Tag: BMW

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0440 code means that the control module has detected a…

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0442 code means that the control module has detected a…

Possible causes – Not enough fuel in tank– Faulty spark plugs plug wires– Faulty injectors– Vacuum leaks– Faulty Fuel Sender Unit– Fuel Sender Unit harness open or shorted– Fuel Sender Unit poor electrical connection When is the obd code mean? Misfire detected with low fuel Symptoms – Engine Light ON (or Service Engine Soon Warning…

Possible causes – Open or short cooling fan 1 relay circuit– Faulty low speed radiator fan relay– Faulty electric fan Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating P0692 BMW OBD Code Description The Engine Control Module (ECM) detected a high fan 1 control circuit

Possible causes – Open or shorted interior temperature sensor circuit condition– Poor interior temperature sensor electrical connection– Faulty ECM /TCM Tech description Replace DME as sensor is internal component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0668 BMW OBD Code Description PCM/ECM/TCM internal temperature sensor circuit low

Possible causes – Open or shorted interior temperature sensor circuit condition– Poor interior temperature sensor electrical connection– Faulty ECM /TCM Tech description Replace DME as sensor is internal component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0669 BMW OBD Code Description PCM/ECM/TCM internal temperature sensor circuit high

Possible causes – Oxygen sensor harness is open or shorted– Oxygen sensor circuit poor electrical connection– Exhaust system leak– Faulty front or rear (pre-cat or downstream) sxygen sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness is open or shorted– Torque converter clutch solenoid valve circuit poor electrical connection When is the obd code mean? Diagnostic trouble code P0740 is detected when TCM detects an improper voltage drop when…

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem Tech description When the a transmission solenoid is stuck on, in most cases the problem is not…

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem When is the obd code mean? Lock-up does not occur when driving in lock-up range or lockup…