P0650 Volvo Malfunction Indicator Lamp Control Circuit Malfunction Possible causes – Faulty Malfunction Indicator Lamp Bulb– Malfunction Indicator Lamp Bulb harness is open or shorted– Malfunction Indicator Lamp Bulb circuit poor electrical connection– Faulty Engine Control Module (ECM) What about the obd code? – An excessively high voltage is sent to Engine Control Module (ECM)…
P0649 Volvo Speed Control Lamp Control Circuit
P0649 Volvo Speed Control Lamp Control Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60
P0648 Volvo Immobilizer Lamp Control Circuit
P0648 Volvo Immobilizer Lamp Control Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60
P0647 Volvo Air Conditioning Clutch Relay Circuit High
P0647 Volvo Air Conditioning Clutch Relay Circuit High Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection What about the obd code? Code P0647 Volvo may be stored if an open or short exists in A/C clutch relay control…
P0646 Volvo Air Conditioning Clutch Relay Circuit Low
P0646 Volvo Air Conditioning Clutch Relay Circuit Low Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection What about the obd code? Code P0646 Volvo may be stored if an open or short exists in A/C clutch relay control…
P0645 Volvo Air Conditioning Clutch Relay Circuit Malfunction
P0645 Volvo Air Conditioning Clutch Relay Circuit Malfunction Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection What about the obd code? The P0645 Volvo code is stored if an open or short exists in A/C clutch relay control…
P0644 Volvo Driver Display Serial Communication Circuit
P0644 Volvo Driver Display Serial Communication Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60
P0643 Volvo Sensor Reference Voltage A Circuit High
P0643 Volvo Sensor Reference Voltage A Circuit High Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit What about the obd code? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher than…
P0642 Volvo Sensor Voltage Circuit A Low Voltage
P0642 Volvo Sensor Voltage Circuit A Low Voltage Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit Tech description There is a factory service bulletin for the P0642 Volvo code for the following models: 2005-2007 Audi A32005-2007 Audi A42007…
P0641 Volvo 5 Volt Reference Voltage Incorrect
P0641 Volvo 5 Volt Reference Voltage Incorrect Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit What about the obd code? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher or lower…
P0640 Volvo Manifold Intake Air Heater
P0640 Volvo Manifold Intake Air Heater Possible causes – Faulty Intake Air Heater– Intake Air Heater harness is open or shorted– Intake Air Heater circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0640 Volvo Description The intake air (IA) heater is located in the air inlet tube and…
P063F Volvo Auto Configuration Engine Coolant Temperature (ECT) Input Not Present
P063F Volvo Auto Configuration Engine Coolant Temperature (ECT) Input Not Present OBD Code: System: Subsystem: P063F Volvo – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Auto Configuration Engine Coolant Temperature (ECT) Input Not Present Location: Analysis: Possible Causes: Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo…
P063E Volvo Auto Configuration Throttle Input Not Present
P063E Volvo Auto Configuration Throttle Input Not Present OBD Code: System: Subsystem: P063E Volvo – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Auto Configuration Throttle Input Not Present Location: Analysis: Possible Causes: Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60
P063D Volvo Generator Voltage Sensor Circuit High
P063D Volvo Generator Voltage Sensor Circuit High OBD Code: System: Subsystem: P063D Volvo – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Generator Voltage Sensor Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo…
P063C Volvo Generator Voltage Sensore Circuit Low
P063C Volvo Generator Voltage Sensore Circuit Low OBD Code: System: Subsystem: P063C Volvo – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Generator Voltage Sensore Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo…
P063B Volvo Generator Voltage Sensore Circuit Range / Performance
P063B Volvo Generator Voltage Sensore Circuit Range / Performance OBD Code: System: Subsystem: P063B Volvo – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Generator Voltage Sensore Circuit Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo…
P063A Volvo Generator Voltage Sensore Circuit
P063A Volvo Generator Voltage Sensore Circuit OBD Code: System: Subsystem: P063A Volvo – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Generator Voltage Sensore Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60
P0639 Volvo Throttle Actuator Control Range/Performance
P0639 Volvo Throttle Actuator Control Range/Performance Possible causes – Drive-by-wire control system malfunction– Throttle actuator malfunction– Throttle valve malfunction– PCM malfunction Tech description Dirty or clogged throttle body can triggered the P0639 Volvo code. Before replacing any parts try cleaning the throttle body and reset the engine light. Symptoms – Engine Light ON (or Service…
P0638 Volvo Throttle Actuator Control Range/Performance
P0638 Volvo Throttle Actuator Control Range/Performance Possible causes – Drive-by-wire control system malfunction– Throttle actuator malfunction– Throttle valve malfunction– PCM malfunction Tech description Dirty or clogged throttle body can triggered the P0638 Volvo code. Before replacing any parts try cleaning the throttle body and reset the engine light. Symptoms – Engine Light ON (or Service…
P0637 Volvo Power Steering Control Circuit High
P0637 Volvo Power Steering Control Circuit High Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60