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
B19AAFFNo description available1Body
B19AB00The 'System information' function is limited by the 'Supplemental Restraint System' control unit.2Body
B19AB02No description available2Body
B19AC00The 'System information' function is limited by the 'PARKTRONIC' control unit.2Body
B19AC02No description available2Body
B19AD00No description available2Body
B19AE00The System information function is limited by the DISTRONIC control unit or Mercedes-Benz Intelligent Drive. Counter byte when corresponding SAE Code is used more than one time2Body
B19AEE1DRAM Addr Line monitoring SW integration error1Body
B19AEE2error when allocating a contiguous memory block1Body
B19AEE3Errors related to mP NOR Flash File System Integrity Check:1Body
B19AEE4Errors related to mP Floating Point Exception Monitoring1Body
B19AEE9Error related to Exception that occured1Body
B19AEEAErrors related to Slave Shut-off path test for uP1Body
B19AEEBAdded for future purpose1Body
B19AF09No description available2Body
B19AF1ENo description available2Body
B19AF44No description available2Body
B19AF45No description available2Body
B19B0Audio Sensor Input Module #2 Sensor #13Body
B19B000The 'System information' function is limited by the 'ESPĀ®/Regenerative braking system' control unit.1Body
B19B002No description available1Body
B19B2Audio Sensor Input Module #2 Sensor #33Body
B19B3Audio Sensor Input Module #2 Sensor #43Body
B19B311V2X channel 1 Antenna has a malfunction.Short To Ground1Body
B19B315V2X channel 1 Antenna has a malfunction.Circuit Short To Battery or Open1Body
B19B4M_ S0#aktiv2Body
B19B415DRX Antenna.Circuit Short To Battery or Open1Body
B19B5M_ S0#mittel2Body
B19B7M_ S0#Sounddesign aktiviert2Body
B19BE96Multimedia connection unit 1 has a malfunction. There is an internal component fault.1Body
B19BF00System Activation - Vehicle Data invalid1Body
B19C000System Activation - Vehicle invalid1Body
B19C100System Activation - Setup invalid1Body
B19C156System Activation - Invalid or Incompatible Configuration1Body
B19C192System Activation - Performance or Incorrect Operation1Body
B19C300No description available2Body
B19C400Backlight defect2Body
B19C531Videosignal invalid1Body
B19C54BHead Unit Screen High Temperature1Body
B19C600Internal Powersource for Ambientlight defect1Body
B19C804Integrity violation detected1Body
B19CB00Wake-up line 2 has a malfunction.1Body
B19CB11Wake-up line 2 has a malfunction. There is a short circuit to ground.1Body
B19CB12Wake-up line 2 has a malfunction. There is a short circuit to positive.1Body
B19CE00The software download has failed.1Body
B19CEE0The software download has failed.1Body
B19D11FMobile network timeout. Circuit Intermittent.1Body
B19D21FGPIO immobilizer reset due to system reset. Circuit Intermittent.1Body
B19D300The central processing unit does not start. General Failure Information. MBIST failure during startup1Body
B19D302The central processing unit does not start. General Signal Failure. MonBIST failure during startup1Body

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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