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P2717 Pressure Control Solenoid "D" Intermittent

The OBD2 code P2717 indicates an intermittent issue with the pressure control solenoid "D," which is responsible for regulating transmission fluid pressure in an automatic transmission

Definition

The OBD2 code P2717 indicates an intermittent issue with the pressure control solenoid "D," which is responsible for regulating transmission fluid pressure in an automatic transmission

Common causes

  • Faulty pressure control 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

Common misdiagnoses

  • Faulty transmission control module (TCM)
  • Wiring issues or short circuits
  • Faulty pressure control solenoid "C"
  • Low transmission fluid level or contamination
  • Faulty transmission fluid temperature sensor
  • Internal transmission damage
  • Incorrectly installed or damaged valve body
  • Faulty torque converter
  • Misdiagnosed as a shift solenoid issue
  • Engine control module (ECM) problems

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other related trouble codes. This can provide more context and help identify if there are other issues affecting the transmission

  2. 2. Inspect Wiring and Connectors

    Visually inspect the wiring and connectors associated with the Pressure Control Solenoid "D". Look for signs of damage, corrosion, or loose connections that could cause intermittent issues

  3. 3. Test the Solenoid

    If accessible, test the solenoid's resistance using a multimeter. Compare the readings to the manufacturer's specifications. If the resistance is out of range, the solenoid may need to be replaced

  4. 4. Check Transmission Fluid

    Inspect the transmission fluid level and condition. Low or dirty fluid can affect solenoid operation. If the fluid is low, top it off with the correct type of fluid. If it’s dirty, consider a transmission fluid change

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

    Check for any issues with the TCM, as it controls the solenoids. Ensure that the TCM is functioning properly and that there are no software issues. A reprogramming or update may be necessary

  6. 6. Perform a Visual Inspection of the Transmission

    Look for any signs of leaks or damage in the transmission itself. Mechanical issues can sometimes cause solenoid problems

  7. 7. Check for Ground Issues

    Ensure that the solenoid has a good ground connection. Poor grounding can lead to intermittent operation

  8. 8. Conduct a Road Test

    After performing the above checks, take the vehicle for a test drive to see if the code reappears. Pay attention to any unusual shifting patterns or symptoms

  9. 9. Consult Technical Service Bulletins (TSBs)

    Check for any TSBs related to the specific make and model of the vehicle. Manufacturers may have issued guidance on common issues related to the P2717 code

  10. 10. Consider Professional Diagnosis

    If the issue persists after performing these steps, it may be best to consult a professional mechanic or transmission specialist. They can perform more advanced diagnostics and repairs.Conclusion Intermittent issues can be tricky to diagnose, so thoroughness is key. Following these steps can help identify the root cause of the P2717 code and lead to an effective resolution