P code powertrain High severity

P0917 Gear Shift Position Circuit High

The OBD2 code P0917 indicates that there is a high voltage signal detected in the gear shift position circuit, which may suggest a malfunction in the transmission range sensor or related wiring

Definition

The OBD2 code P0917 indicates that there is a high voltage signal detected in the gear shift position circuit, which may suggest a malfunction in the transmission range sensor or related wiring

Common causes

  • Faulty gear shift position sensor
  • Wiring issues (shorts or open circuits)
  • Poor electrical connections
  • Malfunctioning transmission control module (TCM)
  • Faulty transmission range sensor
  • Corroded connectors
  • Software issues in the TCM
  • Mechanical issues in the transmission assembly

Common misdiagnoses

  • Transmission Control Module (TCM) failure
  • Faulty gear shift lever or assembly
  • Wiring issues or shorts in the circuit
  • Faulty transmission position sensor
  • Incorrectly installed or damaged transmission
  • Low transmission fluid levels
  • Faulty engine control module (ECM)
  • Malfunctioning neutral safety switch
  • Issues with the vehicle's battery or charging system
  • Software or calibration issues in the TCM

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 multiple issues

  2. 2. Inspect Wiring and Connectors

  3. 3. Visually inspect the wiring and connectors associated with the gear shift position sensor. Look for frayed wires, corrosion, or loose connections

  4. 4. Ensure that all connectors are securely attached and free of dirt or moisture

  5. 5. Test the Gear Shift Position Sensor

  6. 6. Use a multimeter to test the resistance and voltage output of the gear shift position sensor. Compare the readings to the specifications provided in the vehicle’s service manual

  7. 7. If the sensor is faulty, it may need to be replaced

  8. 8. Check for Short Circuits

  9. 9. Inspect the wiring harness for any signs of short circuits. This can include wires that are pinched, damaged, or touching other conductive surfaces

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

  11. 11. The TCM may be malfunctioning or have a poor connection. Check for any signs of damage or corrosion on the TCM connectors

  12. 12. If necessary, test the TCM for proper operation

  13. 13. Look for Mechanical Issues

  14. 14. Ensure that the gear shift lever is functioning properly and is not obstructed. Mechanical issues can sometimes cause incorrect readings from the sensor

  15. 15. Clear the Codes and Test Drive

  16. 16. After performing the above checks and repairs, clear the trouble codes using the OBD-II scanner

  17. 17. Take the vehicle for a test drive to see if the code reappears

  18. 18. Consult a Professional

  19. 19. If the issue persists after performing these steps, it may be necessary to consult a professional mechanic or technician who has experience with transmission systems and can perform more advanced diagnostics. By following these steps, you should be able to identify and resolve the issue related to the P0917 code. Always refer to the specific service manual for your vehicle for detailed information and specifications