GM GM Achieva/Alero/Cutlass/Eighty Eight/Intrigue/Silhouette Trouble Code Info

GM

Various Models
Achieva 3.1L 98 VIN M Alero 3.4L 99-02 VIN M Bravada 4.3L 96-02 VIN W
Cutlass Ciera 3.1L 94-96 VIN M Cutlass Supreme 3.1L 96-97 VIN M Cutlass Supreme 3.4L 94-97 VIN X
Eighty Eight 3.8L 94-97 VIN 1/K/L Ninety Eight 3.8L 94-96 VIN 1/L Regency 3.8L 94-96 VIN 1/L
Silhouette 3.4L 96-97 VIN E Silhouette 3.8L 94-95 VIN L
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, bank 1 – insufficient switching Wiring open circuit/short circuit to ground,exhaust system leaking, HO2S
P1134 Heated oxygen sensor (HO2S) 1, bank 1 – slow response Wiring open circuit/short circuit to ground,exhaust system leaking, HO2S
P1189 Engine oil pressure warning switch Wiring open circuit, engine oil pressure warning switch, ECM
P1257 Supercharger (SC) – over-boost Hoses blocked/leaking/interchanged/not connected, wiring short circuit to ground, supercharger (SC) bypass valve tight/sticking, supercharger (SC) bypass valve solenoid, ECM
P1336 Crankshaft position sensor (CKP) – variation not learned Learning procedure not performed
P1350 Ignition control module (ICM) – bypass line monitor 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 module, bypass line – voltage high Wiring open circuit/short circuit to ground/short circuit to positive, ICM, ECM
P1361 Ignition control module (ICM) – IC circuit voltage low Wiring short circuit to ground, ICM, ECM
P1362 Ignition control module (ICM) – bypass/IC circuit, voltage low Wiring short circuit to ground, ICM, ECM
P1374 Ignition control module (ICM) – 3X reference circuit malfunction 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
P1404 Exhaust gas recirculation (EGR) valve – stuck open Wiring open circuit/short circuit to positive, exhaust gas recirculation (EGR) valve position sensor, EGR solenoid
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 Wiring short circuit to ground, incorrectly adjusted PNP switch
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
P1554 Cruise control status circuit – high voltage Wiring open circuit/short circuit to ground, cruise control module, ECM
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
P1585 Cruise control system – inhibit output circuit Wiring open/short circuit to ground/short circuit to positive, supply wire, cruise control motor/actuator, ECM
P1600 Engine control module (ECM) ECM
P1602 CAN data bus – anti-lock brake system (ABS)/traction control system (TCS) Wiring, ABS control module 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, body control module (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
P1621 Engine control module (ECM) – memory performance ECM
P1626 Immobilizer control module Wiring, body control module (BCM) trouble code(s) stored
P1627 Engine control module – memory performance 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 A/C compressor clutch relay – circuit malfunction Wiring open circuit/short circuit to ground, supply wire, A/C compressor clutch relay, 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 Fuel gauge tank sensor – circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, instrument panel, ECM
P1653 (Silhouette 3.4L 1999) Engine oil level warning lamp – circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, instrument panel, ECM
P1660 Engine control module quad driver/output driver Wiring, ECM controlled components, ECM
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, 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
P1670 Engine control module quad driver/output driver Wiring, ECM * (see below for additional information)
P1671  Malfunction indicator lamp (MIL) – circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, MIL, ECM
P1672 Engine oil level warning lamp – circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, instrument panel, ECM
P1673 Engine coolant ‘hot’ warning lamp – circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, instrument panel, cooling system, 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) ECM
P1681 Engine control module (ECM) ECM
P1683 Engine control module (ECM) ECM
P1689 Traction control system (TCS) – delivered torque output circuit Wiring open circuit/short circuit to ground/short circuit to positive, ABS trouble codes stored, ECM
P1810 Transmission fluid pressure (TFP) switch – manual valve position Fluid level low, wiring open circuit/short circuit to ground, selector lever linkage incorrectly adjusted, ECM
P1811 Shift time too long – adaptation limit reached Fluid level low, transmission mechanical fault
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
* Depending on model, year and equipment level, the following components may be connected to this circuit. Use of the vehicle wiring diagram is recommended to confirm which components are fitted.
A/C compressor clutch relay Exhaust gas recirculation (EGR) solenoid
A/C condenser blower motor relay Malfunction indicator lamp (MIL)
Engine coolant blower motor relay Transmission shift warning light (MT)
Engine coolant ‘hot’ warning lamp Torque converter clutch (TCC) solenoid
Evaporative emission (EVAP) canister purge Transmission shift solenoids (SS)