GM OBD/OBD2 Codes >> GM 96 5.7L VIN P

GM

96 5.7L VIN P
Scan CodeFault LocationProbable Cause
P0000-P0999Refer to OBD-II trouble code table
P1106Manifold absolute pressure (MAP) sensor – circuit intermittent – voltage highWiring open circuit/short circuit to positive
P1107Manifold absolute pressure (MAP) sensor – circuit intermittent – voltage lowWiring open circuit/short circuit to ground
P1111Intake air temperature (IAT) sensor -circuit intermittent -voltage highWiring open circuit/short circuit to positive, ground lead defective
P1112Intake air temperature (IAT) sensor -circuit intermittent -voltage lowWiring short circuit to ground
P1114Engine coolant temperature (ECT) sensor -circuit malfunction -voltage lowWiring short circuit to ground
P1115 Engine coolant temperature (ECT) sensor -circuit malfunction -voltage high Wiring open circuit/short circuit to positive, ground lead defective
P1121Throttle position (TP) sensor -circuit malfunction -voltage highWiring open circuit/short circuit to positive, ground lead defective
P1122Throttle position (TP) sensor -circuit malfunction -voltage lowWiring open circuit/short circuit to ground
P1133 Heated oxygen sensor (H02S) 1, bank 1 – insufficient switching Wiring open circuit/short circuit to ground, exhaust system leaking, oxygen sensor heater, oxygen sensor contamination, H02S
P1134Heated oxygen sensor (H02S) 1, bank 1 -slow response Wiring open circuit/short circuit to ground, exhaust system leaking, oxygen sensor heater, oxygen sensor contamination, H025
P1153 Heated oxygen sensor (H02S) 1, bank 2 -insufficient switching Wiring open circuit/short circl!it to ground, exhaust system leaking, oxygen sensor heater, oxygen sensor contamination, H02S
P1154 Heated oxygen sensor (H02S) 1, bank 2 -slow response Wiring open circuit/short circuit to ground, exhaust system leaking, oxygen sensor contamination, H02S
P1171Fuel system -lean dUring accelerationFuel filter, fuel lines, fuel pump
P1200Injector(s) -circuit malfunctionWiring open circuit/short circuit to ground! short circuit to positive, ECM
P1222Injector control -circuit malfunctionWiring open circuit/short circuit to ground! short circuit to positive, injector(s)
P1257Boost control problemWiring short circuit to ground, hoses blockedlleaking, boost bypass actuator, boost control solenoid, ECM
P1260Fuel pump speed relay -circuit malfunctionWiring open circuit/short circuit to ground! short circuit to positive, fuel pump relay, Fuel pump control module, ECM
P1336Crankshaft position sensor (CKP) -variation not leamedLearning procedure not performed
P1350 Ignition control module (ICM) -electronic spark timing (EST)/ignition control (1C)!bypass circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, ICM, ECM
P1351Ignition control module, ignition control (IC) circuit -voltage highWiring open circuit, ICM, ECM
P1352Ignition control (IC) circuit -bypass line -voltage highWiring open circuit, ICM, ECM
P1361Ignition control module (ICM) -electronic spark timing (EST)/ignition control (IC)/bypass circuit malfunctionWiring open circuit/short circuit to ground/ short circuit to positive, ICM, ECM
P1362Ignition control circuit, bypass line -voltage lowWiring short circuit to ground/short circuit to positive, ICM, ECM
P1371Direct ignition (01) low resolution circuit malfunctionWiring open circuit/short circuit to ground! short circuit to positive, distributor, ICM, ECM
P1374Crankshaft 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
P1380Rough road signal -signal errorABS control module trouble code(s) stored
P1381Rough road signal -no communication from antilock brake system (ASS) CAN data busWiring open circuit, ABS system
P1404Exhaust gas recirculation (EGR) valve -stuck openWiring open circuit/short circuit to positive, EGR valve, exhaust system blocked, ECM
P1406Exhaust gas recirculation (EGR) valve position sensor -circuit malfunctionWiring open circuit/short circuit to ground/ short circuit to positive, EGR valve position sensor, EGR valve, ECM
P1415Secondary air injection (AIR) system -bank 1Wiring, hoses blocked/leaking, AIR valve
P1416Secondary air injection (AIR) system -bank 2Wiring, hoses blocked/leaking, AIR valve
P1441Evaporative emission (EVAP) system -leak detectedWiring short circuit to ground, hose connection(s), EVAP system vacuum switch, EVAP canister purge valve, ECM
P1442Evaporative emission (EVAP) system vacuum switch -circuit malfunctionWiring open circuit/short circuit to ground, EVAP system vacuum switch, ECM
P1508Idle air control (lAC) valve -rpm lowWiring open circuit/short circuit to ground/ short circuit to positive, lAC passages blocked, lAC valve
P1509Idle air control (lAC) valve -rpm highWiring open circuit/short circuit to ground/ short circuit to positive, lAC passages blocked, lAC valve
P1530AlC refrigerant pressure sensor-circuit malfunction ‘AlC refrigerant pressure, wiring open circuit! short circuit to ground/short circuit to positive, AlC refrigerant pressure sensor, ECM
P1539AlC compressor clutch relay -voltage highWiring open circuit/short circuit to ground/ short circuit to positive, AlC compressor clutch relay, ECM
P1545AlC compressor clutch relay -circuit malfunctionWiring open circuit/short circuit to ground/ short circuit to positive, AlC compressor clutch relay, ECM
P1546AlC compressor clutch relay -circuit malfunctionWiring open circuit!short circuit to ground/ short circuit to positive, AlC compressor clutch relay, ECM
P1554Cruise control status circuitWiring short circuit to ground, cruise control module, ECM
P1558Cruise control servo position sensor -circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, cruise control servo, hoses leaking, ECM
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 -circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, TCC solenoid, ECM
P1567 Cruise control switch -circuit malfunctionWiring open circuit/short circuit to positive, cruise control switch, brake pedal vacuum valve, ECM
P1568 Cruise control servo -servo position sensor high  Hoses 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, ASS control modulI trouble code(s) stored, ECM
P1573 Data bus -antilock brake system (ABS)/traction control system (TCS) Wiring, ABS control module trouble code(s) stored
P1585Cruise control system -inhibit output circuitWiring open circuit/short circuit to groundl short circuit to positive, supply wire, cruise control motor/actuator, ECM
P1599 Cruise control -power management mode Hoses blocked, brake pedal vacuum valve, cruise control servo, cruise control cable binding
P1601 CAN data bus -circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, instrument panel, ECM
P1619 Engine oil life monitor reset switch – circuit malfunction Wiring short circuit to ground, engine oil life monitor reset switch, ECM
P1621Engine control module (ECM) -memory performanceECM
P1623Engine control module (ECM) -PROMInsecure PROM, ECM
P1626Immobilizer control module -fuel enable signalIncorrect 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 Battery voltage -high/low Wiring, alternator, ECM
P1635Sensor supply voltage -circuit A malfunctionWiring 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
P1640Engine control module quad driver/output driverWiring, ECM controlled components, ECM
P1641Engine coolant blower motor relay 1 – circuit malfunctionWiring open circuit/short circuit to ground/ short circuit to positive, supply wire, engine coolant blower motor relay 1, ECM
P1642Engine coolant blower motor relay 2 -circuit malfunctionWiring open circuit/short circuit to groundl short circuit to positive, supply wire, engine coolant blower motor relay 2, ECM
P1643Engine speed output circuit – circuit malfunctionWiring open circuit/short circuit to ground/ short circuit to positive, ECM
 P1645 Supercharger (SC) control valve solenoid -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, SC control valve solenoid, ECM
 P1646 Supercharger (SC) control valve solenoid -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, SC control valve solenoid, ECM
 P1650 Engine control module, quad driver/output driver Wiring, ECM controlled components, ECM
 P1651 Engine coolant blower motor relay 1 -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, supply wire, engine coolant blower motor relay 1, ECM
P1652Vehicle speed output signal – circuit malfunctionWiring open circuit/short circuit to ground/ short circuit to positive, instrument panel, ECM
 P1653 Engine oil level warning lamp -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, instrument panel, ECM
P1654 A/C compressor clutch relay -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, supply wire, AlC compressor clutch relay, ECM
P1655 Evaporative emission (EVAP) canister purge valve -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, supply wire, EVAP canister purge valve, ECM
P1661Malfunction indicator lamp (MIL) -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, MIL lamp bulb, ECM
P1662Cruise control inhibit circuit -circuit malfunctionWiring open circuit/short circuit to ground, cruise control motor/actuator, cruise control module, ECM
P1663Engine oil level warning lamp -circuit malfunctionWiring open circuit/short circuit to ground/short circuit to positive, engine oil level lamp bulb, ECM
P1665Evaporative emission (EVAP) canister vent valve -circuit malfunctionWiring open circuit/short circuit to groundl short circuit to positive, supply wire, EVAP canister vent valve, ECM
P1667Fuel pump control module -circuit malfunctionWiring open circuit/short circuit to ground’ short circuit to positive, supply wire, fuel pump control module, ECM, fuel pump relay
P1670Engine control module quad driver/output driverWiring, ECM controlled components, ECM
P1671Malfunction indicator lamp (MIL) -circuit malfunctionWiring open circuit/short circuit to ground’ short circuit to positive, supply wire, ECM
P1673Engine coolant ‘hot’ warning lamp -circuit malfunctionWiring open circuit/short circuit to ground, cooling system, ECM
P1672Engine oil level warning lamp -circuit malfunctionWiring open circuit/short circuit to ground’ short circuit to positive, supply wire, ECM
P1675Evaporative emission (EVAP) canister vent valve -circuit malfunctionWiring open circuit/short circuit to ground’ short to positive, EVAP canister vent valve, ECM
P1676Evaporative emission (EVAP) canister purge valve -circuit malfunctionWiring open circuit/short circuit to ground’ short circuit to positive, supply wire, EVAP canister purge valve, ECM
P1860Torque converter clutch (TCC) solenoid -circuit malfunctionWiring open circuit/short circuit to ground, TCC solenoid, ECM
P1689Traction control system (TCS) -delivered torque output circuitWiring open circuit/short circuit to ground’ short circuit to positive, supply wire, ASS trouble codes stored, ECM
U1016Instrument panel, CAN data bus -communication malfunctionWiring open circuit/short circuit to ground’ short circuit to positive, instrument panel, ECM
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