GM GM 93 4.6L VIN 9 Trouble Code Info

GM

93 4.6L VIN 9
Trouble Code Fault Location Probable Cause
P012 Ignition control module (ICM) -4X reference circuit malfunction Wiring open circuit/short circuit to ground/short circuit to positive, ICM, ECM
P013 Heated oxygen sensor (H02S) 2, bank 1 -open circuit Wiring open circuit/short circuit to ground/short circuit to positive, H02S, ECM
P014 Engine coolant temperature (ECT) sensor -short circuit Wiring short circuit to ground, ECT sensor, ECM
P015 Engine coolant temperature (ECT) sensor -open circuit Wiring open circuit, ECT sensor, ECM
P016 Battery voltage -high/low Wiring, alternator, ECM
P017 Heated oxygen sensor (H02S) 1, bank 2 -open circuit Wiring open circuit/short circuit to ground/ short circuit to positive, H02S, ECM
P019 Fuel pump circuit -short circuit Wiring short circuit to positive, fuel pump relay, engine oil pressure warning lamp switch
P020 Fuel pump circuit -open circuit Wiring open circuit/short circuit to ground, fuel pump relay, fuel pump, engine oil pressure warning lamp switch, engine oil pressure too low
P021 Throttle position (TP) sensor -voltage high Wiring open circuit/short circuit to positive, TP sensor, ECM
P022 Throttle position (TP) sensor -voltage low Wiring open circuit/short circuit to ground, TP sensor, ECM
P023 Ignition control module (ICM) -circuit malfunction Wiring open circuit/short circuit to positive, ICM
P024 Vehicle speed sensor (VSS) Wiring open circuit/short circuit to ground, VSS, ECM
P025 Ignition control module (lCM) -24X signal circuit malfunction Wiring open circuit/short circuit to ground, ICM, ECM
P026 Closed throttle position (CTP) switch -short circuit Wiring short circuit to ground, ISC actuator, ECM
P027 Closed throttle position (CTP) switch -open circuit Wiring open circuit, ISC actuator, ECM
P028 Transmission pressure switch -circuit malfunction Wiring open circuit/short circuit to ground, transmission pressure switch, ECM
P029 Shift solenoid (SS) B Wiring open circuit/short circuit to ground, transmission mechanical fault, SS, ECM
P030 Idle speed (ISC) actuator Wiring open circuit/short circuit to ground, throttle valve tight/sticking, ISC actuator, ECM
P031 Manifold absolute pressure (MAP) sensor -short circuit Wiring short circuit to positive, hose blocked/leaking, MAP sensor, ECM
P032 Manifold absolute pressure (MAP) sensor -open circuit Wiring open circuit/short circuit to ground, MAP sensor, ECM
P033 Brake pedal position switch (BPP) -extended travel contacts -circuit malfunction Wiring open circuit/short circuit to ground/ positive
P034 Manifold absolute pressure (MAP) sensor – voltage high Wiring open circuit/short circuit to positive, vacuum leak, MAP sensor, ECM
P035 Ignition control module (ICM) -reference low circuit malfunction Wiring open circuit/short circuit to positive, ICM, ECM
P036 Exhaust gas recirculation (EGR) solenoid position sensor Wiring open circuit/short circuit to ground/short circuit to positive, EGR valve, ECM
P037 Intake air temperature (IAT) sensor -short circuit Wiring short circuit to ground, IAT sensor, ECM
P038 Intake air temperature (IAT) sensor -open circuit Wiring open circuit, IAT sensor, ECM
P039 Torque converter clutch (TCC) -not engaging Wiring open circuit/short circuit to ground, BPP switch for TCC, supply wire, TCC solenoid, transmission mechanical fault, ECM
P040 Power steering pressure (PSP) switch -open circuit Wiring open circuit/short circuit to ground, PSP switch, ECM
P041 Ignition control module (ICM) -camshaft position (CMP) signal Wiring open circuit/short circuit to ground, CMP sensor, ICM, ECM
P042 Heated oxygen sensor (H02S) 1, bank 2 – mixture lean Wiring short circuit to ground, injector(s) blocked, fuel contamination, fuel pressure low, exhaust system leaking, H02S
P043 Heated oxygen sensor (H02S) 1, bank 2 – mixture rich Wiring open circuit, fuel pressure high, injector(s) leaking, H02S contamination,EVAP canister purge valve, TP sensor, EGR system, H02S
P044 Heated oxygen sensor (H02S) 2, bank 1 – mixture lean Wiring short circuit to ground, injector(s) blocked, fuel contamination, fuel pressure low, exhaust system leaking, H02S
P045 Heated oxygen sensor (H02S) 2, bank 1 -mixture rich Wiring open circuit, fuel pressure high,injector(s) leaking, H02S contamination, EVAP canister purge valve, TP sensor, EGR system, H02S
P046 Long term fuel trim -imbalance bank 1/bank 2 Injector(s) leaking, H02S, intake/exhaust, system leaking
P047 Body control module (BCM), CAN data bus -communication malfunction Wiring, BCM
P048 Exhaust gas recirculation (EGR) system Wiring open circuit/short circuit to ground, EGR system blocked, EGR valve, ECM
P051 Engine control module (ECM) -PROM Insecure PROM, incorrect PROM, ECM
P052 Engine control module (ECM) -memory reset Battery disconnected, wiring
P053 Ignition control module (ICM) -4X reference circuit malfunction Wiring open circuit/short circuit to ground, ICM, ECM
P055 Closed throttle position (CPT) -range Throttle valve tight/sticking, ISC actuator,TP sensor, cruise control cable
P056 Turbine shaft speed (TSS) sensor -circuit malfunction Wiring, TSS sensor, ECM
P057 Transmission fluid temperature (TFT) sensor -short circuit Wiring short circuit to ground, TFT sensor, ECM
P058 Immobilizer control module -fuel enable signal Wiring open circuit/short circuit to ground, immobilizer control module, ECM
PO59 Transmission fluid temperature (TFT) sensor -open circuit Wiring open circuit, TFT sensor, ECM
P060 Park/neutral input with cruise control engaged Driver error, wiring open circuit/short circuit to ground, TFP switch
P061 Cruise control vent solenoid Wiring open circuit/short circuit to groundl short circuit to positive, cruise control vent solenoid, cruise control servo, ECM
P062 Cruise control vacuum solenoid Wiring open circuit/short circuit to groundl short circuit to positive, cruise control vacuum solenoid, cruise control servo, ECM
P063 Cruise control -set speed/vehicle speed mismatch Wiring open circuit/short circuit to groundl short circuit to positive, hoses leaking, cruise control servo, ECM
P064 Cruise control -acceleration too high Slippery road conditions
P065 Cruise control servo position sensor -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, cruise control servo, ECM
P066 Cruise control -engine speed too high Slippery road conditions, transmission mechanical fault
P067 , Cruise control switch -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, cruise control switch, ECM
P068 Cruise control servo position sensor -range Wiring, hoses blockedlleaking, brake pedal vacuum valve, cruise control servo, ECM
P069 Cruise control disabled -traction control system active (TCS) active Slippery road conditions
P070 Throttle position (TP) sensor -intermittent signal Wiring open circuit/short circuit to groundl short circuit to positive, TP sensor
P071 Manifold absolute pressure (MAP) sensor -intermittent signal Wiring open circuit/short circuit to groundl short circuit to positive, MAP sensor
P073 Engine coolant temperature (ECT) sensor -intermittent signal Wiring open circuit/short circuit to groundl short circuit to positive, ECT sensor
P074 Intake air temperature (IAT) sensor -intermittent signal Wiring open circuit/short circuit to groundl short circuit to positive, IAT sensor
P075 Vehicle speed sensor (VSS) -circuit malfunction Wiring open circuit/short circuit, VSS
P076 Transmission pressure control (PC) solenoid -circuit malfunction Wiring, PC solenoid, ECM
PO8O Throttle position (TP) sensor -idle learned incomplete TP sensor/idle learn  procedure not completed
PO81 Camshaft position (CMP) sensor/4X reference circuit -signal variation Electromagnetic interference, wiring, CMP sensor, mechanical fault
P083 Ignition control module (ICM) -24X reference circuit malfunction Wiring open circuit/short circuit/short circuit to positive, CKP sensor(s), ICM, ECM
P085 Idle throttle angle -too high throttle valve tight/sticking, TP sensor, ISC actuator
P086 Transmission gear ratio TSS sensor, VSS, transmission mechanical fault, ECM
P088 Torque converter clutch (TCe) -stuck ON Wiring short circuit to ground, transmission internal wiring, TCC solenoid, ECM
P089 Extended shift -adaptation limit reached Transmission mechanical fault
P090 Brake pedal position (BPP) switch for torque converter clutch (TCC) Wiring open circuit/short circuit to ground, incorrectly adjusted, BPP switch, ECM .
P091 Transmission range (TR) switch -circuit malfunction Wiring open circuit/short circuit to ground, incorrectly adjusted, TR switch, ECM
P093 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
P094 Shift solenoid (SS) A -ratio problem Wiring open circuit/short circuit to ground, SS, transmission mechanical fault, ECM
P095 Engine stall or near stall detected ECM trouble code(s) stored, wiring, mechanical fault, transmission mechanical fault
P096 Torque converter clutch (TCC) -over-stressed ECM trouble codes stored, driver error
P097 Transmission shifted from PIN to D/R at high throttle angle Driver error, wiring, TR switch
P099 Cruise control servo -position high after disengagement Wiring, throttle valve tight/sticking, cruise control servo
P102 Brake servo vacuum sensor -short circuit Wiring open circuit/short circuit to positive, brake servo vacuum sensor, ECM
P103 Brake servo vacuum sensor -open circuit Wiring open circuit/short circuit to ground, brake servo vacuum sensor, ECM
P105 Brake servo vacuum sensor -voltage low Wiring short circuit to ground, brake servo vacuum sensor, ECM
P106 Brake pedal position (BPP) switch, brake lamps -circuit malfunction Wiring, BPP switch
P110 Alternator ‘L’ terminal -circuit malfunction Wiring open circuit/short circuit to ground, alternator, battery temperature sensor, ECM
P112 Engine control module (ECM) -EEPROM ECM
P117 Shift solenoid (SS) AlB -circuit malfunction Wiring open circuit/short circuit to ground, transmission mechanical fault, ECM
P0131 Knock sensor (KS) -test failure Wiring, KS incorrectly fitted, KS, ECM
P0132 Knock sensor (KS) -circuit malfunction Wiring open circuit/short circuit to ground/ short circuit to positive, KS incorrectly fitted, KS, insecure PROM, ECM
P0137 CAN data bus -antilock brake system (ABS)/ traction control system (TCS) Wiring, ABS control module trouble code(s) stored