WOMS
P code powertrain High severity

P0767 Shift Solenoid D Stuck On

The OBD2 code P0767 indicates that the Shift Solenoid D is stuck in the "on" position, which can affect the transmission's ability to shift gears properly

Definition

The OBD2 code P0767 indicates that the Shift Solenoid D is stuck in the "on" position, which can affect the transmission's ability to shift gears properly

Common causes

  • Faulty shift solenoid D
  • Wiring issues or damaged connectors
  • Low transmission fluid level
  • Contaminated transmission fluid
  • Faulty transmission control module (TCM)
  • Internal transmission problems
  • Poor electrical connections
  • Malfunctioning valve body

Common misdiagnoses

  • Faulty transmission control module (TCM)
  • Wiring issues or short circuits
  • Faulty shift solenoid A or B
  • Low transmission fluid level or contamination
  • Transmission valve body problems
  • Internal transmission damage
  • Incorrectly diagnosed engine issues
  • Faulty sensors (e.g., speed sensor)

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other trouble codes that may be present. This can provide more context and help identify related issues

  2. 2. Inspect the Transmission Fluid

    Fluid Level: Ensure that the transmission fluid is at the correct level. Low fluid can cause shifting issues

  3. 3. Fluid Condition

    Check the condition of the fluid. It should be a bright red color and should not smell burnt. If it’s dark or has a burnt smell, consider changing the fluid

  4. 4. Examine the Wiring and Connectors

    Inspect the wiring harness and connectors related to the shift solenoid. Look for any signs of damage, corrosion, or loose connections that could affect the solenoid's operation

  5. 5. Test the Shift Solenoid

    Use a multimeter to test the resistance of the shift solenoid. Compare the readings to the specifications in the vehicle’s service manual. If the solenoid is out of spec, it may need to be replaced

  6. 6. Check the Transmission Control Module (TCM)

    The TCM controls the operation of the shift solenoids. If there is a fault in the TCM, it may cause the solenoid to remain activated. Check for any software updates or reprogramming that may be needed

  7. 7. Inspect for Mechanical Issues

    Check for any mechanical issues within the transmission that could be causing the solenoid to stick. This may include issues with the valve body or other internal components

  8. 8. Clear the Codes and Test Drive

    After performing any repairs or adjustments, clear the trouble codes and take the vehicle for a test drive to see if the code returns

  9. 9. Consult a Professional

    If the issue persists after performing the above steps, it may be best to consult a professional mechanic or transmission specialist for further diagnosis and repair.Additional Considerations

  10. 10. Vehicle-Specific Information

    Always refer to the vehicle’s service manual for specific troubleshooting steps and specifications, as procedures can vary by make and model

  11. 11. Safety Precautions

    When working on a vehicle, ensure that you take appropriate safety precautions, including disconnecting the battery when working with electrical components. By following these steps, you should be able to identify the cause of the P0767 code and take appropriate action to resolve the issue