OBD-II Codes applicable to 96-97 LT1 equipped F-body cars.
Some codes descriptions will not be the same for other models.
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DTC Description
P0100 Mass Air Flow (MAF) insufficient signal activity
P0101 Mass Air Flow (MAF) system performance
P0102 Mass Air Flow (MAF) sensor circuit low frequency
P0103 Mass Air Flow (MAF) sensor circuit high frequency
P0106 Manifold Absolute Pressure (MAP) system performance
P0107 Manifold Absolute Pressure (MAP) sensor circuit low voltage
P0108 Manifold Absolute Pressure (MAP) sensor circuit high voltage
P0112 Intake Air Temperature (IAT) sensor circuit low voltage
P0113 Intake Air Temperature (IAT) sensor circuit high voltage
P0117 Engine Coolant Temperature (ECT) sensor circuit low voltage
P0118 Engine Coolant Temperature (ECT) sensor circuit high voltage
P0121 Throttle Position (TP) sensor circuit insufficient signal activity
P0122 Throttle Position (TP) sensor circuit low voltage
P0123 Throttle Position (TP) sensor circuit high voltage
P0125 Engine Coolant Temperature (ECT) excessive time to closed loop
P0131 Heated Oxygen Sensor (HO2S) circuit low voltage Bank 1 Sensor 1 Bank 1 = LH or driver's side
P0132 Heated Oxygen Sensor (HO2S) circuit high voltage Bank 1 Sensor 1 Bank 2 = RH or passenger's side
P0133 Heated Oxygen Sensor (HO2S) slow response Bank 1 Sensor 1 Sensor 1 = before cat
P0134 Heated Oxygen Sensor (HO2S) insufficient signal activity Bank 1 Sensor 1 Sensor 2 = after cat
P0135 Heated Oxygen Sensor (HO2S) heater circuit Bank 1 Sensor 1
P0137 Heated Oxygen Sensor (HO2S) circuit low voltage Bank 1 Sensor 2
P0138 Heated Oxygen Sensor (HO2S) circuit high voltage Bank 1 Sensor 2
P0140 Heated Oxygen Sensor (HO2S) insufficient signal activity Bank 1 Sensor 2
P0141 Heated Oxygen Sensor (HO2S) heater circuit Bank 1 Sensor 2
P0151 Heated Oxygen Sensor (HO2S) circuit low voltage Bank 2 Sensor 1
P0152 Heated Oxygen Sensor (HO2S) circuit high voltage Bank 2 Sensor 1
P0153 Heated Oxygen Sensor (HO2S) slow response Bank 2 Sensor 1
P0154 Heated Oxygen Sensor (HO2S) insufficient signal activity Bank 2 Sensor 1
P0155 Heated Oxygen Sensor (HO2S) heater circuit Bank 2 Sensor 1
P0157 Heated Oxygen Sensor (HO2S) circuit low voltage Bank 2 Sensor 2
P0158 Heated Oxygen Sensor (HO2S) circuit high voltage Bank 2 Sensor 2
P0160 Heated Oxygen Sensor (HO2S) insufficient signal activity Bank 2 Sensor 2
P0161 Heated Oxygen Sensor (HO2S) heater circuit Bank 2 Sensor 2
P0171 Fuel trim system lean Bank 1
P0172 Fuel trim system rich Bank 1
P0174 Fuel trim system lean Bank 2
P0175 Fuel trim system rich Bank 2
P0200 Injector control circuit
P0300 Engine misfire detected
P0323 Distributor Ignition (DI) low resolution circuit intermittent
P0325 Knock Sensor (KM) module circuit
P0332 Knock Sensor (KS) circuit high/low voltage
P0335 Crankshaft Position (CKP) sensor circuit
P0336 Crankshaft Position (CKP) sensor circuit performance
P0372 Distributor Ignition (DI) high resolution circuit
P0400 Exhaust Gas Recirculation (EGR) system
P0403 Exhaust Gas Recirculation (EGR) solenoid control circuit
P0410 Secondary Air Injection (AIR) system
P0412 Secondary Air Injection (AIR) system control circuit
P0420 Three Way Catalytic Converter (TWC) system low efficiency Bank 1
P0430 Three Way Catalytic Converter (TWC) system low efficiency Bank 2
P0441 Evaporative Emissions (EVAP) system no flow (during purge)
P0443 Evaporative Emissions (EVAP) purge solenoid control circuit
P0500 Vehicle Speed Sensor (VSS) circuit (manual transmission only)
P0506 Idle system low/Idle Air Control (IAC) valve responding
P0507 Idle system high/Idle Air Control (IAC) valve responding
P0530 A/C refrigerant pressure sensor circuit
P0531 A/C refrigerant pressure sensor circuit performance
P0562 System voltage low
P0563 System voltage high
P0601 PCM memory
P0602 PCM not programmed
P1107 Manifold Absolute Pressure (MAP) sensor circuit intermittent low voltage
P1111 Intake Air Temperature (IAT) sensor circuit intermittent high voltage
P1112 Intake Air Temperature (IAT) sensor circuit intermittent low voltage
P1114 Engine Coolant Temperature (ECT) sensor circuit intermittent low voltage
P1115 Engine Coolant Temperature (ECT) sensor circuit intermittent high voltage
P1121 Throttle Position (TP) sensor circuit intermittent high voltage
P1122 Throttle Position (TP) sensor circuit intermittent low voltage
P1133 Heated Oxygen Sensor (HO2S) insufficient switching Bank 1 sensor 1
P1134 Heated Oxygen Sensor (HO2S) transition time ratio Bank 1 sensor 1
P1153 Heated Oxygen Sensor (HO2S) insufficient switching Bank 2 sensor 1
P1154 Heated Oxygen Sensor (HO2S) transition time ratio Bank 2 sensor 1
P1171 Fuel system lean during acceleration
P1222 Injector control circuit intermittent
P1351 Ignition Control (IC) circuit high voltage (open circuit)
P1361 Ignition Control (IC) circuit high voltage (shorted or grounded circuit)
P1371 Distributor Ignition (DI) low resolution circuit
P1380 EB(T)CM DTC detected-rough road data unusable
P1381 Misfire detected-no EB(T)CM/PCM serial data
P1415 Secondary Air Injection (AIR) system Bank 1
P1416 Secondary Air Injection (AIR) system Bank 2
P1441 Evaporative Emissions (EVAP) system flow during non-purge
P1506 Idle Air Control (IAC) system low RPM
P1509 Idle Air Control (IAC) system high RPM
P1532 A/C Evaporator Temperature sensor circuit low voltage
P1533 A/C Evaporator Temperature sensor circuit high voltage
P1539 A/C clutch status circuit high voltage
P1543 A/C system performance
P1545 A/C clutch relay control circuit
P1546 A/C clutch status circuit low voltage
P1572 Traction Control System (ASR/TCS) active circuit low voltage too long
P1626 Theft deterrent system fuel enable circuit
P1641 Fan Control (FC) relay 1 control circuit
P1642 Fan Control (FC) relay 2 and 3 control circuit
P1643 Engine speed (RPM) output circuit
P1652 Vehicle Speed Sensor (VSS) output circuit
P1657 Skip shift/One to four upshift system control circuit
P1661 Malfunction Indicator Lamp (MIL) control circuit
P1664 Skip shift/One to four upshift upshift lamp control circuit
P1667 Reverse inhibit solenoid control circuit