Description OBD-II Trouble Code Description for P0477 Alfa Romeo Exhaust Pressure Control Valve Low What does this mean? OBD2 Code P0477 Alfa Romeo definition: Exhaust Back Pressure Regulator – Is a variable position valve that controls exhaust back pressure during cold ambient temperatures to increase cab heat and decrease the amount of time needed to…
Tag: P0477
P0477 Acura Exhaust Pressure Control Valve Low
Description OBD-II Trouble Code Description for P0477 Acura Exhaust Pressure Control Valve Low What does this mean? OBD2 Code P0477 Acura definition: Exhaust Back Pressure Regulator – Is a variable position valve that controls exhaust back pressure during cold ambient temperatures to increase cab heat and decrease the amount of time needed to defrost the…
P0477 JEEP Low Voltage On The Engine Brake Driver
Possible causes – Faulty Engine Brake Driver Relay– Engine Brake Driver harness is open or shorted– Engine Brake Driver circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected that the signal from the engine brake driver output does not match the driver feedback signal. Symptoms – Engine…
P0477 FORD Exhaust Pressure Control Valve Low
Possible causes – Faulty Exhaust Back Pressure Valve– Exhaust Back Pressure Valve harness is open or shorted– Exhaust Back Pressure Valve circuit poor electrical connection Tech description Check the Exhaust Back Pressure Valve (EBPV) butterfly valve is opening and closing freely and not sticking. If it seems to move freely you can then check the…
P0477 DODGE Low Voltage On The Engine Brake Driver
Possible causes – Faulty Engine Brake Driver Relay– Engine Brake Driver harness is open or shorted– Engine Brake Driver circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected that the signal from the engine brake driver output does not match the driver feedback signal. Symptoms – Engine…
P0477 CHRYSLER Low Voltage On The Engine Brake Driver
Possible causes – Faulty Engine Brake Driver Relay– Engine Brake Driver harness is open or shorted– Engine Brake Driver circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected that the signal from the engine brake driver output does not match the driver feedback signal. Symptoms – Engine…
P0477 BMW Exhaust Gas Flap Activation Low
Possible causes – Faulty Exhaust Back Pressure Valve– Exhaust Back Pressure Valve harness is open or shorted– Exhaust Back Pressure Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)