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Showing matches for "Mercedes-Benz B-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 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 CodeTurbocharging

P0234: Turbocharger overboost condition

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

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Fault CodeTurbocharging

P0299: Turbocharger underboost condition

The engine did not produce the boost pressure requested by the controller.

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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 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 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 CodeEngine timing

P0017: Crankshaft / camshaft timing correlation, bank 1 sensor B

The exhaust-camshaft and crankshaft signals on bank 1 are outside their expected relationship.

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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 CodeOxygen sensing

P0130: Oxygen sensor circuit malfunction, bank 1 sensor 1

The upstream oxygen or lambda sensor signal is implausible, missing, or outside the control range expected by the ECU.

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Fault CodeFuel mixture

P0171: System too lean, bank 1

Fuel trim has reached a lean threshold because the ECU is adding more fuel than expected.

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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 CodeEmissions

P0420: Catalyst efficiency below threshold, bank 1

Upstream and downstream oxygen-sensor behavior suggests insufficient catalyst oxygen-storage performance.

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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 CodeTransmission

P0715: Input / turbine speed sensor circuit

The transmission controller cannot trust the input or turbine speed signal.

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Fault CodeDPF

P2002: Diesel particulate filter efficiency below threshold

The ECU calculates that particulate-filter performance is below its required threshold.

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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 CodeFuel mixture / emissions

P2195: Oxygen sensor signal stuck lean, bank 1 sensor 1

The upstream oxygen sensor on bank 1 remains at a lean indication despite ECU correction.

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Fault CodeAdBlue / SCR

P2BA9: NOx exceedance due to insufficient reductant quality

The SCR system calculates excessive NOx emissions associated with reductant quality or dosing performance.

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Fault CodeVehicle network

U0121: Lost communication with ABS control module

Modules on the vehicle network are not receiving expected messages from the ABS or stability-control controller.

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Fault CodeNetwork communication

U0140: Lost communication with body control module

One or more modules have lost communication with the body control module.

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Fault CodeNetwork communication

U0415: Invalid data received from ABS control module

Another module is receiving implausible or corrupted data from the ABS or stability-control module.

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Fault CodeOxygen sensing

P0030: Heated oxygen sensor heater control circuit, bank 1 sensor 1

The ECU detects an electrical fault in the heater circuit for the upstream oxygen sensor.

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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 CodeCooling system

P0128: Coolant thermostat below regulating temperature

The engine is taking too long to reach expected operating temperature or is running cooler than the ECU expects.

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Fault CodeOxygen sensing

P0135: Oxygen sensor heater circuit, bank 1 sensor 1

The upstream oxygen sensor heater circuit is not operating as expected.

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Fault CodeOxygen sensing

P0141: Oxygen sensor heater circuit, bank 1 sensor 2

The downstream oxygen sensor heater circuit is not reaching expected operation.

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Fault CodeCooling system

P261A: Coolant pump B control circuit open

The ECU detects an open circuit in an auxiliary or electrically driven coolant-pump circuit.

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Fault CodeABS / stability control

C0035: Left front wheel-speed sensor circuit

The ABS module sees an implausible or missing signal from the left front wheel-speed sensor circuit.

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Fault CodeABS / stability control

C0040: Right front wheel-speed sensor circuit

The ABS module sees an implausible or missing signal from the right front wheel-speed sensor circuit.

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Fault CodeCombustion

P0301: Cylinder 1 misfire detected

The ECU detected repeated combustion misfires on cylinder 1.

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Fault CodeCombustion

P0302: Cylinder 2 misfire detected

The ECU detected repeated combustion misfires on cylinder 2.

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Fault CodeCombustion

P0303: Cylinder 3 misfire detected

The ECU detected repeated combustion misfires on cylinder 3.

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Fault CodeCombustion

P0305: Cylinder 5 misfire detected

The ECU detects repeated combustion failure specifically on cylinder 5.

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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 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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