P2652 Chevrolet B Rocker Arm Actuator System Stuck On (Bank 1) Possible causes – Low engine oil level – Faulty Rocker Arm Oil Control Solenoid – Faulty EOP (Engine Oil Pressure) sensor – Incorrect oil type used – Engine mechanical condition Tech description The most common problem that can set the P2652 Chevrolet code is…
Category: Chevrolet
P2653 Chevrolet B Rocker Arm Actuator Control Circuit Low (Bank 1)
P2653 Chevrolet B Rocker Arm Actuator Control Circuit Low (Bank 1) OBD Code: System: Subsystem: P2653 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: B Rocker Arm Actuator Control Circuit Low (Bank 1) Location: Analysis: Possible Causes: Bank 1 End of Range – Circuit Lower Than Expected Tech description:
P2650 Chevrolet B Rocker Arm Actuator Control Circuit / Open (Bank 1)
P2650 Chevrolet B Rocker Arm Actuator Control Circuit / Open (Bank 1) OBD Code: System: Subsystem: P2650 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: B Rocker Arm Actuator Control Circuit / Open (Bank 1) Location: Analysis: Possible Causes: Bank 1 Open Circuit Tech description:
P2651 Chevrolet B Rocker Arm Actuator System Performance / Stuck Off (Bank 1)
P2651 Chevrolet B Rocker Arm Actuator System Performance / Stuck Off (Bank 1) OBD Code: System: Subsystem: P2651 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: B Rocker Arm Actuator System Performance / Stuck Off (Bank 1) Location: Analysis: Possible Causes: Bank 1 Stuck Off Tech description:
P264C Chevrolet A Rocker Arm Actuator Position Sensor Circuit Low (Bank 1)
P264C Chevrolet A Rocker Arm Actuator Position Sensor Circuit Low (Bank 1) OBD Code: System: Subsystem: P264C Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: A Rocker Arm Actuator Position Sensor Circuit Low (Bank 1) Location: Analysis: Possible Causes: Bank 1 End of Range – Circuit Lower Than Expected Tech description:
P264D Chevrolet A Rocker Arm Actuator Position Sensor Circuit High (Bank 1)
P264D Chevrolet A Rocker Arm Actuator Position Sensor Circuit High (Bank 1) OBD Code: System: Subsystem: P264D Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: A Rocker Arm Actuator Position Sensor Circuit High (Bank 1) Location: Analysis: Possible Causes: Bank 1 End of Range – Circuit Higher Than Expected Tech description:
P264E Chevrolet A Rocker Arm Actuator Position Sensor Circuit Intermittent / Erratic (Bank 1)
P264E Chevrolet A Rocker Arm Actuator Position Sensor Circuit Intermittent / Erratic (Bank 1) OBD Code: System: Subsystem: P264E Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: A Rocker Arm Actuator Position Sensor Circuit Intermittent / Erratic (Bank 1) Location: Analysis: Possible Causes: Bank 1 Periodically Unstable Circuit Tech description:
P2648 Chevrolet VTEC Solenoid Valve Circuit Low Voltage
P2648 Chevrolet VTEC Solenoid Valve Circuit Low Voltage Possible causes – Check engine oil level and pressure– Faulty VTEC Solenoid Valve– VTEC Solenoid Valve harness is open or shorted– VTEC Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2648 Chevrolet Description The VTEC system activates the…
P2649 Chevrolet VTEC Solenoid Valve Circuit High Voltage
P2649 Chevrolet VTEC Solenoid Valve Circuit High Voltage Possible causes – Check engine oil level and pressure– Faulty VTEC Solenoid Valve– VTEC Solenoid Valve harness is open or shorted– VTEC Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2649 Chevrolet Description The VTEC system activates the…
P264A Chevrolet A Rocker Arm Actuator Position Sensor Circuit (Bank 1)
P264A Chevrolet A Rocker Arm Actuator Position Sensor Circuit (Bank 1) OBD Code: System: Subsystem: P264A Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: A Rocker Arm Actuator Position Sensor Circuit (Bank 1) Location: Analysis: Possible Causes: Bank 1 Circuit Issue Tech description:
P264B Chevrolet A Rocker Arm Actuator Position Sensor Circuit Range / Performance (Bank 1)
P264B Chevrolet A Rocker Arm Actuator Position Sensor Circuit Range / Performance (Bank 1) OBD Code: System: Subsystem: P264B Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: A Rocker Arm Actuator Position Sensor Circuit Range / Performance (Bank 1) Location: Analysis: Possible Causes: Bank 1 Out of Expected Range Tech description:
P2645 Chevrolet Oil Control Valve for Variable Valve Timing and Lift
P2645 Chevrolet Oil Control Valve for Variable Valve Timing and Lift Possible causes – Open or short circuit condition– Failed oil pressure switch– Failed oil control valve for VVTL P2645 Chevrolet Description In order to improve engine performance at low and high speed, the Variable Valve Timing and Lift – intelligent (VVTL-i) system varies the…
P2646 Chevrolet VTEC Oil Pressure Switch Circuit Low Voltage
P2646 Chevrolet VTEC Oil Pressure Switch Circuit Low Voltage Possible causes – Check engine oil level and pressure– Faulty VTEC Oil Pressure Switch– VTEC Oil Pressure Switch harness is open or shorted– VTEC Oil Pressure Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2646 Chevrolet Description The…
P2647 Chevrolet VTEC Oil Pressure Switch Circuit High Voltage
P2647 Chevrolet VTEC Oil Pressure Switch Circuit High Voltage Possible causes – Check engine oil level and pressure– Faulty VTEC Oil Pressure Switch– VTEC Oil Pressure Switch harness is open or shorted– VTEC Oil Pressure Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2647 Chevrolet Description The…
P2641 Chevrolet Torque Management Feedback (Signal B)
P2641 Chevrolet Torque Management Feedback (Signal B) OBD Code: System: Subsystem: P2641 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal B) Location: Analysis: Possible Causes: Signal B Tech description:
P2642 Chevrolet Torque Management Feedback (Signal B) Range / Performance
P2642 Chevrolet Torque Management Feedback (Signal B) Range / Performance OBD Code: System: Subsystem: P2642 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal B) Range / Performance Location: Analysis: Possible Causes: Signal B Out of Expected Range Tech description:
P2643 Chevrolet Torque Management Feedback (Signal B) Low
P2643 Chevrolet Torque Management Feedback (Signal B) Low OBD Code: System: Subsystem: P2643 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal B) Low Location: Analysis: Possible Causes: Signal B Signal Too Low Tech description:
P2644 Chevrolet Torque Management Feedback (Signal B) High
P2644 Chevrolet Torque Management Feedback (Signal B) High OBD Code: System: Subsystem: P2644 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal B) High Location: Analysis: Possible Causes: Signal B Signal Too High Tech description:
P2638 Chevrolet Torque Management Feedback (Signal A) Range / Performance
P2638 Chevrolet Torque Management Feedback (Signal A) Range / Performance OBD Code: System: Subsystem: P2638 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal A) Range / Performance Location: Analysis: Possible Causes: Signal A Out of Expected Range Tech description:
P2639 Chevrolet Torque Management Feedback (Signal A) Low
P2639 Chevrolet Torque Management Feedback (Signal A) Low OBD Code: System: Subsystem: P2639 Chevrolet – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal A) Low Location: Analysis: Possible Causes: Signal A Signal Too Low Tech description: