Category: OBDii Powertrain Codes

P2639 Torque Management Feedback (Signal A) Low OBD Code: System: Subsystem:  P2639 – (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:

P2640 Torque Management Feedback (Signal A) High OBD Code: System: Subsystem:  P2640 – (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:

P2641 Torque Management Feedback (Signal B) OBD Code: System: Subsystem:  P2641 – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Torque Management Feedback (Signal B) Location: Analysis: Possible Causes:  Signal B     Tech description:

P2632 Fuel Pump B Control Circuit / Open OBD Code: System: Subsystem:  P2632 – (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 Fuel Pump B Control Circuit Low OBD Code: System: Subsystem:  P2633 – (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:

P2634 Fuel Pump B Control Circuit High OBD Code: System: Subsystem:  P2634 – (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 Fuel Pump A Low Flow / Performance OBD Code: System: Subsystem:  P2635 – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Pump A Low Flow / Performance Location: Analysis: Possible Causes:  Pump A     Tech description:

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

P2628 Oxygen (O2) Sensor Pumping Current Trim Circuit High (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2628 – (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 1  End…

P2629 Oxygen (O2) Sensor Pumping Current Trim Circuit / Open (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2629 – (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 – Sensor…

P2630 Oxygen (O2) Sensor Pumping Current Trim Circuit Low (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2630 – (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 1  End…

P2631 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 (or…

P2623 Injector Control Pressure Regulator Circuit / Open OBD Code: System: Subsystem:  P2623 – (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 Injector Control Pressure Regulator Circuit Low OBD Code: System: Subsystem:  P2624 – (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:

P2625 Injector Control Pressure Regulator Circuit High OBD Code: System: Subsystem:  P2625 – (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 Oxygen (O2) Sensor Pumping Current Trim Circuit / Open (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2626 – (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 – Sensor…

P2627 Oxygen (O2) Sensor Pumping Current Trim Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2627 – (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 1  End…