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 |
|---|---|---|---|
| P0A7F1B | The state of health limit of the hybrid/high-voltage battery module has been reached. Circuit Resistance Above Threshold. | 1 | Powertrain |
| P0A7F53 | Hybrid/EV Battery Pack 'A' Deterioration - Deactivated | 1 | Powertrain |
| P0A7F97 | The state of health limit of the hybrid/high-voltage battery module has been reached. The system function is restricted. | 1 | Powertrain |
| P0A7FFD | Hybrid/EV Battery Pack 'A' Deterioration. FD | 1 | Powertrain |
| P0A80 | Replace Hybrid/EV Battery Pack | 28 | Powertrain |
| P0A8000 | Replace Hybrid/EV Battery Pack | 1 | Powertrain |
| P0A8055 | The hybrid/high-voltage battery module must be replaced. Not Configured. | 1 | Powertrain |
| P0A8096 | The hybrid/high-voltage battery module must be replaced. There is an internal component fault. | 1 | Powertrain |
| P0A80F1 | Das Hochvoltbatterie-Modul muss erneuert werden. | 1 | Powertrain |
| P0A8700 | Current sensor A of the DC/DC converter has a malfunction. | 1 | Powertrain |
| P0A872A | Current sensor A of the DC/DC converter has a malfunction. There is no signal change. | 1 | Powertrain |
| P0A8B13 | The power supply for the DC/DC converter is implausible. There is an open circuit. | 1 | Powertrain |
| P0A8B2A | The power supply for the DC/DC converter is implausible. There is no signal change. | 1 | Powertrain |
| P0A8D | 14V power module system voltage low | 28 | Powertrain |
| P0A8D00 | 14 Volt Power Module System Voltage Low | 2 | Powertrain |
| P0A8D16 | 14 Volt Power Module System Voltage Low - Circuit Voltage Below Threshold | 1 | Powertrain |
| P0A8E | 14V power module system voltage high | 27 | Powertrain |
| P0A8E00 | 14 Volt Power Module System Voltage High | 2 | Powertrain |
| P0A8E17 | 14 Volt Power Module System Voltage High - Circuit Voltage Above Threshold | 1 | Powertrain |
| P0A90 | Drive Motor A Performance | 28 | Powertrain |
| P0A9000 | rationality check of excitation flux continously | 1 | Powertrain |
| P0A9061 | Electrical Machine A has a malfunction. The signal calculation is faulty. | 1 | Powertrain |
| P0A9100 | Die Elektrische Maschine B hat Funktionsstörung | 1 | Powertrain |
| P0A9104 | Electric Machine Positive Demagnetization Fault Detected Using Integral-Based Method | 1 | Powertrain |
| P0A9109 | Electric Machine Positive Demagnetization Fault Detected Using Integral-Based Method | 1 | Powertrain |
| P0A9117 | SS unsafe HV request (L2) | 1 | Powertrain |
| P0A9118 | Electric Machine Positive Sensolress Low Speed Torque Plausibility Fault Detected Using Integral-Based Method | 1 | Powertrain |
| P0A9119 | SS unsafe Torque request (L2) | 1 | Powertrain |
| P0A911D | Electric Machine Positve d-Axis Current Fault | 1 | Powertrain |
| P0A9129 | Electric Machine Negative Sensolress Low Speed Torque Plausibility Fault Detected Using Counter-Based Method | 1 | Powertrain |
| P0A912F | Electric Machine Negative Sensolress Low Speed Torque Plausibility Fault Detected Using Integral-Based Method | 1 | Powertrain |
| P0A9132 | Electric Machine Negative Commanded Torque Plausibility Fault Detected Using Counter-Based Method | 1 | Powertrain |
| P0A9133 | Electric Machine Positive Commanded Torque Plausibility Fault Detected Using Counter-Based Method | 1 | Powertrain |
| P0A9134 | Electric Machine Positive Commanded Torque Plausibility Fault Detected Using Integral-Based Method | 1 | Powertrain |
| P0A9135 | Electric Machine Negative Commanded Torque Plausibility Fault Detected Using Integral-Based Method | 1 | Powertrain |
| P0A9154 | E-machine offset learning not successfully executed. | 1 | Powertrain |
| P0A9156 | E-machine offset learning value is out of range. | 1 | Powertrain |
| P0A9184 | No description available | 1 | Powertrain |
| P0A9185 | Electric Machine Positive Demagnetization Fault Detected Using Counter-Based Method | 1 | Powertrain |
| P0A9191 | Motor Integrator at Limit Fault | 1 | Powertrain |
| P0A9192 | Electric Machine Positive Demagnetization Fault Detected Using Counter-Based Method | 1 | Powertrain |
| P0A9195 | Electric Machine Negative Demagnetization Detected Using Counter-Based Method | 1 | Powertrain |
| P0A9196 | Electric Machine Negative Demagnetization Detected Using Integral-Based Method | 1 | Powertrain |
| P0A9198 | Electrical Machine Over Temperature | 1 | Powertrain |
| P0A9200 | Monitoring level 2 Hybrid Generator Performance | 1 | Powertrain |
| P0A93 | Inverter Cooling System Performance | 28 | Powertrain |
| P0A9300 | insufficient cooling detected (lower threshold) | 1 | Powertrain |
| P0A934B | The cooling system for the low temperature circuit has a malfunction. There is a fault due to overtemperature. | 1 | Powertrain |
| P0A9367 | The cooling system for the low temperature circuit has a malfunction. The signal is impermissible after an event. | 1 | Powertrain |
| P0A937B | The cooling system for the low temperature circuit has a malfunction. The fluid level 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.