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 |
|---|---|---|---|
| P2FC912 | Voltage sensor E of the DC/DC converter has an electrical fault. There is a short circuit to positive. | 1 | Powertrain |
| P2FC916 | Voltage sensor E of the DC/DC converter has an electrical fault. The limit value for electrical voltage has not been attained. | 1 | Powertrain |
| P2FC917 | Voltage sensor E of the DC/DC converter has an electrical fault. The limit value for electrical voltage has been exceeded. | 1 | Powertrain |
| P2FC962 | Voltage sensor E of the DC/DC converter has an electrical fault. The signal comparison is faulty. | 1 | Powertrain |
| P2FCA | No description available | 1 | Powertrain |
| P2FCA11 | DC/DC Converter Voltage Sensor Circuit 'F'/Open | 1 | Powertrain |
| P2FCA12 | Voltage sensor F of the DC/DC converter has an electrical fault. There is a short circuit to positive. | 1 | Powertrain |
| P2FCA14 | Voltage sensor F of the DC/DC converter has an electrical fault. There is a short circuit to ground or an open circuit. | 1 | Powertrain |
| P2FCA16 | Voltage sensor F of the DC/DC converter has an electrical fault. The limit value for electrical voltage has not been attained. | 1 | Powertrain |
| P2FCA17 | Voltage sensor F of the DC/DC converter has an electrical fault. The limit value for electrical voltage has been exceeded. | 1 | Powertrain |
| P2FCA62 | Voltage sensor F of the DC/DC converter has an electrical fault. The signal comparison is faulty. | 1 | Powertrain |
| P2FCAA2 | Voltage sensor F of the DC/DC converter has an electrical fault. The system voltage is too low. | 1 | Powertrain |
| P2FCAA3 | Voltage sensor F of the DC/DC converter has an electrical fault. The system voltage is too high. | 1 | Powertrain |
| P2FCB | No description available | 1 | Powertrain |
| P2FCB11 | Voltage sensor G of the DC/DC converter has an electrical fault. There is a short circuit to ground. | 1 | Powertrain |
| P2FCB12 | Voltage sensor G of the DC/DC converter has an electrical fault. There is a short circuit to positive. | 1 | Powertrain |
| P2FCB13 | DC/DC Converter Voltage Sensor Circuit 'G'/Open Circuit Open | 1 | Powertrain |
| P2FCB14 | Voltage sensor G of the DC/DC converter has an electrical fault. There is a short circuit to ground or an open circuit. | 1 | Powertrain |
| P2FCB16 | Voltage sensor G of the DC/DC converter has an electrical fault. The limit value for electrical voltage has not been attained. | 1 | Powertrain |
| P2FCB17 | Voltage sensor G of the DC/DC converter has an electrical fault. The limit value for electrical voltage has been exceeded. | 1 | Powertrain |
| P2FCBA2 | Voltage sensor G of the DC/DC converter has an electrical fault. The system voltage is too low. | 1 | Powertrain |
| P2FCBA3 | Voltage sensor G of the DC/DC converter has an electrical fault. The system voltage is too high. | 1 | Powertrain |
| P2FCC | No description available | 1 | Powertrain |
| P2FCC11 | DC/DC Converter Voltage Sensor Circuit 'D'/Open | 1 | Powertrain |
| P2FCC12 | Voltage sensor H of the DC/DC converter has an electrical fault. There is a short circuit to positive. | 1 | Powertrain |
| P2FCC14 | Voltage sensor H of the DC/DC converter has an electrical fault. There is a short circuit to ground or an open circuit. | 1 | Powertrain |
| P2FCC16 | Voltage sensor H of the DC/DC converter has an electrical fault. The limit value for electrical voltage has not been attained. | 1 | Powertrain |
| P2FCC17 | Voltage sensor H of the DC/DC converter has an electrical fault. The limit value for electrical voltage has been exceeded. | 1 | Powertrain |
| P2FCC53 | Voltage sensor H of the DC/DC converter has an electrical fault. The component is deactivated. | 1 | Powertrain |
| P2FCCA2 | Voltage sensor H of the DC/DC converter has an electrical fault. The system voltage is too low. | 1 | Powertrain |
| P2FCCA3 | Voltage sensor H of the DC/DC converter has an electrical fault. The system voltage is too high. | 1 | Powertrain |
| P2FCE | No description available | 1 | Powertrain |
| P2FCE00 | DC/DC Converter Current Sensor ''A/B | 1 | Powertrain |
| P2FD312 | Battery Charging System Positive Contactor 'A' Current Sensor. There is a short circuit to positive. | 1 | Powertrain |
| P2FD512 | Battery Charging System Negative Contactor 'A' Current Sensor. There is a short circuit to positive. | 1 | Powertrain |
| P2FFC | No description available | 1 | Powertrain |
| P2FFC02 | Battery Disconnect Switch 'A' Circuit/Open. General Signal Failure | 1 | Powertrain |
| P2FFC11 | Battery Disconnect Switch 'A' Circuit/Open. Circuit Short To Ground | 1 | Powertrain |
| P2FFC12 | Actuation 'Open battery disconnect switch' has a malfunction. There is a short circuit to positive. | 1 | Powertrain |
| P2FFD | No description available | 1 | Powertrain |
| P2FFD72 | Battery Disconnect Switch 'B' Circuit/Open. Actuator Stuck Open | 1 | Powertrain |
| P3000 | Hybrid/EV battery DC charging communication gateway module stuck on | 22 | Powertrain |
| P300000 | No description available | 2 | Powertrain |
| P300001 | No description available | 2 | Powertrain |
| P30008F | CanDcuTnkLvl: Invalid Data Received From Reductant Control Module. | 1 | Powertrain |
| P300090 | CanDcuTnkLvlLtr: Invalid Data Received From Reductant Control Module. | 1 | Powertrain |
| P3000B2 | ClthNpl: Clutch Position Sensor 'A' Circuit Range/Performance. Signal Invalid | 1 | Powertrain |
| P3000B3 | ClthSig: Invalid Data Received From TCM. Invalid Serial Data Received | 1 | Powertrain |
| P3002F3 | HydFuFilWarnMod: Fuel Delivery Error. Parametric | 1 | Powertrain |
| P300300 | System voltage out of range | 2 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.