Fault code lookup

Mercedes-Benz fault codes

20,291 codes · 1,724 vehicle records · 258 ECU records · 56,350 live-data parameters

Search only Mercedes-Benz codes

Shared-name brands using this data:

Codes 20,291

CodeDescriptionBrandsSystem
U3E9200Messagecheck Error for CAN message CPC_ENERGY_GW_Container1_ST3_Ign_Stat_ST31Network
U3E9C00RealTime Manipulation detection for Authenticated Boot1Network
U3EB000Variant Coding incorrect1Network
U3EB100No description available1Network
U3EB200Access Control List (ACL) invalid1Network
U3EB300Time sync message invalid1Network
U3EB400Sequence counter error for CAN message CPC_ENERGY_GW_Container1_ST3_DI_OdoSpeedometer_ST3 (contains odometer value).1Network
U3EB500Time sync message missing1Network
U3EB600MsgCheck-error for CAN message CPC_ENERGY_GW_Container1_ST3_Ign_Stat_ST3 (ignition switch state (Zndschloss Status))1Network
U3EB800Sequence counter error for CAN message PT4_VEPM_Rq_ST3 (contains energy request for 48V battery)1Network
U3EB900RealTime Manipulation detection for Authenticated Boot1Network
U3EBA00Timeout-Fehler für Botschaft DCDC (private CAN). Botschaft enthlt Maxwerte Temperatur, Strom, derating-flags1Network
U3EBB00Check of emergency supply for high side flyback1Network
U3EBC00Check of reverse supply for SysBascChp test was exceuted1Network
U3EBD00Current Range Check max Range1Network
U3EBE00Current Range Check min Range1Network
U3ED500DFC for maximum threshold violation when FQT elapses1Network
U3ED600DFC for minimum threshold violation when FQT elapses1Network
U3EE100Signal range check high of coolant intake rotor temperature1Network
U3EF600fault of ECU, Errorpin active hw failure suspected1Network
U3F00FailURE NONE ID5Network
U3F01FailURE AUDIO ID5Network
U3F0100fault of ECU, Errorpin active hw failure suspected1Network
U3F02Failure CD ID5Network
U3F0200Diagnosis 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.1Network
U3F0300DCDC voltage plausibility1Network
U3F0500CheckSum-Fehler für Botschaft DC031Network
U3F0600MsgCheck-Fehler für Botschaft DC031Network
U3F0700MsgCheck-Fehler für Botschaft DC041Network
U3F0800timeout-Fehler für Botschaft DC031Network
U3F0900timeout-Fehler für Botschaft DC041Network
U3F1000Permanenter Heizer Fehler - Heizer defekt1Network
U3F1100Shunt resistance adjustment value check result for DC Breaker Shunt1Network
U3F1200CheckSum-Fehler für Botschaft DC041Network
U3F1300Ground loss detection for T411Network
U3F1E00Stuck in range check of the stator temperature sensor1Network
U3F1F00Timeout error for CAN message CPC_ENERGY_COM_Container1_ST3_PT4_TMPT2_ST3 (contains outside air temperature signal needed for DSM)1Network
U3F2000Timeout error for CAN message CPC_ENERGY_COM_Container1_ST3_PT4_VEPM_Stat_ST31Network
U3F2100Timeout error for CAN message CPC_ENERGY_GW_Container1_ST3_DI_OdoSpeedometer_ST3 (contains odometer value)1Network
U3F2200Timeout error for CAN message CPC_ENERGY_GW_Container1_ST3_Ign_Stat_ST3 (ignition switch state (Zndschloss Status))1Network
U3F3200Unintended decoupling of the cluth actuator. The actuator is moving towords to coupling point, altough the cluth should be closed1Network
U3F6F00Secondary 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 register1Network
U3F7000Secondary 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 register1Network
U3F7200Secondary 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 register1Network
U3F7300Secondary supply voltage Vcc_LDO of the LowSide ASICs is under/over the specified threshold voltage1Network
U3F7600Secondary supply voltage Vcc_LDO of the HighSide ASICs is under/over the specified threshold voltage1Network
U3F8C00DriverWarning due to FuSi cyclic Errors1Network
U3F8D00DriverWarning due to FuSi Errors which get reported fast/rapid1Network
U3F8F00At least one Hs-Side report bit IntBus ERR bit set in error register1Network
U3F9400LV_MON_ERR bit set in error register1Network

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

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