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 |
|---|---|---|---|
| P0AE700 | The output for the 'Precharging' switch in the high-voltage battery module has a short circuit to positive. | 1 | Powertrain |
| P0AE8 | Hybrid Battery Temperature Sensor D Circuit | 24 | Powertrain |
| P0AE801 | Temperature sensor D of the hybrid/high-voltage battery has an electrical fault. General Electrical Failure. | 1 | Powertrain |
| P0AE802 | Temperature sensor D of the hybrid/high-voltage battery has an electrical fault. General Signal Failure. | 1 | Powertrain |
| P0AE809 | Temperature sensor D of the hybrid/high-voltage battery has an electrical fault. Component Failure. | 1 | Powertrain |
| P0AE815 | Temperature sensor D of the hybrid/high-voltage battery has an electrical fault. There is a short circuit to positive or an open circuit. | 1 | Powertrain |
| P0AE9 | Hybrid/EV Battery Temperature Sensor D Circuit Range/Performance | 27 | Powertrain |
| P0AE900 | Temperature sensor D of the hybrid/high-voltage battery has a malfunction. | 1 | Powertrain |
| P0AE984 | Temperature sensor D of the hybrid/high-voltage battery has a malfunction. There is a signal below the permissible limit value. | 1 | Powertrain |
| P0AE985 | Temperature sensor D of the hybrid/high-voltage battery has a malfunction. There is a signal above the permissible limit value. | 1 | Powertrain |
| P0AEA | Hybrid/EV Battery Temperature Sensor D Circuit Low | 27 | Powertrain |
| P0AEA00 | Temperature sensor D of the hybrid/high-voltage battery has a short circuit to ground. | 1 | Powertrain |
| P0AEA11 | Temperature sensor D of the hybrid/high-voltage battery has a short circuit to ground. There is a short circuit to ground. | 1 | Powertrain |
| P0AEB | Hybrid/EV Battery Temperature Sensor D Circuit High | 28 | Powertrain |
| P0AEC | Hybrid Battery Temperature Sensor D Circuit Intermittent/Erratic | 23 | Powertrain |
| P0AED11 | Out-of-range high on PCB temperature sensor 2 | 1 | Powertrain |
| P0AED12 | Out-of-range low on PCB temperature sensor 2 | 1 | Powertrain |
| P0AED27 | Der Temperatursensor A des Wechselrichters 'Elektrische Maschine' hat einen elektrischen Fehler. The signal change rate is above the permissible limit value. | 1 | Powertrain |
| P0AED85 | Inverter Temperature Sensor AL Out of Range High | 1 | Powertrain |
| P0AEE | Drive Motor Inverter Temperature Sensor A Circuit Range/Performance | 29 | Powertrain |
| P0AEE00 | Der Temperatursensor 1 des Wechselrichters 'Elektrische Maschine A' hat Funktionsstörung. | 2 | Powertrain |
| P0AEE16 | Temperature sensor A of power inverter 'Electric machine' has a malfunction. The limit value for electrical voltage has not been attained. | 1 | Powertrain |
| P0AEE62 | Plausibility of PCB temperature 2 versus other temperatures after long shut-down. | 1 | Powertrain |
| P0AEE84 | Out-of-range low on PCB temperature sensor 2 | 1 | Powertrain |
| P0AEE85 | Out-of-range high on PCB temperature sensor 2 | 1 | Powertrain |
| P0AEE96 | Temperature sensor A of power inverter 'Electric machine' has a malfunction. There is an internal component fault. | 1 | Powertrain |
| P0AEF | Motor controller temperature sensor short circuit (SL) | 29 | Powertrain |
| P0AEF00 | Diagnosis to detect signal range check low at signal tSnsrPwrModlPha1Hs. | 1 | Powertrain |
| P0AF0 | Motor controller temperature sensor open circuit (SH) | 30 | Powertrain |
| P0AF000 | Diagnosis to detect signal range check high at signal tSnsrPwrModlPha1Hs. | 1 | Powertrain |
| P0AF1 | Drive Motor Inverter Temperature Sensor A Circuit Intermittent/Erratic | 23 | Powertrain |
| P0AF211 | Inverter Temperature Sensor AH Short to Ground | 1 | Powertrain |
| P0AF212 | Inverter Temperature Sensor AH Short to Battery | 1 | Powertrain |
| P0AF213 | Drive Motor Inverter Temperature Sensor 'B' Circuit. Circuit Open | 1 | Powertrain |
| P0AF264 | Inverter Temperature Sensor AH Plausibility Check Fault | 1 | Powertrain |
| P0AF285 | Inverter Temperature Sensor AH Out of Range High | 1 | Powertrain |
| P0AF300 | Der Temperatursensor 1 des Wechselrichters 'Elektrische Maschine B' hat Funktionsstörung. | 2 | Powertrain |
| P0AF362 | Der Temperatursensor 1 des Wechselrichters 'Elektrische Maschine B' hat Funktionsstörung. Der Signalvergleich ist fehlerhaft. | 1 | Powertrain |
| P0AF396 | Temperature sensor B of power inverter 'Electric machine' has a malfunction. There is an internal component fault. | 1 | Powertrain |
| P0AF400 | Diagnosis to detect signal range check low at signal tSnsrPwrModlPha1Ls. | 1 | Powertrain |
| P0AF500 | Diagnosis to detect signal range check high at signal tSnsrPwrModlPha1Ls. | 1 | Powertrain |
| P0AF800 | Undervoltage at KL40 | 2 | Powertrain |
| P0AF816 | HVDC Bus Undervoltage in Sensorless | 1 | Powertrain |
| P0AF817 | Bus Over Voltage Hardware Fault (FOV) | 1 | Powertrain |
| P0AF81C | The power supply of the high-voltage on-board electrical system has a malfunction. | 1 | Powertrain |
| P0AF8A2 | HVDC Bus Undervoltage | 1 | Powertrain |
| P0AF8A3 | HVDC Bus Over Voltage Fault (SW) | 1 | Powertrain |
| P0AF9 | Hybrid Battery System Voltage Unstable | 23 | Powertrain |
| P0AFA | The bus voltage is lower than the lower limit of the operating voltage. | 28 | Powertrain |
| P0AFA00 | The power supply of the high-voltage on-board electrical system is too low. | 1 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.