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 |
|---|---|---|---|
| P1D9500 | rationality check of current control | 1 | Powertrain |
| P1D9700 | The NOx sensors (upstream and downstream of NOx storage catalytic converter) are swapped over | 1 | Powertrain |
| P1DA404 | Der Arbeitsbereich der elektrischen Ausgleichsgetriebesperre ist unplausibel. Es liegt ein interner Fehler vor. | 1 | Powertrain |
| P1DA407 | Der Arbeitsbereich der elektrischen Ausgleichsgetriebesperre ist unplausibel. Es liegt ein mechanischer Fehler vor. | 1 | Powertrain |
| P1DA409 | Der Arbeitsbereich der elektrischen Ausgleichsgetriebesperre ist unplausibel. Es liegt ein Bauteilfehler vor. | 1 | Powertrain |
| P1DA477 | Der Arbeitsbereich der elektrischen Ausgleichsgetriebesperre ist unplausibel. Die befohlene Position ist nicht erreichbar. | 1 | Powertrain |
| P1DA5FB | There is a pre-warning about the status of the contactors in the on-board DC charge connection unit. Ageing limit 2 is reached and power limit | 1 | Powertrain |
| P1DAB00 | engaged gear implausible or transmission slipping (1th gear) while CSERS active | 1 | Powertrain |
| P1DAC00 | engaged gear implausible or transmission slipping (2th gear) while CSERS active | 1 | Powertrain |
| P1DAD00 | No description available | 1 | Powertrain |
| P1DBD4B | The oil temperature in the transfer case has exceeded the permissible value. There is a fault due to overtemperature. | 1 | Powertrain |
| P1DD002 | Cell voltage validity for cell 1 | 1 | Powertrain |
| P1DD003 | Difference between internal and external voltage on BN48 is greater than 1000mV | 1 | Powertrain |
| P1DD004 | Current difference between phases of cell 1 is greater than 5A | 1 | Powertrain |
| P1DD012 | Measurements of the current internal AVREFH value (this is changing every cycle) out of range for the specified set debounce time | 1 | Powertrain |
| P1DD662 | The current sensor at output C of the control unit for the catalytic converter heater has an electrical fault or an open circuit. The signal comparison is faulty. | 1 | Powertrain |
| P1DD762 | The current sensor at output D of the control unit for the catalytic converter heater has an electrical fault or an open circuit. The signal comparison is faulty. | 1 | Powertrain |
| P1DD862 | The voltage sensor at output A of the control unit for the catalytic converter heater has an electrical fault or an open circuit. The signal comparison is faulty. | 1 | Powertrain |
| P1DD962 | The voltage sensor at output B of the control unit for the catalytic converter heater has an electrical fault or an open circuit. The signal comparison is faulty. | 1 | Powertrain |
| P1DDA62 | The voltage sensor at output C of the control unit for the catalytic converter heater has an electrical fault or an open circuit. The signal comparison is faulty. | 1 | Powertrain |
| P1DF900 | The output for relay 2 'Terminal 87' has a malfunction. | 1 | Powertrain |
| P1DF91C | The output for relay 2 'Terminal 87' has a malfunction. The voltage value is outside the permissible range. | 1 | Powertrain |
| P1E0100 | No description available | 1 | Powertrain |
| P1E0200 | No description available | 1 | Powertrain |
| P1E0300 | No description available | 1 | Powertrain |
| P1E0400 | No description available | 1 | Powertrain |
| P1E0500 | No description available | 1 | Powertrain |
| P1E1000 | P1E1000 - DTC not currently used | 1 | Powertrain |
| P1E1A00 | Thermal Controller - 12V Overvoltage | 1 | Powertrain |
| P1E1B00 | Thermal Controller - 12V Undervoltage | 1 | Powertrain |
| P1E2111 | Sensor B 'Output voltage of on-board charger' has a malfunction. There is a short circuit to ground | 1 | Powertrain |
| P1E2112 | Sensor B 'Output voltage of on-board charger' has a malfunction. There is a short circuit to positive | 1 | Powertrain |
| P1E2192 | Sensor B 'Output voltage of on-board charger' has a malfunction. The function or the instruction is faulty. | 1 | Powertrain |
| P1E21A2 | Sensor B 'Output voltage of on-board charger' has a malfunction. The system voltage is too low. | 1 | Powertrain |
| P1E21A3 | Sensor B 'Output voltage of on-board charger' has a malfunction. The system voltage is too high. | 1 | Powertrain |
| P1E38A2 | Voltage sensor I of the DC/DC converter has a malfunction. The system voltage is too low. | 1 | Powertrain |
| P1E3A27 | Temperature sensor 4 of the control unit has a malfunction. The signal change rate is above the permissible limit value. | 1 | Powertrain |
| P1E3A28 | Temperature sensor 4 of the control unit has a malfunction. The signal offset is outside the permissible range. | 1 | Powertrain |
| P1E3B27 | Temperature sensor 5 of the control unit has a malfunction. The signal change rate is above the permissible limit value. | 1 | Powertrain |
| P1E3B28 | Temperature sensor 5 of the control unit has a malfunction. The signal offset is outside the permissible range. | 1 | Powertrain |
| P1E3C27 | Temperature sensor 6 of the control unit has a malfunction. The signal change rate is above the permissible limit value. | 1 | Powertrain |
| P1E3C28 | Temperature sensor 6 of the control unit has a malfunction. The signal offset is outside the permissible range. | 1 | Powertrain |
| P1E46 | Litar sensor suhu bateri (1) | 12 | Powertrain |
| P1E47 | 14V power module temperature sensor 1 circuit high temperature | 13 | Powertrain |
| P1E48 | 14V power module temperature sensor 2 high temperature sensing circuit | 13 | Powertrain |
| P1E4A | Control module redundant drive motor 1 speed sensing circuit | 13 | Powertrain |
| P1E4B | Aritmetik işlem | 12 | Powertrain |
| P1E4C | Hybrid/EV Battery 33 Circuit | 12 | Powertrain |
| P1E4D | Hybrid/EV-akku 34 piiri | 13 | Powertrain |
| P1E4D12 | Voltage sensor A of DCDC high-voltage side has malfunction - Circuit Short To Battery | 1 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.