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 |
|---|---|---|---|
| U1DD009 | ECU Runtime Error | 1 | Network |
| U1DD00A | C memory error | 1 | Network |
| U1DD00B | E2E Failure on LIN | 1 | Network |
| U1DD00C | E2E Failure on CAN | 1 | Network |
| U1DD00D | ADC HW Fault | 1 | Network |
| U1DD00E | ADC HW Fault | 1 | Network |
| U1DD00F | FUSI Logic HW Fault | 1 | Network |
| U1DD010 | Shortcircuit KL30S | 1 | Network |
| U1DD011 | Charge Pump HW Fault | 1 | Network |
| U1DD012 | Transient Overvoltage | 1 | Network |
| U1DD013 | Broken cable detected | 1 | Network |
| U1DD014 | CAN error | 1 | Network |
| U1DD015 | Critical UV occurred | 1 | Network |
| U1DD016 | Critical OV occurred | 1 | Network |
| U1DD017 | Broken cable detected | 1 | Network |
| U1DD018 | Power failure detected | 1 | Network |
| U1DD022 | The system base chip of the control unit has a malfunction. Clock monitoring error | 1 | Network |
| U1DD023 | The system base chip of the control unit has a malfunction. BUS error | 1 | Network |
| U1DD024 | The system base chip of the control unit has a malfunction. HW failure caught by OS | 1 | Network |
| U1DD025 | SPI communication error - channel 1 | 1 | Network |
| U1DD026 | SPI communication error - channel 2 | 1 | Network |
| U1DD027 | SPI communication error - channel 3 | 1 | Network |
| U1DD028 | CPU check failed | 1 | Network |
| U1DD029 | Internal ECU error | 1 | Network |
| U1DD02A | System Basis Chip error | 1 | Network |
| U1DD02B | Control Flow Monitoring failed | 1 | Network |
| U1DD02C | LIN COM turned off <7V | 1 | Network |
| U1DD02D | Limit switch stuck | 1 | Network |
| U1DD02E | No description available | 1 | Network |
| U1DD031 | Range of development fault memory The signal is not present. | 1 | Network |
| U1DD032 | Range of development fault memory The off-time of the signal frequency is too short. | 1 | Network |
| U1DD033 | All safety lib initialization errors which lead to reset of the ECU | 1 | Network |
| U1DD034 | Failures during safety lib tests lead to reset of the ECU | 1 | Network |
| U1DD035 | Failures during External watchdog initialization leads to reset of the ECU | 1 | Network |
| U1DD036 | No description available | 1 | Network |
| U1DD037 | No description available | 1 | Network |
| U1DD038 | No description available | 1 | Network |
| U1DD046 | Implausible data were received from the long range radar sensor. There is an error in the calibration or parameterization memory. | 1 | Network |
| U1DD047 | No description available | 1 | Network |
| U1DD048 | No description available | 1 | Network |
| U1DD060 | ADSE_LongCtrlMd_Rq unexpected value | 1 | Network |
| U1DD061 | ADSE_EPKB_Rq unexpected value | 1 | Network |
| U1DD062 | ADSE_SSA_Rq unexpected value | 1 | Network |
| U1DD063 | No description available | 1 | Network |
| U1DD068 | Range of development fault memory There is incomplete information. | 1 | Network |
| U1DD069 | Range of development fault memory | 1 | Network |
| U1DD070 | Range of development fault memory | 1 | Network |
| U1DD071 | Implausible data were received from the long range radar sensor. The actuator is blocked. | 1 | Network |
| U1DD072 | Range of development fault memory The actuator does not close. | 1 | Network |
| U1DD077 | Range of development fault memory The commanded position cannot be reached. | 1 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.