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P0967Pressure Control Solenoid "B" Control Circuit High

The OBD2 code P0967 indicates that there is a high voltage signal detected in the control circuit of the pressure control solenoid "B," which may suggest a malfunction in the solenoid or its wiring

Definition

The OBD2 code P0967 indicates that there is a high voltage signal detected in the control circuit of the pressure control solenoid "B," which may suggest a malfunction in the solenoid or its wiring

Common causes

  • Faulty pressure control solenoid "B"
  • Short circuit in the control circuit
  • Open circuit in the control circuit
  • Damaged wiring or connectors
  • Faulty transmission control module (TCM)
  • Low transmission fluid level
  • Contaminated transmission fluid
  • Faulty transmission pump

Common misdiagnoses

  • Faulty transmission control module (TCM)
  • Wiring issues or shorts in the solenoid circuit
  • Defective pressure control solenoid "B"
  • Low transmission fluid level or contamination
  • Faulty transmission fluid temperature sensor
  • Incorrectly diagnosed transmission issues
  • Problems with the engine control module (ECM)
  • Misinterpretation of other related codes

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 Wiring and Connectors

    Visually inspect the wiring and connectors associated with the Pressure Control Solenoid "B". Look for

  3. 3.Damaged, frayed, or corroded wires

  4. 4.Loose or poor connections

  5. 5.Signs of short circuits or grounding issues

  6. 6.Test the Pressure Control Solenoid

    If accessible, test the solenoid itself for proper operation. This may involve

  7. 7.Checking the resistance of the solenoid with a multimeter (refer to the vehicle's service manual for specifications)

  8. 8.Applying voltage to the solenoid to see if it activates properly

  9. 9.Check the Power and Ground Supply

    Use a multimeter to check for proper voltage at the solenoid connector. Ensure that

  10. 10.The solenoid is receiving the correct voltage (usually around battery voltage)

  11. 11.The ground circuit is intact and has a good connection

  12. 12.Inspect the Transmission Control Module (TCM)

    The TCM controls the solenoid operation. Check for

  13. 13.Software updates or reprogramming needs

  14. 14.Faulty TCM, which may require testing or replacement

  15. 15.Check for Fluid Issues

    Inspect the transmission fluid level and condition. Low or contaminated fluid can affect solenoid operation. Change the fluid if necessary

  16. 16.Perform a System Reset

    After addressing any issues found, clear the trouble codes and take the vehicle for a test drive to see if the code returns

  17. 17.Consult Technical Service Bulletins (TSBs)

    Check for any TSBs related to the P0967 code for your specific vehicle make and model. Manufacturers may have known issues or fixes

  18. 18.Professional Diagnosis

    If the issue persists after performing the above steps, consider seeking help from a professional mechanic or transmission specialist who can perform more advanced diagnostics.Conclusion Always refer to the vehicle's service manual for specific procedures and specifications related to your make and model. Proper diagnosis is crucial to avoid unnecessary repairs and ensure the correct resolution of the issue