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Showing matches for "Mercedes-Benz A-Class".

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Fault CodeABS / stability control

C1112: ABS pump motor or supply circuit fault

The brake-control module detects a fault in the ABS pump motor circuit or its power supply.

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Fault CodeChassis / suspension

C1130: Chassis control or suspension pressure fault

A chassis or suspension control module has detected an implausible pressure, height, or control-state condition.

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Fault CodeVariable valve timing

P0011: Intake camshaft timing over-advanced, bank 1

The intake camshaft is more advanced than the ECU expects for the current operating condition.

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Fault CodeVariable valve timing

P0014: Exhaust camshaft timing over-advanced, bank 1

The exhaust camshaft position is more advanced than commanded or is slow to return to the expected position.

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Fault CodeTurbocharging

P0046: Turbocharger boost-control circuit range / performance

Turbo actuator or boost-control response is outside the range expected by the ECU.

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Fault CodeAir metering

P0068: Throttle body airflow correlation

Throttle position, manifold pressure, and measured airflow do not agree with one another.

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Fault CodeAir metering

P0101: Mass-air-flow signal range / performance

Airflow reported by the MAF sensor does not agree with the ECU's calculated operating conditions.

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Fault CodeAir metering

P0102: Mass-air-flow circuit low input

The MAF sensor signal is lower than expected for the engine speed and load.

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Fault CodeAir metering

P0106: Manifold absolute pressure range / performance

The MAP sensor signal does not match the pressure expected from throttle position, boost, engine speed, and airflow.

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Fault CodeAir metering

P0113: Intake-air temperature sensor circuit high

The ECU sees an intake-air temperature signal that is higher voltage than expected, often interpreted as an unrealistically cold reading.

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Fault CodeTurbocharging

P0234: Turbocharger overboost condition

Boost pressure exceeded the ECU's permitted target for the operating condition.

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Fault CodeTurbocharging

P0236: Turbo boost sensor range / performance

The charge-pressure signal is outside the expected range or disagrees with operating conditions.

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Fault CodeCamshaft sensing

P0340: Camshaft position sensor circuit, bank 1

The ECU is missing or cannot trust the camshaft position signal on bank 1.

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Fault CodeSecondary air

P0411: Secondary-air injection incorrect flow

The ECU does not see the expected oxygen-sensor response when the secondary-air system runs on cold start.

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Fault CodeEVAP

P0441: EVAP purge flow incorrect

The fuel-vapor purge system flow is not matching the ECU's commanded behavior.

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Fault CodeEVAP

P0442: EVAP system small leak detected

The fuel-vapor system cannot hold the small vacuum or pressure change expected during the leak test.

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Fault CodeEVAP

P0455: EVAP system gross leak detected

The fuel-vapor system has a large leak or cannot seal during its self-test.

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Fault CodeEVAP

P0456: EVAP system very small leak detected

The fuel-vapor system has a very small leak during the ECU's leak test.

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Fault CodeExhaust / DPF

P0471: Exhaust pressure sensor range / performance

The exhaust-pressure sensor signal is implausible for engine load, speed, and DPF pressure conditions.

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Fault CodeExhaust temperature sensing

P0544: Exhaust-gas temperature sensor circuit, bank 1 sensor 1

The ECU sees an electrical fault in an exhaust-temperature sensor used to protect the turbo and emissions system.

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Fault CodeElectrical power

P0562: System voltage low

System voltage fell below the level expected by the ECU during operation.

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Fault CodeTransmission

P0700: Transmission control system requested warning

The engine controller has been told by the transmission controller that a gearbox-related fault is present.

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Fault CodeAutomatic transmission

P0706: Transmission range sensor circuit range / performance

The selected gear or park/neutral signal is implausible for the transmission's actual state.

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Fault CodeTransmission

P0730: Incorrect gear ratio

The gearbox input and output speeds do not match the gear ratio the controller expected.

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Fault CodeTransmission

P0741: Torque converter clutch stuck off / performance

The torque converter clutch is not locking as expected or slip remains too high.

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Fault CodeTransmission

P0750: Shift solenoid A malfunction

The transmission controller detected an electrical or hydraulic problem with shift solenoid A.

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Fault CodeTransmission

P0868: Transmission fluid pressure low

The transmission controller sees lower hydraulic pressure than required for reliable clutch or gear operation.

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Fault CodeAir metering

P1101: Intake airflow system performance

Measured intake airflow does not match the ECU model across the expected operating range.

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Fault CodeIntake manifold

P2008: Intake manifold runner control circuit open

The ECU detects an open circuit in the intake runner or swirl-flap control system.

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Fault CodeIntake control

P2015: Intake-manifold runner position range / performance

The intake-runner position signal is outside the range expected by the controller.

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Fault CodeAdBlue / SCR

P204F: Reductant system performance

The reductant system is not meeting the performance expected by the emissions controller.

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Fault CodeAdBlue / SCR

P20EE: SCR NOx catalyst efficiency below threshold

The SCR system is not reducing NOx emissions as effectively as the ECU expects.

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Fault CodeTurbocharging

P2263: Turbocharger boost-system performance

The complete turbocharging system is not producing or controlling boost as expected.

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Fault CodeAir metering

P2279: Intake air system leak

The ECU detects extra unmetered air entering the intake system.

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Fault CodeTurbocharging

P2563: Turbocharger boost-control position sensor range / performance

The reported turbo actuator position does not match the requested or mechanically possible range.

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Fault CodeAutomatic transmission

P2714: Pressure control solenoid D performance or stuck off

The transmission controller detects incorrect hydraulic pressure response from a pressure-control solenoid circuit.

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