Fault code lookup

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

CodeDescriptionBrandsSystem
C101209The right rear brake caliper has a malfunction. Counter byte when corresponding SAE Code is used more than one time1Chassis
C101219The right rear brake caliper has a malfunction. The limit value for current has been exceeded.1Chassis
C10124BThe right rear brake caliper has a malfunction. There is a fault due to overtemperature.1Chassis
C101261The right rear brake caliper has a malfunction. The signal calculation is faulty.1Chassis
C101271Actuator blocked1Chassis
C101277Actuator motor warning1Chassis
C101281Malfunction actuator motor1Chassis
C101295The right rear brake caliper has a malfunction. The mechanical setup is not OK.1Chassis
C101296The right rear brake caliper has a malfunction. There is an internal component fault.1Chassis
C1012E0The right rear brake caliper has a malfunction. Counter byte when corresponding SAE Code is used more than one time1Chassis
C1013Tandem brake master cylinder, pressure sensor 2: General electrical fault18Chassis
C101300Steuergerät Ventil MCI2 elektrischer Fehler2Chassis
C101301This event is raised by LaneRoleManager while the lane is not fit and is disabled1Chassis
C101304Event raised when either lane's capability drops below minimum level for providing emergency operation for more than the sudden loss of assist SFB.1Chassis
C101306The 2nd control unit for the electric power steering has a malfunction. Algorithem Error1Chassis
C101307The 2nd control unit for the electric power steering has a malfunction. There is a mechanical fault.1Chassis
C101313The 2nd control unit for the electric power steering has a malfunction. There is an open circuit.1Chassis
C101319The 2nd control unit for the electric power steering has a malfunction. Circuit Current Above Threshold1Chassis
C101345The integrity of the FLASH memory cannot be guarenteed.1Chassis
C101346The ROM integrity cannot be guaranteed.1Chassis
C101347The 2nd control unit for the electric power steering has a malfunction. There is a runtime error.1Chassis
C10134BThe 2nd control unit for the electric power steering has a malfunction. There is a fault due to overtemperature.1Chassis
C101357The 2nd control unit for the electric power steering has a malfunction. Incorrect or incompatible software modules were detected.1Chassis
C101362The 2nd control unit for the electric power steering has a malfunction. The signal comparison is faulty.1Chassis
C101381EPS2-Channel1 has received invalid data from EPS1-Channel1. The communication is done over IPC. Channel1 is the UART.1Chassis
C101396The 2nd control unit for the electric power steering has a malfunction.1Chassis
C1013FFEvent is raised by lane 1 if second lanes application is not started1Chassis
C1014Brake System Total Volume Balance21Chassis
C101401Motor current sensor error1Chassis
C101404Unexpected execution of a motor interrupt or interrupts are executed at the wrong priority level.1Chassis
C101413The actuator motor for the electric power steering has a malfunction. There is a open circuit to ground1Chassis
C101481Malfunction left actuator1Chassis
C1014FENo description available1Chassis
C1015Vacuum supply17Chassis
C10154ADas Steuergerät 'Aktive Wankstabilisierung' hat Funktionsstörung. Die falsche Komponente ist installiert.1Chassis
C101556Das Steuergerät 'Aktive Wankstabilisierung' hat Funktionsstörung. Eine falsche oder inkompatible Konfiguration wurde erkannt.1Chassis
C101600Synchronization with the global time master has a malfunction3Chassis
C101629Synchronization with the global time master has a malfunction. There is an invalid signal.1Chassis
C101687Synchronization with the global time master has a malfunction. Missing Message1Chassis
C1018Regenerative Braking16Chassis
C101C04The traction system has detected an ESP control intervention. There is an internal fault.1Chassis
C101D04The traction system has detected a control intervention of the ESP® trailer stabilization. There is an internal fault.1Chassis
C101E04The traction system has detected an activation of the system 'PRE-SAFE® PLUS'. There is an internal fault.1Chassis
C101F04The traction system has detected an activation of the system 'PRE-SAFE®'. There is an internal fault.1Chassis
C1020Diaphragm travel sensor: Signal faulty16Chassis
C102000Keine Kommunikation Motor-CAN Bus Off1Chassis
C102004The traction system has detected a BAS control intervention. There is an internal fault.1Chassis
C1021ECU internal fault (temperature sensor system)23Chassis
C102100Faulty EPB ECU (power control circuit board watchdog function)2Chassis
C102148SW supervision1Chassis

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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