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 |
|---|---|---|---|
| B3A7300 | 12V Batteriesensor Strom hat Funktionsstörung | 1 | Body |
| B3A74 | No description available | 1 | Body |
| B3A7400 | 12V Batteriesensor Temperatur hat Funktionsstörung | 1 | Body |
| B3A75 | No description available | 1 | Body |
| B3A7500 | 12V Batteriesensor Spannung hat Funktionsstörung | 1 | Body |
| B3A76 | No description available | 1 | Body |
| B3A7600 | The 12 V battery has an open circuit. | 1 | Body |
| B8001 | No description available | 2 | Body |
| B9037 | No description available | 2 | Body |
| B9038 | No description available | 2 | Body |
| B9039 | No description available | 2 | Body |
| B9040 | No description available | 2 | Body |
| B9521 | No description available | 1 | Body |
| B9999 | No description available | 3 | Body |
| BB351 | No description available | 3 | Body |
| BB352 | No description available | 4 | Body |
| BB400 | No description available | 1 | Body |
| BBA01 | No description available | 3 | Body |
| BE7ED | No description available | 2 | Body |
| BF0A9 | No description available | 2 | Body |
| BF0CD | No description available | 2 | Body |
| BF0ED | No description available | 2 | Body |
| BF1CD | No description available | 2 | Body |
| BF1DD | No description available | 2 | Body |
| BF1ED | No description available | 2 | Body |
| BF3CD | No description available | 2 | Body |
| BF4A9 | No description available | 2 | Body |
| BF4C0 | No description available | 2 | Body |
| BF4CC | No description available | 2 | Body |
| BF4CD | No description available | 2 | Body |
| BF4CE | No description available | 2 | Body |
| C0000 | Défaut circuit information vitesse véhicule | 12 | Chassis |
| C000000 | Simulation 'no entry' | 3 | Chassis |
| C000022 | PCU Synchronization Error | 1 | Chassis |
| C000023 | Illegal Reset Error | 1 | Chassis |
| C000024 | Loop Processing Error | 1 | Chassis |
| C000025 | Pcu Watchdog Error | 1 | Chassis |
| C000026 | Pcu Valve Disabled | 1 | Chassis |
| C000027 | Leakage Current Detected | 1 | Chassis |
| C000028 | PCUs internal reference voltage out of range | 1 | Chassis |
| C000029 | OS Fatal Error | 1 | Chassis |
| C000030 | Defective NVM | 1 | Chassis |
| C000031 | Md1 Driver Error - HighSide-FET | 1 | Chassis |
| C000032 | Md1 LeakageToSupply | 1 | Chassis |
| C000033 | Md1 LeakageToGnd | 1 | Chassis |
| C000034 | Md1 DefectiveControlOfValveSupply | 1 | Chassis |
| C000035 | Pcb TempSensorElectrical Failure | 1 | Chassis |
| C000038 | Can2Hardware Error | 1 | Chassis |
| C000039 | Can3 Hardware Error | 1 | Chassis |
| C000040 | Valve Current Failure | 1 | Chassis |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.