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
P0AFAA2The power supply of the high-voltage on-board electrical system is too low. The system voltage is too low.1Powertrain
P0AFBThe bus voltage is higher than the upper limit of the operating voltage28Powertrain
P0AFB00Hybrid/EV Battery System Voltage High2Powertrain
P0AFB17The power supply of the high-voltage on-board electrical system is too high.1Powertrain
P0AFBA3The power supply of the high-voltage on-board electrical system is too high. The system voltage is too high.1Powertrain
P0AFBFBDie Spannungsversorgung des Hochvolt-Bordnetzes ist zu hoch.1Powertrain
P0AFDTotal voltage too high10Powertrain
P0AFD00Hybrid/EV Battery Pack Temperature Too Low1Powertrain
P0AFD9DThe temperature of the hybrid/high-voltage battery module is too low. The component or the system has undertemperature.1Powertrain
P0B0018Pump1 Motor PhaseA current -Too low1Powertrain
P0B0019Pump1 PhaseA HS current - Too High -> initiate intrusive sequence for StB or STG detection1Powertrain
P0B001DPump1 PhaseA LS current - Too High -> initiate intrusive sequence for StB or STG detection1Powertrain
P0B0900Pump1 PhaseA HS current - Too High -> initiate intrusive sequence for StB or STG detection1Powertrain
P0B0901Pump1 PhaseB HS current - Too High -> initiate intrusive sequence for StB or STG detection1Powertrain
P0B0D93Electric/Auxiliary Transmission Fluid Pump Motor Control Module1Powertrain
P0B0EHybrid Battery Pack Current Sensor 'B' Circuit25Powertrain
P0B0E02Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. General Signal Failure.1Powertrain
P0B0E04Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. System Internal Failure.1Powertrain
P0B0E09Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Component Failure.1Powertrain
P0B0E18Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Circuit Current Below Threshold.1Powertrain
P0B0E19Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Circuit Current Above Threshold.1Powertrain
P0B0E1DSensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Circuit Current Out of Range.1Powertrain
P0B0E1FSensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Circuit Intermittent.1Powertrain
P0B0E29Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Signal Invalid.1Powertrain
P0B0E2ASensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. There is no signal change.1Powertrain
P0B0E56Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Invalid / Incompatible Configuration.1Powertrain
P0B0E62Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Signal Compare Failure.1Powertrain
P0B0E96Sensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Component Internal Failure.1Powertrain
P0B0E9ASensor B for the battery current in the hybrid/high-voltage battery module has an electrical fault. Component or System Operating Conditions.1Powertrain
P0B0FHybrid/EV Battery Pack Current Sensor B Circuit Range/Performance26Powertrain
P0B0F16Sensor B for the battery current in the hybrid/high-voltage battery module has a malfunction. The limit value for electrical voltage has not been attained.1Powertrain
P0B0F18Sensor B for the battery current in the hybrid/high-voltage battery module has a malfunction. The limit value for current has not been attained.1Powertrain
P0B0F19Sensor B for the battery current in the hybrid/high-voltage battery module has a malfunction. The limit value for current has been exceeded.1Powertrain
P0B10Hybrid/EV Battery Pack Current Sensor B Circuit Low28Powertrain
P0B1000Battery current sensor B in the high-voltage battery module has a short circuit to ground.1Powertrain
P0B11Hybrid/EV Battery Pack Current Sensor B Circuit High27Powertrain
P0B1100Battery current sensor B in the high-voltage battery module has a short circuit to positive.1Powertrain
P0B13Hybrid/EV Battery Pack Current Sensor A/B Correlation26Powertrain
P0B1364The values of sensors A and B for the battery current in the hybrid/high-voltage battery module are implausible in relation to each other. Signal Plausibility Failure.1Powertrain
P0B14Hybrid Battery Pack Voltage Sense 'B' Circuit22Powertrain
P0B15Hybrid Battery Pack Voltage Sense 'B' Circuit Range/Performance20Powertrain
P0B1500Hybrid/EV Battery Pack Voltage Sense 'B' Circuit Range/Performance1Powertrain
P0B1516Sensor B for the battery voltage in the hybrid/high-voltage battery module has a malfunction. The limit value for electrical voltage has not been attained.1Powertrain
P0B151CSensor B for the battery voltage in the hybrid/high-voltage battery module has a malfunction. The voltage value is outside the permissible range.1Powertrain
P0B16Hybrid Battery Pack Voltage Sense 'B' Circuit Low20Powertrain
P0B1611Sensor B for the battery voltage in the hybrid/high-voltage battery module has a short circuit to ground. There is a short circuit to ground.1Powertrain
P0B17Hybrid Battery Pack Voltage Sense 'B' Circuit High20Powertrain
P0B1700Hybrid/EV Battery Pack Voltage Sense 'B' Circuit High1Powertrain
P0B1701PackV measurement implausible1Powertrain
P0B192ASensor C for the battery voltage in the hybrid/high-voltage battery module has an electrical fault. There is no signal change.1Powertrain

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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