how to fix P0700 error code on Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.
• Disconnect the battery’s negative terminal to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

• Tools Required: Socket set, transmission fluid pump, drain pan, funnel
• Remove the transmission fluid pan bolts using a socket wrench.
• Carefully lower the pan and drain the fluid into a drain pan.
• Inspect the old fluid for metal shavings or debris.
• Replace the filter if necessary.
• Reinstall the pan with a new gasket and torque bolts to manufacturer specifications (typically around 10-15 ft-lbs).
• Refill the transmission with the correct type of fluid (usually Mercon LV for Ford).

3. Check and Repair Wiring

• Tools Required: Multimeter, wire stripper/crimper
• Using a multimeter, check for continuity in the wiring harness leading to the TCM.
• Repair or replace any damaged wires or connectors.
• Ensure all connections are clean and secure.

4. Test and Reset TCM

• Tools Required: OBD-II scanner
• Reconnect the battery’s negative terminal.
• Use the OBD-II scanner to clear the P0700 code and any other related codes.
• Start the vehicle and allow it to reach operating temperature.
• Test drive the vehicle to confirm proper shifting and operation.