how to fix P0700 transmission error in Ford Explorer Fifth Generation (2011-2019)?

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, torque wrench, fluid pump.
• Ensure the vehicle is parked on a level surface, and the engine is off. Disconnect the battery to prevent electrical shorts during repairs.

2. Addressing Fault Codes

• Sub-steps:
  • Clear the P0700 code using the OBD-II scanner.
  • Drive the vehicle to see if the code reappears, indicating an ongoing issue.

3. Inspect and Replace Transmission Fluid

• Sub-steps:
  • Remove the drain plug and drain the old transmission fluid into a suitable container.
  • Replace the drain plug and torque it to the manufacturer's specification (usually around 10-15 lb-ft).
  • Use a fluid pump to refill the transmission with the correct type and amount of new fluid (usually Mercon LV for Ford).
  • Check the fluid level using the dipstick while running the engine and cycling through the gears.

4. Repair or Replace TCM

• Sub-steps:
  • If the TCM is determined to be faulty, disconnect the battery again.
  • Remove the TCM from its mounting location, typically secured with bolts or clips.
  • Replace it with a new or refurbished TCM, ensuring all connections are secure.
  • Reconnect the battery.

5. Check and Replace Wiring/Connectors

• Sub-steps:
  • If wiring or connectors are damaged, repair or replace them as necessary.
  • Use electrical tape or heat shrink tubing to insulate any repaired sections.