WOMS
P code powertrain Medium severity

P2807 Pressure Control Solenoid "G

The OBD2 code P2807 indicates a malfunction with the pressure control solenoid "G," which is responsible for regulating transmission fluid pressure in the vehicle's transmission system

Definition

The OBD2 code P2807 indicates a malfunction with the pressure control solenoid "G," which is responsible for regulating transmission fluid pressure in the vehicle's transmission system

Common causes

  • Faulty pressure control solenoid "G"
  • 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 (other than "G")
  • Transmission fluid issues (contamination or low level)
  • Internal transmission problems (clutch or valve body issues)
  • Incorrectly diagnosed as a shift solenoid issue
  • Engine control module (ECM) problems
  • Sensor malfunctions (e.g., transmission fluid temperature 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 Wiring and Connectors

    Visually inspect the wiring and connectors associated with the Pressure Control Solenoid "G". Look for signs of damage, corrosion, or loose connections that could affect the solenoid's operation

  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 outside the specified range, the solenoid may be faulty and require replacement

  4. 4. Check Transmission Fluid

    Ensure that the transmission fluid is at the correct level and in good condition. Low or contaminated fluid can affect solenoid operation. If the fluid is dirty or burnt, consider changing it

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

    Check for any signs of damage or malfunction in the TCM. If the TCM is not functioning correctly, it may not be sending the proper signals to the solenoid

  6. 6. Perform a Visual Inspection of the Transmission

    Look for any signs of leaks, damage, or other issues within the transmission that could affect solenoid operation

  7. 7. Check for Mechanical Issues

    Sometimes, mechanical issues within the transmission can cause solenoid problems. Inspect for any signs of wear or damage in the transmission components

  8. 8. Clear 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 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 P2807 code

  10. 10. Seek Professional Help

    If the issue persists after performing these steps, it may be necessary to consult a professional mechanic or transmission specialist for further diagnosis and repair. Always refer to the vehicle's service manual for specific procedures and specifications related to the transmission and solenoid testing