Diagnostic Trouble Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 BMW Z4, 2008 BMW X5, 2008 BMW X3, 2008 BMW 528xi, and 2008 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE INDEX (THEORY & OPERATION)
| DTC | Description |
|---|---|
| P0420/P0430 | Catalyst Monitoring |
| P0300, P0301, P0302, P0303, P0304, P0305, P0306, P1396 | Misfire Monitoring |
| P0442, P0456, P1434, P1447, P1448, P1449 | EVAP system leak measurement (Module DM-TL) |
| P1434, P1447, P1448, P1449 | EVAP System - pump current Monitoring function - pump current diagnosis |
| P0440 | EVAP (Functional check canister purge solenoid) |
| P0171/P0174, P0172/P0175 | Fuel System Monitoring Monitoring function |
| P2096/P2098, P2097/P2099 | Fuel System Monitoring Trim Control Plausibility Monitoring |
| P2068, P2067, P0463, P0462 | Fuel Level Sensor (FLS) electrical circuit continuity check |
| P0461 | Fuel Level Sensor (FLS) signal rationality check (plausibility error) |
| P0131/P0151, P0132/P0152 | Upstream Oxygen Sensor - Short Circuit Monitoring |
| P112C/P112D, P2626/P2629, P2243/P2247 | Upstream Oxygen Sensor - Open Circuit Monitoring |
| P3022/P3023, P3024/P3025 | Upstream Oxygen Sensor - Signal Controller Monitoring |
| P2414/2415 | Upstream Oxygen Sensor - Signal Activity Check |
| P0040 | Upstream Oxygen Sensor - Swapped Sensors Check |
| P2195/P2197, P2196/P2198 | Upstream Oxygen Sensor - Active Signal Check (Shift to lean / rich) |
| P0133/P0153 | Upstream Oxygen Sensor - Signal Dynamic Monitoring (Slow Response) |
| P2297/P2298 | Upstream Oxygen Sensor - Signal Monitoring During Fuel Cut-off |
| P0135/P0155, P165F/P166F | Upstream Oxygen Sensor - Heater Monitoring |
| P0031/P0051, P0032/P0052, P0030/P0050 | Upstream Oxygen Sensor - Heater Circuit Monitoring |
| P0137/P157, P0138/P158, P0140/P0160 | Downstream Oxygen Sensor - Circuit Monitoring |
| P0139/P0159 | Downstream Oxygen Sensor - Signal Dynamic Check During Fuel Cut-off (DFCO) |
| P1130/P1131 | Downstream Oxygen Sensor - Dynamic / Transition Time in Sensor Midpoint Range Monitoring |
| P114A/P114C, P114B/P114D | Downstream Oxygen Sensor - Signal activity check |
| P2270/P2272, P2271/P2273, P0041 | Downstream Oxygen Sensor - Signal Check (Stuck lean/rich, Swap) |
| P0141/P0161 | Downstream Oxygen Sensor - Heater Plausibility Monitoring |
| P0036/P0056, P0037/P0057, P0038/P0058 | Downstream Oxygen Sensor - Heater Circuit Monitoring |
| P0128 | Thermostat - plausibility check |
| P0117, P0118 | Electrical Engine Coolant Temperature Diagnosis |
| P3198 | Coolant Temperature Gradient Diagnosis |
| P3199 | Engine Coolant Temperature Stuck Diagnosis |
| P316A | Coolant Temperature Stuck in Range Diagnosis |
| P2183, P3196 | Engine Coolant Temperature 2 (ECT_2) Plausibility Check (Z4) |
| P3197 | Engine Coolant Temperature 2 (ECT_2) Gradient Diagnosis |
| P1515 | Engine off timer monitoring |
| P0506, P0507, P1561, P1562 | Idle Speed Control Rationality Diagnosis |
| P0012/P0015 | Variable Camshaft Timing (Vanos) (detection of mechanical IVVT error) |
| P0340/0365 | Camshaft position sensor (CMP) Diagnosis of signal plausibility |
| P1300/130A | Camshaft position sensor (CMP) Diagnosis of period length |
| P0344 | Camshaft position sensor (CMP) Diagnosis of synchronization state |
| P1554/1553 | Camshaft position sensor (CMP) Diagnosis of mechanical reference position |
| P0016/0017 | Camshaft position sensor (CMP) Diagnosis of mechanical chain jump |
| P0341, P0369 | Camshaft Crankshaft synchronization |
| P0335/0370/0373 | Crankshaft position sensor (CRK) |
| P0072, P0073 | CAN based Ambient Temperature - signal diagnosis |
| P0071 | Ambient Temperature Signal Plausibility Check |
| P0112, P0113 | Electrical Intake Air Temperature Diagnosis |
| P0111, P111E, P111F | Intake Air Plausibility Check |
| P1632, 1633, P1634, 1635, P1636, P1637, 1638, 1639, 1644, - 1675, 169A, 1694, P0121, P0221 | Electronic Throttle Control (ETC) Motor Control Circuit |
| P1636 | Electronic Throttle Control (ETC) Monitoring Descriptions |
| P169A, P1694 | ETC spring check (start routine) |
| P1632, P1633, P1634, P1635, P1644 | ETC adaptation diagnosis |
| P1637, P1639 | Electronic Throttle Control (ETC) Motor Control Performance |
| P1417 | Electronic Throttle Control (ETC) air supply rationality check |
| P1104, P1105 | Manifold Differential Pressure Sensor - Rationality check |
| P1197, P1198 | Differential Pressure Sensor (MAP) - Electrical check |
| P1124 | Differential Pressure Sensor (MAP_DIP) - Offset check |
| P1415, P1424 | Air Mass Flow |
| P116C, P116E | Mass Air Flow Sensor |
| P0326, P0327, P0328, P1327, P1328, P135B | Diagnosis of knock sensor |
| P1047, P1048, P1049, P1055, P1056, P1057, P103A, P1017, P1019, P1020, P1075, P1076, P1078, P107A, P107B, P107C, P1030, P101A, P1023, P1024, P1041, P105A, P105B | Variable Valve Lift (VVL) - Electrical Diagnosis |
| P1047, P1048, P1049 | Monitoring function - electrical diagnosis of the DC motor lines |
| P107C, P1076 | Monitoring function - power stage temperature diagnosis |
| P107A, P1075 | Monitoring function - power stage current diagnosis (long term current) |
| P103A | Monitoring function - power stage current diagnosis (short term current) |
| P107B, P1078 | Monitoring function - DC motor overload temperature |
| P105A, P105B | Monitoring function - power stage self diagnosis |
| P1055, P1056 | Monitoring function - power supply control motor |
| P1057 | Monitoring function - VVL relay diagnosis |
| P1019, P1020 | Monitoring function - sensor short circuit diagnosis |
| P1017 | Monitoring function - global sensor fault diagnosis |
| P1030 | Monitoring function - control position diagnosis |
| P101A, P1023, P1024, P1041 | Monitoring function - self learning / adaptation diagnosis |
| P0503 | Vehicle speed sensor - signal plausibility check |
| P0500 | Vehicle speed sensor - signal check |
| P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, P0277 | Injector Valve Diagnosis |
| U112B, 1101, 110F, U112A, U110E, U1110 | CAN Communication |
| P2120, P164C, P1625 | Pedal Position Sensor |
| P2228, 2229 | Ambient Pressure Sensor - Electrical check |
| P321E, P321F | Ambient Pressure Sensor - Rationality Check |