Engine Performance - 3.8L DTCS
ENGINE PERFORMANCE - 3.8L DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0101 | MASS AIR FLOW SENSOR PERFORMANCE |
| DTC P0102 | MAF SENSOR CIRCUIT - LOW FREQUENCY |
| DTC P0103 | MAF SENSOR CIRCUIT - HIGH FREQUENCY |
| DTC P0107 | MAP SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0108 | MAP SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0112 | IAT SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0113 | IAT SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0116 | ECT SENSOR PERFORMANCE |
| DTC P0117 | ECT SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0118 | ECT SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0125 | EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROL |
| DTC P0128 | ECT LESS THAN THERMOSTAT REGULATING TEMPERATURE |
| DTC P0130 | HO2S CIRCUIT SENSOR 1 |
| DTC P0131 | HO2S CIRCUIT - LOW VOLTAGE - BANK 1, SENSOR 1 |
| DTC P0132 | HO2S CIRCUIT - HIGH VOLTAGE - BANK 1, SENSOR 1 |
| DTC P0133 | HO2S CIRCUIT - SLOW RESPONSE - BANK 1, SENSOR 1 |
| DTC P0134 | HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 1, SENSOR 1 |
| DTC P0135 | HO2S HEATER CIRCUIT - BANK 1, SENSOR 1 |
| DTC P0137 | HO2S CIRCUIT - LOW VOLTAGE - BANK 1, SENSOR 2 |
| DTC P0138 | HO2S CIRCUIT - HIGH VOLTAGE - BANK 1, SENSOR 2 |
| DTC P0140 | HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 1, SENSOR 2 |
| DTC P0141 | HO2S HEATER CIRCUIT - BANK 1, SENSOR 2 |
| DTC P0150 | HO2S CIRCUIT - BANK 2, SENSOR 1 |
| DTC P0151 | HO2S CIRCUIT - LOW VOLTAGE - BANK 2, SENSOR 1 |
| DTC P0152 | HO2S CIRCUIT - HIGH VOLTAGE - BANK 2, SENSOR 1 |
| DTC P0153 | HO2S CIRCUIT - SLOW RESPONSE - BANK 2, SENSOR 1 |
| DTC P0154 | HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 2, SENSOR 1 |
| DTC P0155 | HO2S HEATER CIRCUIT - BANK 2, SENSOR 1 |
| DTC P0171 & P0174 | FUEL TRIM SYSTEM LEAN - BANK 1 & 2 |
| DTC P0172 & P0175 | FUEL TRIM SYSTEM RICH - BANK 1 & 2 |
| DTC P0201, P0202, P0203, P0204, P0205, P0206 | FUEL INJECTOR CONTROL CIRCUITS |
| DTC P0230 | FUEL PUMP CONTROL RELAY CIRCUIT |
| DTC P0300 | ENGINE MISFIRE DETECTED |
| DTC P0325 | KNOCK SENSOR MODULE CIRCUIT |
| DTC P0327 & P0332 | KNOCK SENSOR 1 OR 2 - LOW VOLTAGE |
| DTC P0336 | CRANKSHAFT POSITION SENSOR CIRCUIT PERFORMANCE |
| DTC P0341 | CAMSHAFT POSITION SENSOR CIRCUIT PERFORMANCE |
| DTC P0401 | EGR INSUFFICIENT FLOW DETECTED |
| DTC P0403 | EGR SOLENOID CONTROL CIRCUIT |
| DTC P0404 | EGR SYSTEM |
| DTC P0405 | EGR SENSOR CIRCUIT LOW VOLTAGE |
| DTC P0420 | TWC SYSTEM - LOW EFFICIENCY |
| DTC P0440 | EVAP SYSTEM - LARGE LEAK |
| DTC P0442 | EVAP SYSTEM - SMALL LEAK |
| DTC P0443 | EVAP PURGE VALVE CONTROL CIRCUIT |
| DTC P0446 | EVAP VENT VALVE PERFORMANCE |
| DTC P0449 | EVAP VENT VALVE PERFORMANCE |
| DTC P0452 | FUEL TANK PRESSURE SENSOR - LOW VOLTAGE |
| DTC P0453 | FUEL TANK PRESSURE SENSOR - HIGH VOLTAGE |
| DTC P0500 | VEHICLE SPEED SENSOR (M/T) |
| DTC P0502 | VEHICLE SPEED SENSOR LOW OUTPUT (A/T) |
| DTC P0503 | VEHICLE SPEED SENSOR ERRATIC (A/T) |
| DTC P0506 | IDLE CONTROL SYSTEM - LOW RPM |
| DTC P0507 | IDLE CONTROL SYSTEM - HIGH RPM |
| DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610 | PCM MEMORY |
| DTC P0650 | MIL CONTROL CIRCUIT |
| DTC P0704 | CLUTCH PEDAL SWITCH |
| DTC P0719 | BRAKE SWITCH CIRCUIT - LOW INPUT |
| DTC P0724 | BRAKE SWITCH CIRCUIT - HIGH INPUT |
| DTC P1106 | MAP SENSOR CIRCUIT - INTERMITTENT HIGH VOLTAGE |
| DTC P1107 | MAP SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE |
| DTC P1112 | IAT SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE |
| DTC P1114 | ECT SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE |
| DTC P1115 | ECT SENSOR CIRCUIT - INTERMITTENT HIGH VOLTAGE |
| DTC P1120 | THROTTLE POSITION SENSOR 1 CIRCUIT |
| DTC P1125 | ACCELERATOR PEDAL POSITION SYSTEM |
| DTC P1133 | HO2S CIRCUIT - INSUFFICIENT SWITCHING - BANK 1, SENSOR 1 |
| DTC P1134 | HO2S TRANSITION TIME RATIO - BANK 1, SENSOR 1 |
| DTC P1153 | HO2S CIRCUIT - INSUFFICIENT SWITCHING - BANK 2, SENSOR 1 |
| DTC P1154 | HO2S TRANSITION TIME RATIO - BANK 2, SENSOR 1 |
| DTC P1220 | THROTTLE POSITION SENSOR OUT OF RANGE |
| DTC P1221 | THROTTLE POSITION SENSOR 1 & 2 DISAGREE |
| DTC P1258 | ENGINE METAL OVER TEMPERATURE PROTECTION |
| DTC P1271 | ACCELERATOR PEDAL POSITION SENSOR 1 & 2 SIGNALS SHORTED TOGETHER |
| DTC P1272 | ACCELERATOR PEDAL POSITION SENSOR 1 & 3 SIGNALS SHORTED TOGETHER |
| DTC P1273 | ACCELERATOR PEDAL POSITION SENSOR 2 & 3 SIGNALS SHORTED TOGETHER |
| DTC P1275 | ACCELERATOR PEDAL POSITION SENSOR 1 SIGNAL OUT OF RANGE |
| DTC P1276 | ACCELERATOR PEDAL POSITION SENSOR 1 DISAGREES WITH SENSORS 2 & 3 |
| DTC P1280 | ACCELERATOR PEDAL POSITION SENSOR 2 SIGNAL OUT OF RANGE |
| DTC P1281 | ACCELERATOR PEDAL POSITION SENSOR 2 DISAGREES WITH SENSORS 1 & 3 |
| DTC P1285 | ACCELERATOR PEDAL POSITION SENSOR 3 SIGNAL OUT OF RANGE |
| DTC P1286 | ACCELERATOR PEDAL POSITION SENSOR 3 DISAGREES WITH SENSORS 1 & 2 |
| DTC P1336 | CRANKSHAFT SYSTEM VARIATION NOT LEARNED |
| DTC P1351 | PCM DETECTS OPEN IN IGNITION CONTROL CIRCUIT |
| DTC P1352 | PCM DETECTS OPEN IN IGNITION CONTROL CIRCUIT |
| DTC P1361 | PCM DOES NOT MONITOR IGNITION CONTROL PULSES |
| DTC P1362 | IGNITION CONTROL SIGNAL CIRCUIT - SHORT TO VOLTAGE |
| DTC P1374 | 3X REFERENCE CIRCUIT |
| DTC P1380 | EBCM DTC DETECTED ROUGH ROAD DATA UNSTABLE |
| DTC P1381 | MISFIRE DETECTED - NO EBCM/PCM SERIAL DATA |
| DTC P1404 | EGR VALVE CLOSED POSITION PERFORMANCE |
| DTC P1441 | EVAP SYSTEM FLOW DURING NON-PURGE |
| DTC P1514 | ACTUAL MAF & SPEED DENSITY IS GREATER THAN EXPECTED |
| DTC P1515 | COMMANDED & ACTUAL THROTTLE POSITION MISMATCH |
| DTC P1516 | COMMANDED & ACTUAL THROTTLE POSITION MALFUNCTION |
| DTC P1517 | THROTTLE ACTUATOR CONTROL MODULE INTERNAL MALFUNCTION |
| DTC P1518 | LOSS OF COMMUNICATION BETWEEN PCM & THROTTLE ACTUATOR CONTROL MODULE |
| DTC P1519 | THROTTLE POSITION SENSOR 1 OUT OF RANGE |
| DTC P1523 | COMMANDED & ACTUAL THROTTLE POSITION MISMATCH |
| DTC P1635 | 5-VOLT REFERENCE 1 CIRCUIT |
| DTC P1639 | 5-VOLT REFERENCE 2 CIRCUIT |