Diagnostic Trouble Codes Index
DIAGNOSTIC TROUBLE CODES INDEX (THEORY & OPERATION)
| DTC | Description |
|---|---|
| P0420, P0430 | Catalyst monitoring |
| P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 | Misfire Detection |
| P0442, P0456, P1434, P1447, P1448, P1449 | Evaporative System Leak Measurement |
| P2187, P2189, P2188, P2190, P2177, P2179, P2178, P2180 | Diagnosis of fuel system |
| P0030, P0050, P0031, P0051, P0032, P0052 | Monitoring of the front oxygen sensor's heater power stage |
| P0135, P0155, P3026, P3027, P3016, P3017 | Front oxygen sensor's heater control diagnosis |
| P2097, P2099 | Rationality check of the front oxygen sensor Maximum Fault |
| P2096, P2098 | Rationality check of the front oxygen sensor Minimum Fault |
| P2195, P2197 | Rationality check of the front oxygen sensor Plausibility fault |
| P2196, P2198 | Signal Fault |
| P0133, P0153 | Front oxygen sensor's response rate monitor |
| P2414, P2415 | Monitoring of the front oxygen sensor's voltage |
| P0040 | Detection of exchanged front oxygen sensor connectors |
| P2251, P2254 | Open circuit - VM line interruption |
| P2243, P2247 | Open circuit - UN line interruption |
| P2626, P2629 | Open circuit - IA line interruption |
| P3020, P3021 | Open circuit - IP line interruption |
| P2237, P2240 | Comparison with the set-point A/F ratio of the front oxygen sensor |
| P3018, P3019 | Rationality check with the lambda controller factor |
| P0131, P0151, P0132, P0152 | Short circuits to ground or to battery voltage |
| P3022, P3023 | Implausible commands counter |
| P3024, P3025 | Comparison of initialization and mirror register |
| P3014, P3015 | Low supply voltage of the CJ125 IC |
| P3012, P3013 | Electrical trimming |
| P0130, P0150 | Diagnosis of electrical faults of the front oxygen sensor |
| P0138, P0158 | Rear oxygen sensor Detection of short circuit to battery |
| P0137, P0157 | Rear oxygen sensor Detection of short circuit to ground |
| P0140, P0160 | Rear oxygen sensor Detection of an open circuit or a damaged sensor heating element |
| P0141, P0161 | Internal resistance of the rear oxygen sensor's galvanic cell |
| P0038, P0058, P0037, P0057, P0036, P0056 | Switching behavior of the rear oxygen sensor's heater power stage |
| P2270, P2272, P2271, P2273 | Aging monitor of the rear oxygen sensor Oscillation check |
| P0139, P0159 | Aging monitor of the rear oxygen sensor threshold check during fuel cut-off |
| P0139, P0159 | Monitoring of the rear oxygen sensor's response rate |
| P013A, P013C, P013E, P014A | Rear oxygen sensor's response rate monitor |
| P0117, P0118, P0119 | Engine Cooling System Monitoring Circuit continuity check |
| P112B | Engine Cooling System Monitoring Rationality checks low side check |
| P0116 | Engine Cooling System Monitoring Rationality checks stuck check |
| P0128 | Diagnosis of Thermostat |
| P0011, P0021, P0014, P0024 | Vanos end position in range |
| P0016, P0018, P0017, P0019 | Vanos reference position offset ("one tooth off") |
| P0012, P0022, P0015, P0025 | Control deviation of the camshaft position controller (Target Error and Slow Response) |
| P1041, P1044, P1042, P1045, P1043, P1046, P1071, P1072 | Valvetronic Module |
| P1055, P1058, P1056, P1059, P1057, P1060 | Valvetronic Power Supply |
| P1048, P1052, P1047, P1051, P1049, P1053, P1050, P1054 | Valvetronic Power Stage |
| P1061, P1062, P1063 | Valvetronic (limp-home) |
| P0460, P0461, P0462, P0463, P2065, P2067, P2068 | Comprehensive Component Monitoring Fuel level sensor |
| P1515, P1551 | Diagnosis of engine off time |
| P110F | Ambient air temperature CAN Signal Check |
| P0072, P0073 | Ambient air temperature Range Check |
| P0071 | Ambient air temperature Model based Rationality Check |
| P2228 P2229, P321E, P321F, P322A, P323C | Ambient air temperature |
| P0100, P0102, P0103 | Mass airflow sensor Circuit continuity check |
| P113A, P113B | Range check of temperature compensation signal |
| P115A, P115B | Mass airflow sensor range check |
| P115C, P115D | Mass airflow sensor rationality check |
| P0503 | Vehicle speed range check |
| P0500 | Vehicle speed stuck check |
| P152B | Vehicle speed rationality check |
| P0110, P0112, P0113 | Intake air temperature sensor electrical checks |
| P0127, P111E, P111F, P0111 | Intake air temperature sensor electrical checks |
| P0340, P0345, P0341, P0346, P0342, P0347, P0343, P0348, P0365, P0390, P0366, P0391, P0367, P0392, P0368, P0393 | Engine speed sensor and camshaft position (CMP) sensor Diagnosis by counting the CMP sensor signal edges |
| P0336 | Engine speed sensor monitoring if the engine speed sensor signal is partly interrupted |
| P0335 | Engine speed sensor monitoring the camshaft position sensor (CMP) signal |
| P0370, P0372, P0373 | Engine speed sensor monitoring the engine speed sensor reference gap |
| P0122, P0123, P0222, P0223 | Throttle position sensor range check |
| P0120, P0121, P0221 | Throttle position sensor rationality check |
| P1637 | Throttle valve's control unit impermissible deviations between requested and actual throttle position |
| P1638 | Throttle valve's control unit duty cycle range check |
| P1639, P2102, P061F, P2100, P2103 | Throttle valve's control unit throttle valve power stage check |
| P1631, P1634 | Throttle body return spring check |
| P0325, P135C, P1384, P033A | Knock sensor circuit continuity check |
| P0327, P1327, P0328; P1328, P1329, P1330, P033C, P033D | Knock sensor reference signal check |
| P1382 | Knock control circuit pulse test |
| P1386 | Knock control circuit zero test |
| P1381 | Knock control circuit parity check |
| P16A4 | Knock control serial port interface (SPI) monitoring |
| P1561, P1562 | Idle speed control (ISC) diagnosis during cold start |
| P0506, P0507 | Idle speed control (ISC) diagnosis during warm operation |
| P0563 | Battery voltage range check |
| P0560 | Battery voltage rationality check |
| U0101, U1200, U1202 | Diagnosis of CAN Data Bus - TCM communication automatic transmission |
| U0101, U1200, U1202 | Diagnosis of CAN Data Bus - TCM communication semi-automatic transmission |
| U1172, U1174 | Diagnosis of CAN Data Bus - VVT communication |
| U0155 | CAN signal timeout signal fault |
| U112A | CAN signal timeout minimum fault |
| P3217 | CAN signal timeout plausibility fault |
| P3203, P3204, P3205 | Diagnosis of Local CAN B |
| P3200, P3201, P3202 | Diagnosis of Powertrain CAN A and CAN C |