Tag: BMW

Possible causes – Timing Reference Optical Sensor harness is open or shorted– Timing Reference Optical Sensor circuit poor electrical connection– Faulty Timing Reference Optical Sensor– Damaged Powertrain Control Module (PCM) When is the obd code mean? Some high resolution pulses are intermittent from the optical sensor to the PCM Symptoms – Engine Light ON (or…

Possible causes – Valve timing– Camshaft reluctor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Valve timing– Camshaft reluctor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Variable Camshaft Timing Circuit open or shorted– Variable Camshaft Timing Circuit poor electrical connection– Failed Camshaft Actuator– Engine mechanical problems Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0010 BMW OBD Code Description Variable Camshaft Timing ‘A’ (VANOS) Circuit Continuity

Possible causes – Pre cat or downstream post cat o2 sensor harness is open or shorted– Pre cat or downstream post cat o2 sensor circuit poor electrical connection– Exhaust system leak– Faulty pre cat or downstream post cat o2 sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2098 BMW OBD Code…

Possible causes – Switching valve harness is open or shorted– Switching valve electrical circuit poor connection– Faulty Switching valve Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Three way catalyst converter Bank 1– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0420 code means that the vehicle’s control module has detected that the three-way…

Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the obd code mean? P0734 is detected when A/T cannot be shifted to the 4th gear position even…

Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the obd code mean? P0735 is detected when A/T cannot be shifted to the 5th gear position even…

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Incorrect fuel tank vacuum relief valve Tech description The P0441 code means that the control module has detected a leak in the Evaporative Emission (EVAP). Loose fuel tank…