P2656 Cadillac A Rocker Arm Actuator System Performance or Stuck Off (Bank 2)

P2656 Cadillac A Rocker Arm Actuator System Performance or Stuck Off (Bank 2) OBD Code: System: Subsystem:  P2656 Cadillac – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: A Rocker Arm Actuator System Performance or Stuck Off (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Stuck Off   Tech description: Cadillac Vehicle:Cadillac CTS Coupe,…

P2650 Cadillac B Rocker Arm Actuator Control Circuit / Open (Bank 1)

P2650 Cadillac B Rocker Arm Actuator Control Circuit / Open (Bank 1) OBD Code: System: Subsystem:  P2650 Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V…

P2651 Cadillac B Rocker Arm Actuator System Performance / Stuck Off (Bank 1)

P2651 Cadillac B Rocker Arm Actuator System Performance / Stuck Off (Bank 1) OBD Code: System: Subsystem:  P2651 Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe,…

P2652 Cadillac B Rocker Arm Actuator System Stuck On (Bank 1)

P2652 Cadillac 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 Cadillac code is…

P264B Cadillac A Rocker Arm Actuator Position Sensor Circuit Range / Performance (Bank 1)

P264B Cadillac A Rocker Arm Actuator Position Sensor Circuit Range / Performance (Bank 1) OBD Code: System: Subsystem:  P264B Cadillac – (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:…

P264C Cadillac A Rocker Arm Actuator Position Sensor Circuit Low (Bank 1)

P264C Cadillac A Rocker Arm Actuator Position Sensor Circuit Low (Bank 1) OBD Code: System: Subsystem:  P264C Cadillac – (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 Cadillac A Rocker Arm Actuator Position Sensor Circuit High (Bank 1)

P264D Cadillac A Rocker Arm Actuator Position Sensor Circuit High (Bank 1) OBD Code: System: Subsystem:  P264D Cadillac – (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 Cadillac A Rocker Arm Actuator Position Sensor Circuit Intermittent / Erratic (Bank 1)

P264E Cadillac A Rocker Arm Actuator Position Sensor Circuit Intermittent / Erratic (Bank 1) OBD Code: System: Subsystem:  P264E Cadillac – (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: Cadillac…

P2648 Cadillac VTEC Solenoid Valve Circuit Low Voltage

P2648 Cadillac 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 Cadillac Description The VTEC system activates the…

P2649 Cadillac VTEC Solenoid Valve Circuit High Voltage

P2649 Cadillac 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 Cadillac Description The VTEC system activates the…

P264A Cadillac A Rocker Arm Actuator Position Sensor Circuit (Bank 1)

P264A Cadillac A Rocker Arm Actuator Position Sensor Circuit (Bank 1) OBD Code: System: Subsystem:  P264A Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe ,…

P2645 Cadillac Oil Control Valve for Variable Valve Timing and Lift

P2645 Cadillac 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 Cadillac 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 Cadillac VTEC Oil Pressure Switch Circuit Low Voltage

P2646 Cadillac 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 Cadillac Description The…

P2647 Cadillac VTEC Oil Pressure Switch Circuit High Voltage

P2647 Cadillac 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 Cadillac Description The…

P2641 Cadillac Torque Management Feedback (Signal B)

P2641 Cadillac Torque Management Feedback (Signal B) OBD Code: System: Subsystem:  P2641 Cadillac – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal B) Location: Analysis: Possible Causes:  Signal B     Tech description: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS…

P2642 Cadillac Torque Management Feedback (Signal B) Range / Performance

P2642 Cadillac Torque Management Feedback (Signal B) Range / Performance OBD Code: System: Subsystem:  P2642 Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe ,…

P2643 Cadillac Torque Management Feedback (Signal B) Low

P2643 Cadillac Torque Management Feedback (Signal B) Low OBD Code: System: Subsystem:  P2643 Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade…

P2644 Cadillac Torque Management Feedback (Signal B) High

P2644 Cadillac Torque Management Feedback (Signal B) High OBD Code: System: Subsystem:  P2644 Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade…

P2638 Cadillac Torque Management Feedback (Signal A) Range / Performance

P2638 Cadillac Torque Management Feedback (Signal A) Range / Performance OBD Code: System: Subsystem:  P2638 Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe ,…

P2639 Cadillac Torque Management Feedback (Signal A) Low

P2639 Cadillac Torque Management Feedback (Signal A) Low OBD Code: System: Subsystem:  P2639 Cadillac – (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: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade…