| 96-97 3.1L VIN M |
|---|
| Scan Code | Fault Location | Probable Cause |
| P0000-P0999 | Refer to OBD-II generic trouble code table | – |
| P1106 | Manifold absolute pressure (MAP) sensor – circuit intermittent – voltage high | Wiring open circuit/short circuit to positive |
| P1107 | Manifold absolute pressure (MAP) sensor – circuit intermittent – voltage low | Wiring open circuit/short circuit to ground |
| P1111 | Intake air temperature (IAT) sensor – circuit intermittent – voltage high | Wiring open circuit/short circuit to positive, ground lead defective |
| P1112 | Intake air temperature (IAT) sensor – circuit intermittent – voltage low | Wiring short circuit to ground |
| P1114 | Engine coolant temperature (ECT) sensor – circuit malfunction – voltage low | Wiring short circuit to ground |
| P1115 | Engine coolant temperature (ECT) sensor – circuit malfunction – voltage high | Wiring open circuit/short circuit to positive, ground lead defective |
| P1121 | Throttle position (TP) sensor – circuit malfunction – voltage high | Wiring open circuit/short circuit to positive, ground lead defective |
| P1122 | Throttle position (TP) sensor – circuit malfunction – voltage low | Wiring open circuit/short circuit to ground |
| P1133 | Heated oxygen sensor (HO2S) 1 – insufficient switching | Wiring open circuit/short circuit to ground,exhaust system leaking, HO2S |
| P1134 | Heated oxygen sensor (HO2S) 1 – slow response | Wiring open circuit/short circuit to ground,exhaust system leaking, HO2S |
| P1171 | Fuel system – lean during acceleration | Fuel filter, fuel pump, HO2S, injectors |
| P1189 | Engine oil pressure warning lamp switch – circuit malfunction | Wiring, engine oil pressure warning lamp switch, ECM |
| P1200 | Injector(s) – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, ECM |
| P1257 | Boost control problem | Wiring short circuit to ground, hoses blocked/leaking, boost bypass actuator, boost control solenoid, ECM |
| P1260 | Fuel pump speed relay – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, fuel pump relay, fuel pump control module, ECM |
| P1336 | Crankshaft position sensor (CKP) – variation not learned | Learning procedure not performed |
| P1350 | Ignition control module (ICM) – elctronic spark timing (EST)/ignition control (IC)/bypass circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, ICM, ECM |
| P1351 | Ignition control module, ignition control (IC) circuit – voltage high | Wiring open circuit, ICM, ECM |
| P1352 | Ignition control circuit – bypass line – voltage high | Wiring open circuit, ICM, ECM |
| P1361 | Ignition control module (ICM) – elctronic spark timing (EST)/ignition control (IC)/bypass circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, ICM, ECM |
| P1362 | Ignition control circuit, bypass line – voltage low | Wiring short circuit to ground/short circuit to positive, ICM, ECM |
| P1374 | Crankshaft position (CKP) | Wiring open circuit/short circuit to ground/short circuit to positive, wiring routed near spark plug wires, ignition coils arcing/tracking, ICM, ECM |
| P1380 | Rough road signal – signal error | ABS control module trouble code(s) stored |
| P1381 | Rough road signal – no communication from antilock brake system (ABS) CAN data bus | Wiring open circuit, ABS system |
| P1403 | Exhaust gas recirculation (EGR) valve solenoid 1 | Wiring open circuit/short circuit to ground, exhaust system blocked, EGR valve, ECM |
| P1405 | Exhaust gas recirculation (EGR) valve solenoid 3 | Wiring open circuit/short circuit to ground, exhaust system blocked, EGR valve, ECM |
| 1406 | Exhaust gas recirculation (EGR) valve position sensor – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, EGR valve, ECM |
| P1441 | Evaporative emission (EVAP) system – leak detected | Wiring short circuit to ground, hose connection(s), EVAP system vacuum switch, EVAP canister purge valve, ECM |
| P1442 | Evaporative emission (EVAP) system vacuum switch – circuit malfunction | Wiring open circuit/short circuit to ground, EVAP system vacuum switch, ECM |
| P1483 | Engine cooling system – performance | Cooling system, engine coolant temperature (ECT) sensor, intake air temperature (IAT) sensor |
| P1520 | Park/neutral position (PNP) switch | Wiring short circuit to ground, incorrectly adjusted, ECM |
| P1530 | A/C refrigerant pressure sensor – circuit malfunction | A/C refrigerant pressure, wiring open circuit/short circuit to ground/short circuit to positive, A/C refrigerant pressure sensor, ECM |
| 1531 | Low A/C refrigerant charge | Low A/C refrigerant charge, wiring open circuit/short circuit to ground/short circuit to positive, A/C refrigerant low pressure switch, ECM |
| P1546 | A/C compressor clutch relay – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, A/C compressor clutch relay, ECM |
| P1550 | Cruise control stepper motor, circuit malfunction | Wiring open circuit/short circuit to positive, cruise control module, ECM |
| P1554 | Cruise control status circuit | Wiring short circuit to ground, cruise control module, ECM |
| P1558 | Cruise control servo position sensor – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, hoses leaking, cruise control servo, cruise control cable binding |
| P1561 | Cruise control vent solenoid | Wiring open circuit/short circuit to ground/short circuit to positive, cruise control servo, ECM |
| P1562 | Cruise control vacuum solenoid | Wiring open circuit/short circuit to ground/short circuit to positive, cruise control servo, ECM |
| P1565 | Cruise control servo position sensor | Wiring open circuit/short circuit to ground/short circuit to positive, cruise control servo, ECM |
| P1567 | Cruise control switch – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, cruise control switch, brake pedal vacuum valve, ECM |
| P1568 | Cruise control servo – servo position sensor high | Hose blocked, brake pedal vacuum valve, cruise control servo, cruise control cable binding |
| P1571 | Traction control system (TCS), torque request circuit | Wiring open circuit/short circuit to ground/short circuit to positive, ABS control module trouble code (s) stored, ECM |
| P1573 | Data bus – antilock brake system (ABS)/traction control system (TCS) | Wiring, ABS control module trouble codes(s) stored |
| P1575 | Brake pedal position (BPP) switch – extended travel | Wiring short circuit to positive, BPP switch, ECM |
| P1585 | Cruise control system – inhibit output circuit | Hoses blocked, brake pedal vacuum valve, cruise control servo, cruise control cable binding |
| P1602 | CAN data bus – antilock brake system (ABS)/traction control system (TCS) | Wiring, ABS control module trouble code(s) stored/td> |
| P1604 | CAN data bus | Wiring, BCM trouble code(s) stored |
| P1605 | CAN data bus – A/C | Wiring, A/C system trouble code(s) stored |
| P1610 | CAN data bus – body control module (BCM) | Wiring, BCM trouble code(s) stored |
| P1619 | Engine oil life monitor reset switch – circuit malfunction | Wiring short circuit to ground, engine oil life monitor reset switch, ECM |
| P1623 | Engine control module (ECM) – PROM | Insecure PROM, ECM |
| P1626 | Immobilizer control module – fuel enable signal | Incorrect ignition key, wiring open circuit/short circuit to ground/short circuit to positive, immobilizer control module, ECM |
| P1629 | Immobilizer control module – fuel enable signal | Incorrect ignition key, wiring open circuit/short circuit to ground/short circuit to positive, immobilizer control module, ECM |
| P1630 | Engine control module (ECM), immobilizer code learning mode | Immobilizer code not programmed |
| P1631 | Engine control module (ECM) – incorrect immobilizer code | Incorrect key, immobilizer code not programmed |
| P1635 | Sensor supply voltage – circuit A malfunction | Wiring short circuit to positive, ground wiring open circuit, TP sensor, MAP sensor, EGR valve, ECM |
| P1639 | Sensor supply voltage – circuit B malfunction | Wiring short circuit to ground/positive, ground wiring open circuit, A/C refrigerant pressure sensor, ECM |
| P1640 | Engine control module quad driver/output driver | Wiring, ECM controlled components, ECM *(see below for additional information) |
| P1641 (Model Years 1996 – 1997) | Malfunction indicator lamp (MIL) – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, MIL, supply wire, ECM |
| P1643 | Fuel pump control module – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, fuel pump control module, ECM |
| P1645 | Supercharger (SC) control valve solenoid – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, SC control valve solenoid, ECM |
| P1646 | Supercharger (SC) control valve solenoid – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, SC control valve solenoid, ECM |
| P1650 | Engine control module, quad driver/output driver | Wiring, ECM controlled components, ECM * (see below for additional information) |
| P1651 | Engine coolant blower motor relay 1 – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, engine coolant blower motor relay 1, ECM |
| P1652 | Engine coolant blower motor relay 2 – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, engine coolant blower motor relay 2, ECM |
| P1653 | Traction control system (TCS) – delivered torque circuit | Wiring open circuit/short circuit to ground/short circuit to positive, ABS control module trouble code(s) stored, ECM |
| P1654 | A/C compressor clutch relay – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, A/C compressor clutch relay, ECM |
| P1655 | Evaporative emission (EVAP) canister purge valve – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, EVAP canister purge valve, ECM |
| P1660 | Engine control module quad driver/output driver | Wiring, ECM controlled components, ECM * (see below for additional information) |
| P1662 | Cruise control inhibit circuit – circuit malfunction | Wiring open circuit/short circuit to ground, cruise control motor/actuator, cruise control module, ECM |
| P1663 | Alternator warning lamp – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, instrument panel, ECM |
| P1665 | Evaporative emission (EVAP) canister vent valve – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, EVAP canister vent valve, ECM |
| P1667 | Fuel pump control module – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, fuel pump control module, ECM, fuel pump relay |
| P1670 | Engine control module quad driver/output driver | Wiring, ECM controlled components, ECM * (see below for additional information) |
| P1671 | Malfunction indicator lamp (MIL) – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, ECM |
| P1672 | Engine oil level warning lamp – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, ECM |
| P1673 | Engine coolant ‘hot’ warning lamp – circuit malfunction | Wiring open circuit/short circuit to ground, cooling system, ECM |
| P1674 | Tachometer – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, instrument panel, ECM |
| P1675 | Evaporative emission (EVAP) canister vent valve – circuit malfunction | Wiring open circuit/short circuit to ground, EVAP canister vent valve, ECM |
| P1676 | Evaporative emission (EVAP) canister purge valve – circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, EVAP canister purge valve, ECM |
| P1689 | Traction control system (TCS) – delivered torque output circuit | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, ABS trouble codes stored, ECM |
