Mercedes-Benz fault codes
20,291 codes · 1,724 vehicle records · 258 ECU records · 56,350 live-data parameters
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Codes 20,291
| Code | Description | Brands | System |
|---|---|---|---|
| C02B600 | PWM deviation at EvRr detected. | 1 | Chassis |
| C02B700 | Inlet valve rear right defect due to leakage current via low ohmic side circuit. | 1 | Chassis |
| C02B800 | Failure detection in EvRr FreeWheeling part. | 1 | Chassis |
| C02C000 | Valve-Driver-ASIC internal prom parity error of trimming data detected. | 1 | Chassis |
| C02C100 | Valve PWM check in hardware is permamently active | 1 | Chassis |
| C02C200 | Valve fault due to overheat protection (EVs or AVs). | 1 | Chassis |
| C02C300 | Valve-Driver-ASIC freewheeling path was activated for longer time than maximum freewheeling time. | 1 | Chassis |
| C02C500 | UVR to UB_VR leakage current via low ohmic side circuit during ResistorMeasurement. | 1 | Chassis |
| C02D400 | HSV1 defect due to Valve-Driver-ASIC Qx-Feedback. | 1 | Chassis |
| C02D500 | PWM deviation at HSV1 detected. | 1 | Chassis |
| C02D600 | Valve Hsv1 defect due to leakage current via low ohmic side circuit. | 1 | Chassis |
| C02D700 | Failure detection in HSV1 FreeWheeling part. | 1 | Chassis |
| C02E000 | The internal Valve-Driver-ASIC register is not matching with the current actuation during the ValveActuationRegisterTest. | 1 | Chassis |
| C02E400 | HSV2 defect due to Valve-Driver-ASIC Qx-Feedback. | 1 | Chassis |
| C02E500 | PWM deviation at HSV2 detected. | 1 | Chassis |
| C02E600 | Valve Hsv2 defect due to leakage current via low ohmic side circuit. | 1 | Chassis |
| C02E700 | Failure detection in HSV2 FreeWheeling part. | 1 | Chassis |
| C02F000 | The internal Valve-Driver-ASIC register is not matching with the current actuation during the ValveActuationRegisterTest. | 1 | Chassis |
| C02F400 | USV1 defect due to Valve-Driver-ASIC Qx-Feedback. | 1 | Chassis |
| C02F500 | The measured current through USV1 does not fit to the expected current during the ValveDriftCheck test phase. | 1 | Chassis |
| C02F600 | PWM deviation at USV1 detected. | 1 | Chassis |
| C02F800 | Failure detection in USV1 FreeWheeling part. | 1 | Chassis |
| C030000 | The internal Valve-Driver-ASIC register is not matching with the current actuation during the ValveActuationRegisterTest. | 1 | Chassis |
| C030400 | USV2 defect due to Valve-Driver-ASIC Qx-Feedback. | 1 | Chassis |
| C030500 | The measured current through USV2 does not fit to the expected current during the ValveDriftCheck test phase. | 1 | Chassis |
| C030600 | PWM deviation at USV2 detected. | 2 | Chassis |
| C030800 | Failure detection in USV2 FreeWheeling part. | 2 | Chassis |
| C031000 | Reference signal of MultiIC has wrong frequency. | 2 | Chassis |
| C031100 | Height sensor signal RR - implausible | 2 | Chassis |
| C031300 | No description available | 1 | Chassis |
| C031400 | No description available | 1 | Chassis |
| C032100 | No description available | 1 | Chassis |
| C032300 | No description available | 1 | Chassis |
| C033000 | mechanical defect or wrong mounting of BLS used for new plausibility strategy | 1 | Chassis |
| C033200 | mechanical defect or wrong mounting of BLS used for new plausibility strategy | 1 | Chassis |
| C039000 | weak return pump due to heavy load | 1 | Chassis |
| C039100 | return pump generator voltage to high | 1 | Chassis |
| C03A200 | MRG test failed | 1 | Chassis |
| C03B200 | No description available | 1 | Chassis |
| C04002C | No description available | 1 | Chassis |
| C04002D | No description available | 1 | Chassis |
| C04002F | No description available | 1 | Chassis |
| C040136 | CAN Transceiver 1 Warning | 1 | Chassis |
| C040156 | Development Error Trace for Internal Error Management | 1 | Chassis |
| C040157 | CHILI Stack Warning | 1 | Chassis |
| C040158 | CHILI Runtime Warning | 1 | Chassis |
| C040194 | DMA Transfer Error | 1 | Chassis |
| C040E00 | 1 suspected Wss failures Fl occured for a long time | 1 | Chassis |
| C040F00 | WssFL speed comparison (MonCTM) to sec. path (AS/SCON) failed | 1 | Chassis |
| C041800 | drive off fault at wheel front left | 1 | Chassis |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.