| 94-02 3.8L VIN L/K/1 |
|---|
| Scan Code | Fault Location | Probable Cause |
| POOOO-P0999 | Refer to OBD-II trouble code table | – |
| P1106 | Manifold absolute pressure (MAP) sensor -voltage high, intermittent | Wiring open circuit/short circuit to positive, poor connections |
| P1107 | Manifold absolute pressure (MAP) sensor -voltage low, intermittent | Wiring short circuit to ground, poor connections |
| P1111 | Intake air temperature (IAT) sensor -voltage high, intermittent | Wiring open circuit/short to positive, poor connections |
| P1112 | Intake air temperature (IAT) sensor -voltage low, intermittent | Wiring short circuit to ground |
| P1114 | Engine coolant temperature (ECT) sensor -voltage low, intermittent | Wiring short circuit to ground, poor connections , |
| P1115 | Engine coolant temperature (ECT) sensor -voltage high, intermittent | Wiring open circuit/short to positive, poor connections |
| P1121 | Throttle position (TP) sensor -voltage high, intermittent | Wiring open circuit/short to positive, poor connections |
| P1122 | Throttle position (TP) sensor -voltage low, intermittent | Wiring open circuit/short to ground, poor connections |
| P1133 | Oxygen sensor (02S)/heated oxygen sensor (H02S) 1, bank 1 -insufficient switching | Wiring, exhaust system leaking, 02S/H02S |
| P1134 | Heated oxygen sensor (H02S) 1, bank 1 -slow response | Wiring, oxygen sensor heater, exhaust system leaking, H02S |
| P1137 | Heated oxygen sensor (H02S) 2, bank 1 -voltage low | Wiring, exhaust system leaking, H02S |
| P1138 | Heated oxygen sensor (H02S) 2, bank 1 -voltage high | Wiring, H02S |
| P1171 | Fuel system -lean during acceleration | Fuel filter, fuel pump, H02S, injectors |
| P1189 | Engine oil pressure warning lamp switch – circuit malfunction | Wiring, engine oil pressure warning lamp switch |
| P1200 | Injectors – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, injectors, ECM |
| P1257 | Supercharger (SC), boost – too high | Supercharger (SC) bypass valve hoses blocked/leaking/interchanged/not connected, wiring short circuit to ground, supercharger (SC) bypass valve solenoid, ECM |
| P1336 | Crankshaft position sensor (CKP) -variation not learned | Learning procedure not performed |
| P1350 | Ignition control system, bypass circuit -circuit malfunction | Wiring, poor connections, ICM, ECM |
| P1351 | Ignition control system, coil -voltage high | Wiring open circuit, ICM, ECM |
| P1352 | Ignition control system, bypass circuit -voltage high | Wiring open circuit, ICM, ECM |
| P1361 | Ignition control system, ignition control (IC) circuit -voltage low | Wiring, circuit short circuit to ground, poor connections, ICM, ECM |
| P1362 | Ignition control, bypass circuit -voltage low | Wiring short circuit to ground, ICM, ECM |
| P1374 | Crankshaft position sensor (CKP), high to low resolution frequency -signal variation | Wiring, wiring routed near spark plug wires, ignition coils arcing/tracking, ICM, ECM |
| P1380 | Antilock brake system (ABS)/traction control system (TCS), rough road signal to engine control module (ECM) -malfunction | ABS trouble code(s) stored |
| P1381 | Antilock brake system (ABS)/traction control system (TCS), rough road signal to engine control module (ECM) -no communication | Wiring, poor connections, ABS |
| P1403 | Exhaust gas recirculation (EGR) solenoid 1 – circuit malfunction | Wiring, EGR valve, ECM |
| P1404 | Exhaust gas recirculation (EGR) valve -not fully closing | Wiring, poor connections, EGR valve position sensor, EGR solenoid |
| P1405 | Exhaust gas recirculation (EGR) solenoid 3 – circuit malfunction | Wiring, EGR valve, ECM |
| P1406 | Exhaust gas recirculation (EGR) valve position sensor -range performance | Wiring, EGR valve tight/sticking, EGR valve position sensor |
| P1441 | Evaporative emission (EVAP) system -leak detected | Hose connection(s), EVAP canister, EVAP canister purge valve |
| P1483 | Engine cooling system – performance | Cooling system, engine coolant temperature (ECT) sensor, intake air temperature (IAT) sensor |
| P1520 | Park/neutral position (PNP) switch -circuit malfunction | Wiring short circuit to ground, PNP switch incorrectly adjusted |
| P1530 | A/C refrigerant pressure sensor/switch – circuit malfunction | Wiring, A/C refrigerant pressure sensor/switch, ECM |
| P1531 | A/C refrigerant pressure sensor -voltage low | Incorrect refrigerant charge, wiring, A/C refrigerant pressure sensor, ECM |
| P1546 | A/C compressor clutch relay -circuit malfunction | Wiring, A/C compressor clutch relay, ECM |
| P1550 | Cruise control system, motor actuator – circuit malfunction | Wiring, poor connections, cruise control motor/actuator, ECM |
| P1554 | Cruise control status circuit -high voltage | Wiring open circuit/short circuit to ground, cruise control module, ECM |
| P1558 | Cruise control system – performance low | Wiring, poor connections, accelerator cable sticking |
| P1561 | Cruise control, vent solenoid – circuit malfunction | Wiring, solenoid valve |
| P1562 | Cruise control, vacuum solenoid – circuit malfunction | Wiring, solenoid valve |
| P1565 | Cruise control servo position – circuit malfunction | Wiring, poolr connections, servo position sensor |
| P1567 | Cruise control master switch – circuit malfunction | Wiring, poor connections, cruise control master switch |
| P1568 | Cruise control system – performance high | Wiring, poor connections, accelerator cable sticking |
| P1571 | Traction control system (TCS), torque request signal -malfunction | Wiring, poor connections, ABS/TCS |
| P1573 | Engine control module (ECM), ABS/TCS communication -malfunction | Wiring, poor connections, ABS control module, ECM |
| P1575 | Brake pedal position switch (BPP), extended travel contacts -voltage high | Wiring, ABS |
| P1585 | Cruise control system, inhibit output circuit | Wiring, poor connections, cruise control motor/actuator, ECM |
| P1599 | Cruise control system – engine management has operated in limited power mode | Accelerator cable sticking, brake vacuum release valve, cruise control actuator |
| P1600 | Engine control module (ECM) -malfunction | ECM |
| P1601 | CAN data bus, engine control module (ECM)I antilock brake system (ABS)/traction control system (TCS)/instrumentation control modulel diagnostic control module -some communication lost | Wiring, poor connections, ECM, ABS/TCS, diagnostic control module, instrumentation control module |
| P1602 | Engine control module (ECM) to antilock brake system (ABS)/traction control system (TCS), CAN data bus -communication failure | Wiring, poor connections, ABS control module |
| P1610 | CAN data bus, engine control module (ECM) to body control module (BCM) – communication failure | Wiring, poor connections |
| P1619 | Engine oil life monitor reset switch – circuit malfunction | Wiring short circuit to ground, engine oil life monitor reset switch, ECM |
| P1621 | Engine control module (ECM) -memory performance | ECM |
| P1623 | Engine control module (ECM), PROM -malfunction | Poor connections, incorrect programming, ECM |
| P1626 | Engine control module (ECM) -fuel enable signal lost | Wiring, poor connections, immobilizer control module, ECM |
| P1627 | Engine control module (ECM) -malfunction | ECM |
| P1629 | Engine control module (ECM) -fuel enable signal not received | Incorrect ignition key, wiring, poor connections, immobilizer control module, ECM |
| P1630 (1994-1995) | System voltage – high/low | Wiring, battery, alternator |
| P1630 (1996-2002) | Engine control module (ECM), immobilizer code -learning mode | ECM immobilizer code programming not completed |
| P1631 | Engine control module (ECM) -incorrect immobilizer code | Incorrect key, immobilizer code not programmed |
| P1632 | Engine control module (ECM) -fuel disable signal received | Fuses, SCM, immobilizer code |
| P1635 | Engine control module (ECM), sensor supply voltage -circuit malfunction | Wiring, poor connections, TP sensor, MAP sensor, EGR valve position sensor, FTP sensor, ECM |
| P1639 | Engine control module (ECM), sensor supply voltage -circuit malfunction | Wiring, poor connections, fuel tank level sensor, ECM |
| P1640 | Engine control module (ECM), quad driver/output driver – circuit malfunction | Wiring, ECM controlled components, ECM |
| P1641 (1994-1997) | Malfunction indicator lamp – circuit malfunction | Wiring, poor connections, MIL, ECM |
| P1641 (1998-2002) | A/C compressor clutch relay – circuit malfunction | Wiring open circuit/short circuit to ground, A/C compressor clutch relay, ECM |
| P1643 | Fuel pump, control signal -circuit malfunction | Wiring, fuel pump control module, ECM |
| P1644 | Traction control system (TCS), delivered torque signal -malfunction | Wiring, poor connections, ECM |
| P1645 (1994-1997) | Supercharger (SC) bypass valve, control signal – circuit malfunction | Wiring, SC bypass valve, ECM |
| P1646 (1998-2002) | Supercharger (SC) bypass valve, control signal – circuit malfunction | Wiring, SC bypass valve, ECM |
| P1650 | Engine control module (ECM), quad drive/output driver -circuit malfunction | Wiring, ECM controlled components, ECM |
| P1651 | Engine coolant blower motor relay 1 – circuit malfunction | Wiring, engine coolant blower motor relay, ECM |
| P1652 | Engine coolant blower motor relay 2 & 3 – circuit malfunction | Wiring, engine coolant blower motor relay(s), ECM |
| P1653 | Traction control system (TCS), delivered torque signal – malfunction | Wiring, poor connections, ECM |
| P1654 | AC compressor clutch relay -circuit malfunction | Wiring open circuit/short circuit to ground, A/C compressor clutch relay, ECM |
| P1655 | Evaporative emission (EVAP) canister purge valve -circuit malfunction | Wiring open circuit/short circuit to ground, EVAP canister vent valve, ECM |
| P1660 | Engine control module (ECM), quad driver/output driver – circuit malfunction | Wiring, ECM controlled components, ECM |
| P1662 | Cruise control, inhibit output circuit -malfunction | Wiring open circuit/short circuit to ground, cruise control motor/actuator, cruise control module, ECM |
| P1663 | Alternator warning lamp, control signal -circuit malfunction | Wiring, instrument panel, ECM |
| P1665 | Evaporative emission (EVAP) canister vent valve -circuit malfunction | Wiring open circuit/short circuit to ground, EVAP canister vent valve, ECM |
| P1667 | Fuel pump, control signal-circuit malfunction | Wiring, reverse inhibit solenoid, ECM |
| P1670 | Engine control module (ECM), quad driver/output driver-circuit malfunction | Wiring, ECM controlled components, ECM |
| P1671 | Malfunction indicator lamp (MIL) -circuit malfunction | Wiring open circuit/short circuit to ground/ short circuit to positive, MIL, ECM |
| P1672 | Engine oil level ‘low’ warning lamp, control signal -circuit malfunction | Wiring short circuit to ground, engine oil level, ECM |
| P1673 | Engine coolant ‘hot’ warning lamp, control signal -circuit malfunction | Wiring, instrument panel, cooling system, ECM |
| P1675 | Evaporative emission (EVAP) canister vent valve – circuit malfunction | Wiring, poor connection, EVAP canister vent valve, ECM |
| P1676 | Evaporative emission (EVAP) canister purge valve -circuit malfunction | Wiring open circuit/short circuit to ground, EVAP canister purge valve, ECM |
| P1680 | Engine control module (ECM) -malfunction | ECM |
| P1681 | Engine control module (ECM) -malfunction | ECM |
| P1683 | Engine control module (ECM) -malfunction | ECM |
| P1689 | Traction control system (TCS), delivered torque signal -malfunction | Wiring, poor connections, ECM |
| P1810 | Transmission fluid pressure (TFP) switch manual valve position | Fluid level low, wiring, selector lever linkage incorrectly adjusted, ECM |
| P1811 | Shift time too long – adaption limit reached | Fluid level low, transmission mechanical fault |
| P1814 | Torque converter clutch (TCC) – over-stressed | Fluid level low, fluid condition, transmission mechanical fault |
| P1819 | Transmission range (TR) switch, signals ‘A/B/C & P’ – signal variation | Wiring, TR switch |
| P1820 | Transmission range (TR) switch, signal ‘A’ – voltage low | Wiring short to ground, TR switch |
| P1822 | Transmission range (TR) switch, signal ‘B’ – voltage high | Wiring short to ground, TR switch |
| P1823 | Transmission range (TR) switch, signal ‘P’ – voltage low | Wiring short to ground, TR switch |
| P1825 | Transmission range (TR) switch, signals ‘A/B/C & P’ – incorrect signal | Wiring, TR switch |
| P1826 | Transmission range (TR) switch, signals ‘C’ – voltage high | Wiring, TR switch |
| P1860 | Torque converter clutch (TCC) solenoid – circuit malfunction | Wiring open circuit/short circuit to ground, TCC solenoid, ECM |
| P1887 | Torque converter clutch (TCC) release switch – circuit malfunction | Wiring open circuit, TCC solenoid release switch, ECM |
| U1000 | CAN data bus -communication malfunction | Wiring, BCM, ECM, instrumentation control module, SOM |
| U1016 | CAN data bus, engine control module (ECM)/antilock brake system (ABS)/traction control system (TCS)/instrumentation control module/diagnostic control module – loss of serial communication | Wiring, poor connections, ECM, ABS/TCS, diagnostic control module, instrumentation control module |
| U1254 | CAN data bus – loss of serial communication | Wiring, BCM, ECM, instrumentation control module, SDM |
| U1255 | CAN data bus – communication malfunction | Wiring, BCM, ECM, instrumentation control module, SDM |
| U1300 | CAN data bus – signal low | Wiring |
| U1301 | CAN data bus -signal high | Wiring |
| U1305 | CAN data bus -signal high or low | Wiring |
