GM OBD/OBD2 Codes >> GM Cutlass Ciera/Cruiser/Supreme

GM

Various Models
Flash codeFault locationProbable cause
12Start of diagnosisNo engine speed (RPM) signal received
13Oxygen sensor (02S)/heated oxygen sensor (H02S)Wiring open circuit, oxygen sensor(02S)/ heated oxygen sensor (H02S), ECM
14Engine coolant temperature (ECT) sensor -high temperature indicatedWiring short circuit to ground, ECT sensor, ECM
15Engine coolant temperature (ECT) sensor -low temperature indicatedWiring open circuit, ECT sensor, ECM
16Battery voltage -lowWiring; alternator
17Camshaft position (CMP) sensorWiring open circuit/short circuit to ground/ short circuit to positive, CMP sensor, mechanical fault, ECM
19Ignition control module (ICM) -7X reference circuit malfunctionWiring, CKP sensor, PROM, ECM
21Throttle position (TP) sensor -voltage highWiring open circuit/short circuit to positive, TP sensor, ECM
22Throttle position (TP) sensor -voltage lowWiring open circuit/short circuit to ground, TP sensor, ECM
23Intake air temperature (IAT) sensor -low temperature indicatedWiring open circuit, IAT sensor, ECW.
24Vehicle speed sensor (VSS)Wiring open circuit/short circuit to ground, VSS, ECM
25Intake air temperature (IAT) sensor -high temperature indicatedWiring short circuit to ground, IAT sensor, ECM
26Engine control module quad driver/output driverWiring, ECM controlled components, ECM
27Engine control module quad driver/output driverWiring, ECM controlled components, ECM
28 (Cutlass Ciera/Cruiser 2.2L 1994)Engine control module quad driver/output driverWiring, ECM controlled components, ECM
29Engine control module quad driver/output driverWiring, ECM controlled components, ECM
31Park/neutral position (PNP) switchWiring short circuit to ground, incorrectly adjusted, PNP switch, ECM
32Exhaust gas recirculation (EGR) solenoidWiring open circuit/short circuit to ground, supply wire, EGR valve, ECM
33Manifold absolute pressure (MAP) sensor -voltage high, low vacuum indicatedWiring short circuit to positive, hose blocked/leaking, MAP sensor, ECM
34Manifold absolute pressure (MAP) sensor -voltage low, high vacuum indicatedWiring open circuit/short circuit to ground, MAP sensor, ECM
35Idle air control (lAC) valveWiring open circuit/short circuit to ground/short circuit to positive, lAC valve, intake system leaking, fuel system, PCV valve, A/C system, mechanical fault, ECM
3624X crankshaft position sensor (CKP) -circuit malfunctionWiring open circuit/short circuit to ground, 24X CKP sensor, ECM
37Brake pedal position (BPP) switchWiring open circuit/short circuit to grounc incorrectly adjusted, BPP switch, ECM
39Clutch pedal position (CPP) switchWiring open circuit/short circuit to ground incorrectly adjusted, CPP switch, ECM
41 (Cutlass Supreme – VIN T (except California)/X)Engine control module (ECM) -PROMinsecure PROM, incorrect PROM
41 (Cutlass Supreme – VIN M)Ignition control module (lCM) -circuit malfunctionWiring open circuit, ignition control module (ICM), ECM
42Ignition control module (ICM) -circuit malfunctionWiring open circuit/short circuit to ground, ignition control module (ICM), ECM
43Knock sensor (KS)Wiring open circuit/short circuit to ground/ short circuit to positive, KS incorrectly fitted, KS, insecure PROM, ECM
44Oxygen sensor (02S)/heated oxygen sensor (H02S) -mixture leanWiring open circuit/short circuit to ground, injector(s) blocked, fuel contamination, fuel pressure low, exhaust system leaking, 02S/H02S, ECM
45Oxygen sensor (02S)/heated oxygen sensor (H02S) -mixture richWiring open circuit, fuel pressure high, injector(s) leaking, 02S contamination, evaporative emission (EVAP) canister purge valve, throttle position (TP) sensor, EGR system, 02S/H02S, ECM
46Immobilizer control module -fuel enable signalIncorrect ignition key, wiring open circuit/ short circuit to ground/short circuit to positive, immobilizer control module, ECM
51Engine control module (ECM) -PROMInsecure PROM, incorrect PROM, ECM
52Engine control module (ECM)ECM
53Battery voltage -high/lowWiring, alternator
54Fuel pump circuit -voltage lowWiring open circuit/short circuit to ground, fuel pump relay, engine oil pressure warning lamp switch
55 (Cutlass Ciera/Cruiser 2.2L 1994)Fuel system -lean during accelerationFuel filter, fuel pump, H02S, injectors
58Transmission fluid temperature (TFT) sensor -voltage lowWiring short circuit to ground, TFT sensor, ECM
59Transmission fluid temperature (TFT) sensor -voltage highWiring open circuit, TFT sensor, ECM
61Oxygen sensor (02S)/heated oxygen sensor (H02S)Oxygen sensor (02S)/heated oxygen sensor (H02S)
62Transmission gear switch signal circuitWiring open circuit/short circuit to ground, 2nd gear switch, 3rd gear switch, ECM
65Injectors -circuit malfunctionWiring open circuit/short circuit to ground/ short circuit to positive, injectors, ECM
66A/C refrigerant pressure sensor -voltage lowWiring open circuit/short circuit to ground/ short circuit to positive, A/C refrigerant pressure sensor, ECM
70A/C refrigerant pressure sensor -voltage highWiring open circuit/short circuit to positive, A/C refrigerant pressure sensor, ECM
72Vehicle speed sensor (VSS)Wiring open circuit/short circuit to ground, VSS, ECM
75Exhaust gas recirculation (EGR) valve solenoid 1Wiring open circuit/short circuit to ground, supply wire, EGR valve, ECM
76Exhaust gas recirculation (EGR) valve solenoid 2Wiring open circuit/short circuit to ground, supply wire, EGR valve, ECM
77Exhaust gas recirculation (EGR) valve solenoid 3Wiring open circuit/short circuit to ground, supply wire, EGR valve, ECM
79 (Cutlass Supreme – VIN M)Transmission fluid temperature (TFT) -highTransmission mechanical fault, towing
79 (Cutlass Supreme – VIN T (California))Vehicle speed sensor (VSS) -highWiring, VSS weight limit exceeded
80 (Cutlass Supreme – VIN T (California))Vehicle speed sensor (VSS) -lowWiring, VSS
80 (Cutlass Supreme – VIN M)Torque converter clutch (TCC) -slippingWiring open circuit/short circuit to ground, supply wire, transmission internal wiring, TCC solenoid, transmission mechanical fault, ECM
82Ignition control module (ICM) -3X reference circuit malfunctionWiring open circuit/short circuit to ground, 3X CKP signal sensor, ICM
85Engine control module (ECM) -PROMInsecure PROM, incorrectly coded
85Engine control module (ECM) -PROMInsecure PROM, incorrectly coded
86Engine control module (ECM) -analogue/ digital converterA/C refrigerant pressure sensor/knock sensor (KS)/engine coolant temperature (ECT) sensor/fuel pump monitor circuit short circuit to battery voltage
87Engine control module (ECM) -EEPROMInsecure PROM, incorrectly coded
90Torque converter clutch (TCC) -stuck ONWiring open circuit/short circuit to ground transmission internal wiring, TCC solenoid, transmission mechanical fault, ECM
96Engine control module (ECM) -ignition supply voltage lowWiring open circuit, alternator, ECM
98Engine control module (ECM) -incorrectly codedECM incorrectly coded, ECM
99Engine control module (ECM) -incorrectly codedECM incorrectly coded, ECM
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