Category: OBDii Powertrain Codes

P2780 Downshift Switch Circuit Low OBD Code: System: Subsystem:  P2780 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Downshift Switch Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2781 Downshift Switch Circuit High OBD Code: System: Subsystem:  P2781 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Downshift Switch Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2782 Downshift Switch Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P2782 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Downshift Switch Circuit Intermittent / Erratic Location: Analysis: Possible Causes:    Periodically Unstable Circuit   Tech description:

P2777 Upshift Switch Circuit High OBD Code: System: Subsystem:  P2777 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Upshift Switch Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2778 Upshift Switch Circuit Intermittent/Erratic P2778 Information for specific makes

P2774 Four Wheel Drive (4WD) Low Switch Circuit High OBD Code: System: Subsystem:  P2774 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Low Switch Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2775 Upshift Switch Circuit Range/Performance P2775 Information for specific makes

P2776 Upshift Switch Circuit Low OBD Code: System: Subsystem:  P2776 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Upshift Switch Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2769 Torque Converter Clutch Solenoid Circuit Low Possible causes -
Short in shift solenoid valve DSL circuit
- Faulty Shift solenoid valve DSL
- Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2769 Description The shift solenoid valve DSL is turned “ON” and “OFF” by signals from the Engine Control…

P2770 Torque Converter Clutch Solenoid Circuit High Possible causes -
Open in shift solenoid valve DSL circuit
- Faulty Shift solenoid valve DSL
- Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2770 Description The shift solenoid valve DSL is turned “ON” and “OFF” by signals from the Engine Control…

P2771 Four Wheel Drive (4WD) Low Switch Circuit OBD Code: System: Subsystem:  P2771 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Low Switch Circuit Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2772 Four Wheel Drive (4WD) Low Switch Circuit Range/Performance P2772 Information for specific makes

P2773 Four Wheel Drive (4WD) Low Switch Circuit Low OBD Code: System: Subsystem:  P2773 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Low Switch Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2764 Torque Converter Clutch Pressure Control Solenoid Control Circuit Low OBD Code: System: Subsystem:  P2764 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Torque Converter Clutch Pressure Control Solenoid Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2765 Input / Turbine Speed (Sensor B) Circuit OBD Code: System: Subsystem:  P2765 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Input / Turbine Speed (Sensor B) Circuit Location: Analysis: Possible Causes:  Sensor B  Circuit Issue   Tech description:

P2766 Input / Turbine Speed (Sensor B) Circuit Range / Performance OBD Code: System: Subsystem:  P2766 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Input / Turbine Speed (Sensor B) Circuit Range / Performance Location: Analysis: Possible Causes:  Sensor B  Out of Expected Range   Tech description:

P2767 Input Speed Sensor 2 Circuit No Signal Possible causes – Faulty Input Speed Sensor– Input Speed Sensor harness is open or shorted– Input Speed Sensor circuit poor electrical connection What about the obd code? The Transmission Control Module (TCM) has detected a correlation error between the two Input Speed Sensor signals. Symptoms – Engine…

P2768 Input / Turbine Speed (Sensor B) Circuit Intermittent OBD Code: System: Subsystem:  P2768 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Input / Turbine Speed (Sensor B) Circuit Intermittent Location: Analysis: Possible Causes:  Sensor B  Circuit Sporatic / Not Continuous   Tech description:

P2761 Torque Converter Clutch Pressure Control Solenoid Valve Circuit Possible causes – Faulty Control Solenoid Valve Assembly– Control Solenoid Valve Assembly harness is open or shorted– Control Solenoid Valve Assembly circuit poor electrical connection What about the obd code? The Powertrain Control Module (PCM) commanded the Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid…

P2762 Torque Converter Clutch Pressure Control Solenoid Control Circuit Range / Performance OBD Code: System: Subsystem:  P2762 – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Torque Converter Clutch Pressure Control Solenoid Control Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description: