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 |
|---|---|---|---|
| U3E9200 | Messagecheck Error for CAN message CPC_ENERGY_GW_Container1_ST3_Ign_Stat_ST3 | 1 | Network |
| U3E9C00 | RealTime Manipulation detection for Authenticated Boot | 1 | Network |
| U3EB000 | Variant Coding incorrect | 1 | Network |
| U3EB100 | No description available | 1 | Network |
| U3EB200 | Access Control List (ACL) invalid | 1 | Network |
| U3EB300 | Time sync message invalid | 1 | Network |
| U3EB400 | Sequence counter error for CAN message CPC_ENERGY_GW_Container1_ST3_DI_OdoSpeedometer_ST3 (contains odometer value). | 1 | Network |
| U3EB500 | Time sync message missing | 1 | Network |
| U3EB600 | MsgCheck-error for CAN message CPC_ENERGY_GW_Container1_ST3_Ign_Stat_ST3 (ignition switch state (Zndschloss Status)) | 1 | Network |
| U3EB800 | Sequence counter error for CAN message PT4_VEPM_Rq_ST3 (contains energy request for 48V battery) | 1 | Network |
| U3EB900 | RealTime Manipulation detection for Authenticated Boot | 1 | Network |
| U3EBA00 | Timeout-Fehler für Botschaft DCDC (private CAN). Botschaft enthlt Maxwerte Temperatur, Strom, derating-flags | 1 | Network |
| U3EBB00 | Check of emergency supply for high side flyback | 1 | Network |
| U3EBC00 | Check of reverse supply for SysBascChp test was exceuted | 1 | Network |
| U3EBD00 | Current Range Check max Range | 1 | Network |
| U3EBE00 | Current Range Check min Range | 1 | Network |
| U3ED500 | DFC for maximum threshold violation when FQT elapses | 1 | Network |
| U3ED600 | DFC for minimum threshold violation when FQT elapses | 1 | Network |
| U3EE100 | Signal range check high of coolant intake rotor temperature | 1 | Network |
| U3EF600 | fault of ECU, Errorpin active hw failure suspected | 1 | Network |
| U3F00 | FailURE NONE ID | 5 | Network |
| U3F01 | FailURE AUDIO ID | 5 | Network |
| U3F0100 | fault of ECU, Errorpin active hw failure suspected | 1 | Network |
| U3F02 | Failure CD ID | 5 | Network |
| U3F0200 | Diagnosis indicating the error in ADS7953 ASIC present in DC Breaker. This DFC report of 100% FAULT indicates that the device is not in working condition. | 1 | Network |
| U3F0300 | DCDC voltage plausibility | 1 | Network |
| U3F0500 | CheckSum-Fehler für Botschaft DC03 | 1 | Network |
| U3F0600 | MsgCheck-Fehler für Botschaft DC03 | 1 | Network |
| U3F0700 | MsgCheck-Fehler für Botschaft DC04 | 1 | Network |
| U3F0800 | timeout-Fehler für Botschaft DC03 | 1 | Network |
| U3F0900 | timeout-Fehler für Botschaft DC04 | 1 | Network |
| U3F1000 | Permanenter Heizer Fehler - Heizer defekt | 1 | Network |
| U3F1100 | Shunt resistance adjustment value check result for DC Breaker Shunt | 1 | Network |
| U3F1200 | CheckSum-Fehler für Botschaft DC04 | 1 | Network |
| U3F1300 | Ground loss detection for T41 | 1 | Network |
| U3F1E00 | Stuck in range check of the stator temperature sensor | 1 | Network |
| U3F1F00 | Timeout error for CAN message CPC_ENERGY_COM_Container1_ST3_PT4_TMPT2_ST3 (contains outside air temperature signal needed for DSM) | 1 | Network |
| U3F2000 | Timeout error for CAN message CPC_ENERGY_COM_Container1_ST3_PT4_VEPM_Stat_ST3 | 1 | Network |
| U3F2100 | Timeout error for CAN message CPC_ENERGY_GW_Container1_ST3_DI_OdoSpeedometer_ST3 (contains odometer value) | 1 | Network |
| U3F2200 | Timeout error for CAN message CPC_ENERGY_GW_Container1_ST3_Ign_Stat_ST3 (ignition switch state (Zndschloss Status)) | 1 | Network |
| U3F3200 | Unintended decoupling of the cluth actuator. The actuator is moving towords to coupling point, altough the cluth should be closed | 1 | Network |
| U3F6F00 | Secondary supply voltage under/overvoltage error at VEE of the LowSide ASICs. At least one LowSide ASIC report either VEE_UV/OV_ERR bit in error register | 1 | Network |
| U3F7000 | Secondary supply voltage under/overvoltage error at LDO_VCC of the LowSide ASICs. At least one LowSide ASIC report either LDO_VCC_UV/OV_ERR bit in error register | 1 | Network |
| U3F7200 | Secondary supply voltage under/overvoltage error at VEE of the HighSide ASICs. At least one HighSide ASIC report either VEE_UV/OV_ERR bit in error register | 1 | Network |
| U3F7300 | Secondary supply voltage Vcc_LDO of the LowSide ASICs is under/over the specified threshold voltage | 1 | Network |
| U3F7600 | Secondary supply voltage Vcc_LDO of the HighSide ASICs is under/over the specified threshold voltage | 1 | Network |
| U3F8C00 | DriverWarning due to FuSi cyclic Errors | 1 | Network |
| U3F8D00 | DriverWarning due to FuSi Errors which get reported fast/rapid | 1 | Network |
| U3F8F00 | At least one Hs-Side report bit IntBus ERR bit set in error register | 1 | Network |
| U3F9400 | LV_MON_ERR bit set in error register | 1 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.