Engine Performance - 3.8L DTCS
ENGINE PERFORMANCE - 3.8L DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Definition |
|---|---|
| P0101 | MAF System Performance |
| P0102 | MAF Sensor Circuit - Low Frequency |
| P0103 | MAF Sensor Circuit - High Frequency |
| P0107 | MAP Sensor Circuit - Low Voltage |
| P0108 | MAP Sensor Circuit - High Voltage |
| P0112 | IAT Sensor Circuit - Low Voltage |
| P0113 | IAT Sensor Circuit - High Voltage |
| P0117 | ECT Sensor Circuit - Low Voltage |
| P0118 | ECT Sensor Circuit - High Voltage |
| P0121 | TP Sensor Performance |
| P0122 | TP Sensor Circuit - Low Voltage |
| P0123 | TP Sensor Circuit - High Voltage |
| P0125 | ECT Excessive Time To Enter Closed Loop Fuel Control |
| P0128 | ECT Less Than Thermostat Regulating Temperature |
| P0131 | HO2S Circuit Low Voltage - Bank 1, Sensor 1 |
| P0132 | HO2S Circuit High Voltage - Bank 1, Sensor 1 |
| P0133 | HO2S Slow Response - Bank 1, Sensor 1 |
| P0134 | HO2S Circuit Insufficient Activity - Bank 1, Sensor 1 |
| P0135 | HO2S Heater Performance - Bank 1, Sensor 1 |
| P0137 | HO2S Circuit Low Voltage - Bank 1, Sensor 2 |
| P0138 | HO2S Circuit High Voltage - Bank 1, Sensor 2 |
| P0140 | HO2S Circuit Insufficient Activity - Bank 1, Sensor 2 |
| P0141 | HO2S 2 Heater Performance - Bank 1, Sensor 2 |
| P0171 | Fuel Trim System Lean - Bank 1 |
| P0172 | Fuel Trim System Rich - Bank 1 |
| P0201 | Injector No. 1 Control Circuit |
| P0202 | Injector No. 2 Control Circuit |
| P0203 | Injector No. 3 Control Circuit |
| P0204 | Injector No. 4 Control Circuit (Except Camaro & Firebird) |
| P0205 | Injector No. 5 Control Circuit (Except Camaro & Firebird) |
| P0206 | Injector No. 6 Control Circuit (Except Camaro & Firebird) |
| P0230 | Fuel Pump Relay Control Circuit |
| P0300 | Engine Misfire Detected |
| P0325 | Knock Sensor Module Circuit |
| P0327 | Knock Sensor Circuit - Bank 1 (Except Camaro & Firebird) |
| P0332 | Knock Sensor Circuit - Bank 2 (Grand Prix, Impala, Monte Carlo & Regal) |
| P0336 | Crankshaft Position (CKP) Sensor Circuit |
| P0341 | Camshaft Position (CMP) Sensor Performance |
| P0401 | EGR System Insufficient Flow |
| P0403 | EGR Solenoid Control Circuit |
| P0404 | EGR Open Position Performance |
| P0405 | EGR Position Sensor Circuit - Low Voltage |
| P0410 | Secondary Air Injection (AIR) System (Except Camaro & Firebird) |
| P0412 | Secondary Air Injection (AIR) Solenoid Relay Control Circuit (Except Camaro & Firebird) |
| P0413 | Secondary Air Injection (AIR) Pump Relay Control Circuit (Except Camaro & Firebird) |
| P0420 | Catalyst System Low Efficiency |
| P0440 | EVAP System |
| P0442 | EVAP Control System Small Leak Detected |
| P0443 | EVAP Purge Solenoid Control Circuit |
| P0446 | EVAP Vent System Performance |
| P0449 | EVAP Canister Vent Solenoid Valve Control Circuit |
| P0452 | Fuel Tank Pressure Sensor Circuit - Low Voltage (Grand Prix, Impala, Monte Carlo & Regal) |
| P0453 | Fuel Level Pressure Sensor Circuit - High Voltage (Grand Prix, Impala, Monte Carlo & Regal) |
| P0462 | Fuel Level Sensor Circuit - Low Voltage (Impala, Grand Prix, Monte Carlo & Regal) |
| P0463 | Fuel Level Sensor Circuit - High Voltage (Grand Prix, Impala, Monte Carlo & Regal) |
| P0480 | Cooling Fan Relay No. 1 Control Circuit |
| P0481 | Cooling Fan Relay No. 2 & 3 Control Circuit |
| P0530 | A/C Refrigerant Pressure Sensor Circuit |
| P0560 | System Voltage |
| P0601 | Control Module Read Only Memory (ROM) |
| P0602 | Control Module Not Programmed |
| P0604 | Control Module Random Access Memory (RAM) |
| P0606 | Control Module Internal Performance |
| P0620 | Generator Performance (Except Camaro, Firebird & Regal) |
| P0650 | Malfunction Indicator Light (MIL) Control Circuit (Impala, Monte Carlo & Regal) |
| P1106 | MAP Sensor Circuit Intermittent - High Voltage |
| P1107 | MAP Sensor Circuit Intermittent - Low Voltage |
| P1111 | IAT Sensor Circuit Intermittent High Voltage |
| P1112 | IAT Sensor Circuit Intermittent Low Voltage |
| P1114 | ECT Sensor Circuit Intermittent Low Voltage |
| P1115 | ECT Sensor Circuit Intermittent High Voltage |
| P1121 | TP Sensor Circuit Intermittent High Voltage (Except Camaro & Firebird) |
| P1122 | TP Sensor Circuit Intermittent Low Voltage (Except Camaro & Firebird) |
| P1133 | HO2S Insufficient Switching - Bank 1, Sensor 1 (Except Camaro & Firebird) |
| P1134 | HO2S Transition Time Ratio - Bank 1, Sensor 1 (Except Camaro & Firebird) |
| P1189 | Engine Oil Pressure (EOP) Switch Performance (Impala & Monte Carlo) |
| P1336 | CKP System Variation Not Learned |
| P1351 | Ignition Control (IC) Circuit - High Voltage |
| P1352/P1352 | Ignition By-Pass Circuit - High Voltage |
| P1361 | Ignition Control (IC) Circuit - Low Voltage |
| P1362 | Ignition By-Pass Circuit - Low Voltage |
| P1374 | Crankshaft Position (CKP) High-To-Low Resolution Frequency Correlation |
| P1380 | Misfire Detected - Rough Road Data Not Available |
| P1381 | Misfire Detected - No Communication With Brake Control Module |
| P1404 | EGR Closed Position Performance |
| P1441 | EVAP System Flow During Non-Purge |
| P1554 | Cruise Control Feedback Circuit |
| P1571 | Traction Control System (TCS) Torque Request Circuit (Except Camaro & Firebird) |
| P1585 | Cruise Control Inhibit Output Circuit (Except Camaro & Firebird) |
| P1602 | Lost Communications With EBTCM System (Impala & Monte Carlo) |
| P1610 | Lost Communications With BCM (Impala & Monte Carlo) |
| P1626 | Theft Deterrent Fuel Enable Signal Lost (Impala, LeSabre, Monte Carlo, Park Avenue & Regal) |
| P1630 | Theft Deterrent Learn Mode (Bonneville, Impala, LeSabre, Monte Carlo, Park Avenue & Regal) |
| P1631 | Theft Deterrent Start Enable Signal Incorrect (Bonneville, Impala, LeSabre, Monte Carlo, Park Avenue & Regal) |
| P1635 | 5-Volt Reference No. 1 Circuit (Grand Prix, Impala, Monte Carlo & Regal) |
| P1639 | 5-Volt Reference "B" Circuit (Grand Prix, Impala, Monte Carlo & Regal) |
| P1689 | Traction Control Delivered Torque Output Circuit |