how to fix P0740 code on Ford Explorer Fifth Generation (2011-2019)

Learn how to diagnose and fix P0740 torque converter clutch issues in Ford Explorer (2011-2019). Step-by-step guide with diagnostic and repair instructions.

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Raise the vehicle safely using jack stands.

2. Inspect and Replace TCC Solenoid

• Tools Required: Socket set, multimeter, torque wrench, pliers
• Sub-steps:
  1. Locate the transmission pan and drain the fluid into a suitable container.
  2. Remove the transmission pan bolts using a socket set and carefully detach the pan to access the TCC solenoid.
  3. Disconnect the electrical connector from the TCC solenoid.
  4. Remove the old TCC solenoid by unbolting it from its mounting location.
  5. Install the new TCC solenoid by reversing the removal steps and ensuring it is securely fastened.
  6. Reattach the electrical connector, ensuring it is secured and free from corrosion.

3. Reassemble Transmission

• Sub-steps:
  1. Clean the transmission pan and replace the gasket if necessary.
  2. Reinstall the transmission pan, tightening the bolts to the manufacturer’s specified torque settings.
  3. Refill the transmission with the correct type and amount of fluid as specified in the owner's manual.

4. Final Checks

• Reconnect the battery.
• Start the engine and allow it to idle; check for any leaks from the transmission pan.
• Perform a short test drive to verify that the check engine light is off and the transmission operates smoothly.