GM GM 00-02 4.8L VIN V Trouble Code Info

GM

00-02 4.8L VIN V
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
P1120 Throttle motor position sensor 1 -circuit malfunction Wiring, throttle control module
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
P1125 Accelerator pedal position (APP) sensor 1/2/ 3 -signal malfunction Wiring, APP sensor, ECM
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
P1153 Heated oxygen sensor (H02S) 1, bank 2 -insufficient switching Wiring, oxygen sensor heater, exhaust system leaking, H02S
P1154 Heated oxygen sensor (H02S) 1, bank 2 -slow response Wiring, oxygen sensor heater, exhaust system leaking, H02S
P1158 Heated oxygen sensor (H02S) 2, bank 2 -not switching, fuel trim (FT) rich mixture Wiring, exhaust system leaking, H02S
P1171 Fuel system -lean during acceleration Fuel filter, fuel pump, H02S, injectors
P1172 Fuel level sensors, primary and secondary -no fuel level change during fuel transfer from secondary to primary tank Wiring, fuel pump relays, secondary fuel pump, fuel level sensors, ECM
P1187 Engine oil temperature (EOT) sensor -voltage low Wiring open circuit/short circuit to ground, EOT sensor, ECM
P1188 Engine oil temperature (EOT) sensor -voltage high Wiring open circuit/short circuit to positive, EOT sensor, ECM
P1220 Throttle motor position sensor 2 -circuit malfunction Wiring, throttle control module
P1221 Throttle motor position sensor 1/2 -signal variation Wiring, throttle control module
P1222 Injector control, circuit monitor -malfunction Injector, Wiring
P1250 Intake manifold heater -circuit malfunction Wiring, intake manifold heater, intake manifold heater relay
P1258 Engine overheating Cooling system, ECT sensor
P1271 Accelerator pedal position (APP) sensor 1/2 -signal variation Wiring, APP sensor, ECM
P1272 Accelerator pedal position (APP) sensor 2/3 -signal variation Wiring, APP sensor, ECM
P1273 Accelerator pedal position (APP) sensor 1/3 -signal variation Wiring, APP sensor, ECM
P1275 Accelerator pedal position (APP) sensor 1 -circuit malfunction Wiring, APP sensor, ECM
P1276 Accelerator pedal position (APP) sensor 1 -range performance Wiring, APP sensor, ECM
P1280 Accelerator pedal position (APP) sensor 2 -circuit malfunction Wiring, APP sensor, ECM
P1281 Accelerator pedal position (APP) sensor 2 -range performance Wiring, APP sensor, ECM
P1285 Accelerator pedal position (APP) sensor 3 -circuit malfunction Wiring, APP sensor, ECM
P1286 Accelerator pedal position (APP) sensor 3 -range performance Wiring, APP sensor, ECM
P1336 Crankshaft position sensor (CKP) -variation not learned Learning procedure not performed
P1345 Crankshaft position sensor (CKP)/camshaft position sensor (CMP) -signal variation CKP sensor, distributor/camshaft alignment, mechanical fault
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 (Ie) 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
P1371 Ignition control reference signal, low/high resolution -low signal lost Wiring,ICM
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
P1404 Exhaust gas recirculation (EGR) valve -not fully closing Wiring, poor connections, EGR valve position sensor, EGR solenoid
P1406 Exhaust gas recirculation (EGR) valve position sensor -range performance Wiring, EGR valve tight/sticking, EGR valve position sensor
P1408 Manifold absolute pressure (MAP) sensor -voltage out range Wiring, poor connections, MAP sensor, ECM
P1410 Evaporative emission (EVAP) canister purge valve -circuit malfunction Wiring, poor connectios, EVAP canister vent valve, ECM
P1415 Secondary air injection (AIR) system, bank 1 Wiring, hoses blocked/leaking, AIR valve
P1416 Secondary air injection (AIR) system, bank 2 Wiring, hoses blocked/leaking, AIR valve
P1431 Fuel level sensor -circuit malfunction Wiring, fuel level sensor
P1432 Fuel level sensor -low voltage Wiring open circuit, fuel level sensor
P1433 Fuel level sensor -voltage high Wiring short circuit to positive, fuel level sensor
P1441 Evaporative emission (EVAP) system -leak detected Hose connection(s), EVAP canister, EVAP canister purge valve
P1442 Evaporative emission (EVAP) system vacuum switch -circuit malfunction Hoses blocked/leaking, wiring, EVAP canister, ECM
P1450 Barometric pressure (BARO) sensor -voltage out of range Wiring, BARO sensor, ECM
P1451 Barometric pressure (BARO) sensor -performance range Wiring, poor connections, BARO sensor, ECM
P1500 Ignition switch, cranking signal/ system voltage -circuit malfunction Wiring, poor connections, ECM
P1504 Engine control module (ECM), vehicle speed sensor (VSS) output signal -circuit malfunction Wiring, poor connections, ABS, ECM
P1508 Idle air control (lAC) valve -low rpm Wiring open circuit/short circuit to ground/ short circuit to positive, lAC valve, throttle valve tight/sticking
P1509 Idle air control (lAC) valve -high rpm Wiring open circuit/short circuit to ground/ short circuit to positive, lAC valve, throttle valve tight/sticking
P1510 Engine control module (ECM), KAM supply voltage -circuit malfunction Wiring, poor connections, ECM
P1514 Throttle control unit, intake air flow -excessive Throttle control unit, MAP sensor, CMP sensor signal, ECM
P1515 Throttle command/actual throttle position -signal variation Wiring, throttle valve sticking, throttle control module
P1516 Throttle command/actual throttle position -signal variation Wiring, throttle valve sticking, throttle control module
P1517 Throttle control module -malfunction Throttle control module
P1518 Throttle control module/engine control module (ECM) -communication malfunction Wiring, throttle control module, ECM
P1519 Throttle motor position sensor 1 -signal malfunction Throttle control module
P1520 Park/neutral position (PNP) switch -circuit malfunction Wiring short circuit to ground, PNP switch incorrectly adjusted
P1523 Throttle control unit, closed throttle position -performance Throttle valve movement restricted, throttls control unit
P1530 Ignition timing adjustment connector Wiring short circuit to ground, connector short to ground
P1532 A/C refrigerant temperature sensor -voltage low Wiring open circuit/short circuit to ground, A/C refrigerant temperature sensor, ECM
P1533 A/C refrigerant temperature sensor -voltage high Wiring open circuit/short circuit to ground, A/C refrigerant temperature sensor, ECM
P1539 A/C compressor clutch relay -voltage high Wiring, A/C compressor clutch relay, ECM
P1543 A/C system -performance Refrigerant low, wiring, A/C refrigerant pressure sensor, A/C evaporator temperature sensor, ECM
P1545 A/C compressor clutch relay -voltage low Wiring, A/C compressor clutch relay, ECM
P1546 A/C compressor clutch relay -circuit malfunction Wiring, 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 signal -malfunction Wiring, poor connections, ABSITCS
P1572 Traction control system (TCS), active signal -malfunction Wiring short to ground, ABS/TCS, ECM
P1574 Brake pedal position switch (BPP), voltage high Wiring, ABS
P1575 Brake pedal position switch (BPP), extended travel contacts -voltage high Wiring, ABS
P1586 Cruise control system, brake switch 2 -circuit malfunction Wiring, poor connections, BPP switch
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
P1621 Engine control module (ECM) -malfunction ECM
P1624 Engine control module (ECM) -memory performance 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 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
P1637 Alternator ‘L’ terminal -circuit malfunction Wiring open circuit/short circuit to ground, alternator, battery temperature sensor, ECM
P1638 Alternator ‘F’ terminal -circuit malfunction Wiring open circuit/short circuit to ground, alternator, ECM
P1639 Engine control module (ECM), sensor supply voltage -circuit malfunction Wiring, poor connections, fuel tank level sensor, ECM
P1641 Engine coolant blower motor relay 1 -circuit malfunction Wiring, engine coolant blower motor relay, ECM
P1642 Engine coolant blower motor relay 2 & 3 -circuit malfunction Wiring, engine coolant blower motor relay(s), ECM
P1643 Engine speed (RPM), engine control module (ECM) output signal -circuit malfunction Wiring, tachometer, ECM
P1644 Traction control system (TCS), delivered torque signal -malfunction Wiring, poor connections, ECM
P1651 Engine coolant blower motor relay 1 -circuit malfunction Wiring, engine coolant blower motor relay, ECM
P1652 Engine control module (ECM), firm suspension request signal -circuit malfunction Wiring, .poor connections, suspension control module, ECM
P1653 Fuel gauge, control signal -circuit malfunction Wiring, ECM
P1654 NC compressor clutch relay -circuit malfunction Wiring open circuit/short circuit to ground, AlC 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
P1657 Skip shift solenoid -circuit malfunction Wiring, skip shift solenoid, ECM
P1661 Malfunction indicator lamp (MIL) -circuit malfunction Wiring, MIL, ECM
P1662 Cruise control, inhibit output circuit -malfunction Wiring open circuit/short circuit to ground, cru.ise control motor/actuator, cruise control module, ECM
P1663 Alternator warning lamp, control signal -circuit malfunction Wiring, instrument panel, ECM
P1664 Skip shift warning lamp-circuit malfunction Wiring, skip shift warning lamp, ECM
P1665 Evaporative emission (EVAP) canister vent valve -circuit malfunction Wiring open circuit/short circuit to ground, EVAP canister vent valve, ECM
P1667 Reverse inhibit solenoid -circuit malfunction Wiring, reverse inhibit solenoid, 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
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
P1740 Cruise control system, overdrive disable signal -voltage low Wiring short to ground, ECM
P1781 Transmission control module (TCM), malfunction indicator lamp (MIL) request signal -voltage high/low Wiring TCM, ECM
P1810 Transmission gear pressure switch, signal -circuit malfunction Wiring open circuit/short circuit to ground, reverse/D1/D2/D3/D4 gear pressure switch(es), ECM
P1860 Torque converter clutch (TCC) solenoid, pulse width modulation (PWM) -circuit malfunction Wiring open circuit/short circuit to ground, TCC solenoid, ECM
P1870 Torque converter clutch (TCC) -slip speed excessive Transmission fluid level, wiring, TCC solenoid, ECM
P1875 Transmission, 4WD low selection signal circuit malfunction Wiring, transmission, four wheel drive control module, ECM
U1000 CAN data bus -communication malfunction Wiring, BCM, ECM, instrumentation control module, SOM
U1026 Transmission control module (TCM)/four wheel drive control module, CAN data bus communication malfunction Wiring, BCM
U1041 Antilock brake system (ABS)/traction control system (TCS), CAN data bus communication malfunction Wiring, ABS/TCS trouble codes stored
U1064 Body control module (BCM), CAN data bus communication malfunction Wiring, BCM
U1192 Engine control module (ECM)/immobilizer control module, CAN data bus -signal malfunction Wiring, immobilizer control module, ECM
U1193 Engine control module (ECM)/immobilizer control module, CAN data bus -signal malfunction Wiring, immobilizer control module, ECM
U1300 CAN data bus -signal low Wiring
U1301 CAN data bus -signal high Wiring