P1711 | UNSPD NOx Model NOx Plausibility high fault |
| P1717 | ARSPD T5 Plausibility Check |
| P1718 | NOXCD NOx Control Deviation Diagnosis - positive |
| P1719 | NOXCD NOx Control Deviation Diagnosis - negative |
| P171B | EGRRD NOx Governor Slow Response - decrement |
| P171C | EGRRD NOx Governor Slow Response - increment |
| P171D | EMTVP T3 Model disable diagnosis |
| P1721 | SCRTD Heating Mode diagnosis |
| P1722 | BPVDD Back Pressure Valve Diagnostic |
| P1723 | EMPCD P3 ControlDeviation diagnosis fault - positive |
| P1724 | EMPCD P3 ControlDeviation diagnosis fault - negative |
| P1726 | EMPRD P3 Governor Slow Response diagnosis |
| P1727 | VGTDD Actuator PosDev diagnosis |
| P1729 | DPFRM NMD regeneration Time out fault |
| P1751 | Mil lamp driver short circuit to battery fault |
P1800 – P1899 (Transmission) | | P1839 | Upstream NOx sensor AT1IGC1 high rate fault |
| P1840 | Upstream NOx sensor AT1IGC1 low rate fault |
| P1841 | Upstream NOx sensor AT1IGC2 high rate fault |
| P1842 | Upstream NOx sensor AT1IGC2 low rate fault |
| P1845 | Upstream NOx sensor compatibility monitor fault |
| P1846 | Upstream NOx sensor ECU-ID message high rate fault |
| P1847 | Upstream NOx sensor ECU-ID message low rate fault |
| P1848 | Upstream NOx sensor heater FMI monitor fault |
| P1849 | Upstream NOx sensor heater response monitor fault. |
| P1850 | Upstream NOx sensor heater-related data not available fault |
| P1851 | Upstream NOx sensor heater-related data out of range fault |
| P1852 | Upstream NOx sensor info-related data not available fault |
| P1853 | Upstream NOx sensor info-related data out of range fault |
| P1854 | Upstream NOx sensor NOx FMI monitor circuit fault |
| P1855 | Upstream NOx sensor NOx persistent invalid monitor fault |
| P1856 | Upstream NOx sensor NOx signal-related data not available fault |
| P1857 | Upstream NOx sensor NOx signal-related data out of range fault |
| P1858 | Upstream NOx sensor O2 FMI monitor circuit fault |
| P1859 | Upstream NOx sensor O2 persistent invalid monitor fault |
| P1860 | Upstream NOx sensor O2 signal-related data not available fault |
| P1861 | Upstream NOx sensor O2 signal-related data out of range fault |
| P1862 | Upstream NOx sensor power status low monitor faults |
| P1863 | Propb AST 522902 out of range fault |
| P1863 | Upstream NOx sensor power-related data not available fault |
| P1864 | Upstream NOx sensor power-related data out of range fault |
| P1864 | AFC slow learn compensation under range. |
| P1865 | AFC slow learn compensation over range. |
| P1866 | Exhaust Gas Pressure (pre turbine) sensor out of range high |
| P1867 | Exhaust Gas Temperature (post BPV) sensor out of range high |
| P1868 | Ambient air temperature sensor out of range high |
| P1869 | Fuel temperature sensor out or range low |
| P1870 | Crankcase ventilation pressure sensor out of range low |
| P1871 | Turbocharger compressor pressure sensor out of range low |
| P1872 | Turbocharger compressor pressure sensor out of range high |
| P1873 | Turbocharger compressor temperature sensor out of range low |
| P1874 | Turbocharger compressor temperature sensor out of range high |
| P1875 | Relative humidity sensor out of range low |
| P1876 | Barometric pressure sensor out of range high |
| P1876 | Ambeint air temperature sensor out of range low |
| P1878 | CCV pump speed sensor out or range high |
| P1879 | Coolant temperature sensor out of range high |
| P187B | Coolant pump speed sensor out of range high |
| P1880 | Fuel pressure sensor out of range high |
| P1882 | Fuel temperature sensor out of range high |
| P1887 | Post BPV pressure sensor out of range high |
| P188C | Air pressure sensor out of range high |
| P1891 | Pre turbine pressure sensor out of range low |
| P1896 | Turbo speed sensor out of range high |
P1900 – P1999 (Transmission) | | P1909 | Fault data for upstream NOx sensor heater warmup monitor |
