Category: Chevrolet

P2640 Chevrolet Torque Management Feedback (Signal A) High OBD Code: System: Subsystem:  P2640 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal A) High Location: Analysis: Possible Causes:  Signal A  Signal Too High   Tech description:

P2636 Chevrolet Fuel Pump B Low Flow / Performance OBD Code: System: Subsystem:  P2636 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Pump B Low Flow / Performance Location: Analysis: Possible Causes:  Pump B     Tech description:

P2637 Chevrolet Torque Management Feedback (Signal A) OBD Code: System: Subsystem:  P2637 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal A) Location: Analysis: Possible Causes:  Signal A     Tech description:

P2634 Chevrolet Fuel Pump B Control Circuit High OBD Code: System: Subsystem:  P2634 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Pump B Control Circuit High Location: Analysis: Possible Causes:  Pump B  End of Range – Circuit Higher Than Expected   Tech description:

P2635 Chevrolet Fuel Pump A Low Flow / Performance OBD Code: System: Subsystem:  P2635 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Pump A Low Flow / Performance Location: Analysis: Possible Causes:  Pump A     Tech description:

P2631 Chevrolet Front Air/Fuel Ratio Sensor Bank 2 Sensor 1 Circuit High Voltage Possible causes – Front Air/Fuel Ratio Sensor Bank 2 Sensor 1 harness is open or shorted– Front Air/Fuel Ratio Sensor Bank 2 Sensor 1 circuit poor electrical connection– Faulty Front Air/Fuel Ratio Sensor Bank 2 Sensor 1 Symptoms – Engine Light ON…

P2632 Chevrolet Fuel Pump B Control Circuit / Open OBD Code: System: Subsystem:  P2632 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Pump B Control Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description:

P2633 Chevrolet Fuel Pump B Control Circuit Low OBD Code: System: Subsystem:  P2633 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Pump B Control Circuit Low Location: Analysis: Possible Causes:  Pump B  End of Range – Circuit Lower Than Expected   Tech description:

P2628 Chevrolet Oxygen (O2) Sensor Pumping Current Trim Circuit High (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2628 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Oxygen (O2) Sensor Pumping Current Trim Circuit High (Bank 1 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1 – Sensor…

P2629 Chevrolet Oxygen (O2) Sensor Pumping Current Trim Circuit / Open (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2629 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Oxygen (O2) Sensor Pumping Current Trim Circuit / Open (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2…

P2630 Chevrolet Oxygen (O2) Sensor Pumping Current Trim Circuit Low (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2630 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Oxygen (O2) Sensor Pumping Current Trim Circuit Low (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor…

P2625 Chevrolet Injector Control Pressure Regulator Circuit High OBD Code: System: Subsystem:  P2625 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Injector Control Pressure Regulator Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2626 Chevrolet Oxygen (O2) Sensor Pumping Current Trim Circuit / Open (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2626 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Oxygen (O2) Sensor Pumping Current Trim Circuit / Open (Bank 1 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1…

P2627 Chevrolet Oxygen (O2) Sensor Pumping Current Trim Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2627 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Oxygen (O2) Sensor Pumping Current Trim Circuit Low (Bank 1 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1 – Sensor…

P2621 Chevrolet Throttle Position Output Circuit Low OBD Code: System: Subsystem:  P2621 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Throttle Position Output Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2622 Chevrolet Throttle Position Output Circuit High OBD Code: System: Subsystem:  P2622 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Throttle Position Output Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2623 Chevrolet Injector Control Pressure Regulator Circuit / Open OBD Code: System: Subsystem:  P2623 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Injector Control Pressure Regulator Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description:

P2624 Chevrolet Injector Control Pressure Regulator Circuit Low OBD Code: System: Subsystem:  P2624 Chevrolet – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Injector Control Pressure Regulator Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: