P0485 Cooling Fan Power/Ground Circuit Malfunction Possible causes – Faulty fan control relay– Faulty cooling fan– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection What about the obd code? The P0485 code is…
Category: OBDii Powertrain Codes
P0486 Exhaust Gas Recirculation Sensor B Circuit
P0486 Exhaust Gas Recirculation Sensor B Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0486 Description Exhaust Gas Recirculation (EGR)
P0487 Exhaust Gas Recirculation Throttle Control Circuit A Open
P0487 Exhaust Gas Recirculation Throttle Control Circuit A Open Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0487 Description Exhaust Gas Recirculation (EGR)
P0488 Exhaust Gas Recirculation Throttle Control Circuit A Range/Performance
P0488 Exhaust Gas Recirculation Throttle Control Circuit A Range/Performance Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0488 Description Exhaust Gas Recirculation (EGR)
P0489 Exhaust Gas Recirculation Throttle Control Circuit A Circuit Low
P0489 Exhaust Gas Recirculation Throttle Control Circuit A Circuit Low Possible causes – Faulty Exhaust Gas Recirculation (EGR) Solenoid– Exhaust Gas Recirculation (EGR) Solenoid harness is open or shorted– Exhaust Gas Recirculation (EGR) Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0489 Description The Engine Control Module…
P0479 Exhaust Pressure Control Valve Intermittent
P0479 Exhaust Pressure Control Valve Intermittent 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…
P047A Exhaust Pressure (Sensor B) Circuit
P047A Exhaust Pressure (Sensor B) Circuit OBD Code: System: Subsystem: P047A – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Location: Analysis: Possible Causes: Sensor B Circuit Issue Tech description:
P047B Exhaust Pressure (Sensor B) Circuit Range / Performance
P047B Exhaust Pressure (Sensor B) Circuit Range / Performance OBD Code: System: Subsystem: P047B – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Range / Performance Location: Analysis: Possible Causes: Sensor B Out of Expected Range Tech description:
P047C Exhaust Pressure (Sensor B) Circuit Low
P047C Exhaust Pressure (Sensor B) Circuit Low OBD Code: System: Subsystem: P047C – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Low Location: Analysis: Possible Causes: Sensor B End of Range – Circuit Lower Than Expected Tech description:
P047D Exhaust Pressure (Sensor B) Circuit High
P047D Exhaust Pressure (Sensor B) Circuit High OBD Code: System: Subsystem: P047D – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit High Location: Analysis: Possible Causes: Sensor B End of Range – Circuit Higher Than Expected Tech description:
P047E Exhaust Pressure (Sensor B) Circuit Intermittent / Erratic
P047E Exhaust Pressure (Sensor B) Circuit Intermittent / Erratic OBD Code: System: Subsystem: P047E – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Sensor B Periodically Unstable Circuit Tech description:
P0480 Cooling Fan 1 Control Circuit Malfunction
P0480 Cooling Fan 1 Control Circuit Malfunction Possible causes – Faulty fan control relay– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Faulty cooling fan 1– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection What about the obd code? The P0480…
P0481 Cooling Fan 2 Control Circuit
P0481 Cooling Fan 2 Control Circuit Possible causes – Faulty fan control relay– Faulty cooling fan 2– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection What about the obd code? The P0481 code…
P0477 Exhaust Pressure Control Valve Low
P0477 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…
P0478 Exhaust Pressure Control Valve High
P0478 Exhaust Pressure Control Valve High 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…
P0468 Purge Flow Sensor Circuit High Input
P0468 Purge Flow Sensor Circuit High Input Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0468 Information for specific makes
P0469 Purge Flow Sensor Circuit Intermittent
P0469 Purge Flow Sensor Circuit Intermittent Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0469 Information for specific makes
P0470 Exhaust Pressure Sensor Malfunction
P0470 Exhaust Pressure Sensor Malfunction Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection Tech description Replacing the exhaust back pressure usually takes care of the problem What about the obd code? An Exhaust Back Pressure (EBP) signal that…
P0471 Exhaust Pressure Sensor Range/Performance
P0471 Exhaust Pressure Sensor Range/Performance Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection Tech description Replacing the exhaust back pressure usually takes care of the problem What about the obd code? An Exhaust Back Pressure (EBP) signal that…
P0471 Exhaust Pressure Sensor Range/Performance
P0471 Exhaust Pressure Sensor Range/Performance Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection Tech description Replacing the exhaust back pressure usually takes care of the problem What about the obd code? An Exhaust Back Pressure (EBP) signal that…