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
P0655Engine Hot Lamp Output Control Circuit28Powertrain
P0656Fuel Level Output Circuit29Powertrain
P0657Actuator Supply Voltage A Circuit/Open38Powertrain
P065700The power supply of the actuators has an electrical fault or an open circuit2Powertrain
P065701The power supply of the actuators has an electrical fault or an open circuit. General Electrical Failure.1Powertrain
P065704The power supply of the actuators has an electrical fault or an open circuit. System Internal Failure1Powertrain
P065711Die Stromversorgung der Aktuatoren hat Funktionsstörung. Es liegt ein Kurzschluss nach Masse vor.1Powertrain
P065712Die Stromversorgung der Aktuatoren hat Funktionsstörung. Es liegt ein Kurzschluss nach Plus vor.1Powertrain
P065713The power supply of the actuators has an electrical fault or an open circuit. Circuit Open1Powertrain
P065716The power supply of the actuators has an electrical fault or an open circuit. Circuit Voltage Below1Powertrain
P065717The power supply of the actuators has an electrical fault or an open circuit. Circuit Voltage Above1Powertrain
P06571CThe power supply of the actuators has an electrical fault or an open circuit. The voltage value is outside the permissible range.1Powertrain
P06571EThe power supply of the actuators has an electrical fault or an open circuit. Circuit Resistance Out of Range1Powertrain
P065753The power supply of the actuators has an electrical fault or an open circuit. The component is deactivated.1Powertrain
P0658Actuator Supply Voltage A Circuit Low34Powertrain
P065800H-Bridge Supply Voltage out of range low2Powertrain
P065900H-Bridge Supply Voltage out of range high1Powertrain
P065BGenerator electrical fault28Powertrain
P065B00Der Generator hat Funktionsstörung.2Powertrain
P065B04The alternator has a malfunction. There is an internal fault.1Powertrain
P065B13Der Generator hat Funktionsstoerung. Es liegt eine Unterbrechung vor.1Powertrain
P065B16The alternator has a malfunction. The limit value for electrical voltage has not been attained.1Powertrain
P065B17The alternator has a malfunction. The limit value for electrical voltage has been exceeded.1Powertrain
P0660Intake Manifold Tuning Valve Control Circuit/Open (Bank 1)34Powertrain
P0666Control Module Internal Temperature Sensor A Circuit32Powertrain
P066600TCU Internal Temperature Sensor1Powertrain
P066601The internal temperature sensor of the control unit has an electrical fault. There is a general electrical fault.1Powertrain
P066602The internal temperature sensor of the control unit has an electrical fault. There is a general signal fault.2Powertrain
P066603The internal temperature sensor of the control unit has an electrical fault. There is a frequency or pulse width modulation fault.1Powertrain
P066604The internal temperature sensor of the control unit has an electrical fault. There is an internal fault.1Powertrain
P066609The internal temperature sensor of the control unit has an electrical fault. There is a component fault.1Powertrain
P066611The internal temperature sensor of the control unit has an electrical fault. There is a short circuit to ground1Powertrain
P066612The internal temperature sensor of the control unit has an electrical fault. There is a short circuit to positive1Powertrain
P066613Control Module Internal Temperature Sensor 'A' Circuit - circuit open1Powertrain
P066616Control Module Internal Temperature Sensor 'A' Circuit Circuit Voltage Below Threshold1Powertrain
P066617Control Module Internal Temperature Sensor 'A' Circuit Circuit Voltage Above Threshold1Powertrain
P06661FThe internal temperature sensor of the control unit has an electrical fault. There is a sporadic fault.1Powertrain
P066625The internal temperature sensor of the control unit has an electrical fault. There is a faulty signal waveform.1Powertrain
P066626The internal temperature sensor of the control unit has an electrical fault. The signal change rate is below the permissible limit value.1Powertrain
P066627The internal temperature sensor of the control unit has an electrical fault. The signal change rate is above the permissible limit value.1Powertrain
P066628The internal temperature sensor of the control unit has an electrical fault. The signal offset is outside the permissible range.1Powertrain
P066629The internal temperature sensor of the control unit has an electrical fault. There is an invalid signal.1Powertrain
P06662AThe internal temperature sensor of the control unit has an electrical fault. There is no signal change.1Powertrain
P06662FThe internal temperature sensor of the control unit has an electrical fault. There is an erratic signal.1Powertrain
P066664The internal temperature sensor of the control unit has an electrical fault. There is an implausible signal.1Powertrain
P066665The internal temperature sensor of the control unit has an electrical fault. The signal has too few transitions or events.1Powertrain
P066666The internal temperature sensor of the control unit has an electrical fault. The signal has too many transitions or events.1Powertrain
P066684Board Temperature Sensor signal too Low1Powertrain
P066685Board Temperature Sensor signal too High1Powertrain
P06669DThe internal temperature sensor of the control unit has an electrical fault. The component or the system has undertemperature1Powertrain

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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