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41 results
Showing matches for "BMW 2 Series".
P0302: Cylinder 2 misfire detected
The ECU detected repeated combustion misfires on cylinder 2.
P029E: NOx sensor 2 circuit range / performance
The downstream NOx sensor signal is outside the range expected by the SCR system.
P261A: Coolant pump B control circuit open
The ECU detects an open circuit in an auxiliary or electrically driven coolant-pump circuit.
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.
P0102: Mass-air-flow circuit low input
The MAF sensor signal is lower than expected for the engine speed and load.
P0121: Throttle / pedal position sensor range / performance
The ECU sees a throttle or accelerator-position signal that is outside the expected relationship.
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.
P0141: Oxygen sensor heater circuit, bank 1 sensor 2
The downstream oxygen sensor heater circuit is not reaching expected operation.
P0172: System too rich, bank 1
Fuel trim has reached a rich threshold because the ECU is removing more fuel than expected.
P0217: Engine coolant over-temperature condition
The engine controller recorded coolant temperature above its safe operating threshold.
P0234: Turbocharger overboost condition
Boost pressure exceeded the ECU's permitted target for the operating condition.
P0236: Turbo boost sensor range / performance
The charge-pressure signal is outside the expected range or disagrees with operating conditions.
P0299: Turbocharger underboost condition
The engine did not produce the boost pressure requested by the controller.
P0325: Knock sensor circuit malfunction
The ECU is not receiving a plausible signal from the knock sensor circuit.
P0402: Exhaust-gas recirculation flow excessive
The ECU detects more EGR flow than requested, often because the valve is not closing correctly.
P0420: Catalyst efficiency below threshold, bank 1
Upstream and downstream oxygen-sensor behavior suggests insufficient catalyst oxygen-storage performance.
P0442: EVAP system small leak detected
The fuel-vapor system cannot hold the small vacuum or pressure change expected during the leak test.
P0562: System voltage low
System voltage fell below the level expected by the ECU during operation.
P0720: Output speed sensor circuit malfunction
The transmission controller does not receive a plausible output shaft speed signal.
P2002: Diesel particulate filter efficiency below threshold
The ECU calculates that particulate-filter performance is below its required threshold.
P2008: Intake manifold runner control circuit open
The ECU detects an open circuit in the intake runner or swirl-flap control system.
P2015: Intake-manifold runner position range / performance
The intake-runner position signal is outside the range expected by the controller.
P204F: Reductant system performance
The reductant system is not meeting the performance expected by the emissions controller.
P20EE: SCR NOx catalyst efficiency below threshold
The SCR system is not reducing NOx emissions as effectively as the ECU expects.
P2135: Throttle position sensor correlation
The redundant throttle-position signals disagree beyond the permitted tolerance.
P2181: Cooling system performance
The coolant temperature behavior is outside the expected warm-up or operating range.
P2187: System too lean at idle, bank 1
The ECU detects a lean condition mainly at idle, where small air leaks have a larger effect on mixture control.
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.
P2201: NOx sensor circuit range / performance
A NOx sensor signal or its controller behavior is outside the expected operating range.
P2263: Turbocharger boost-system performance
The complete turbocharging system is not producing or controlling boost as expected.
P2279: Intake air system leak
The ECU detects extra unmetered air entering the intake system.
P2293: Fuel pressure regulator 2 performance
The high-pressure fuel regulator cannot maintain the pressure requested by the ECU.
P242F: Diesel particulate filter ash accumulation
The ECU has calculated excessive ash or restriction in the diesel particulate filter.
P2453: DPF differential-pressure sensor range / performance
The pressure signal used to calculate DPF restriction is implausible or outside range.
P2458: DPF regeneration duration
A diesel particulate filter regeneration took too long or did not complete as expected.
P2459: Diesel particulate filter regeneration frequency
The ECU has detected that DPF regeneration is occurring more frequently than expected.