how to fix P0700 transmission code in 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 negative terminal of the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, fluid catch container, socket set.
• Remove the transmission fluid pan using a socket set.
• Allow the fluid to drain completely into the catch container.
• Inspect the pan for metal shavings or debris; clean if reusable.
• Replace the transmission filter if applicable.
• Reinstall the pan with a new gasket and torque to manufacturer specifications (usually around 12-15 ft-lbs).
• Refill transmission with the correct type and amount of fluid as specified in the vehicle manual.

3. Inspect and Repair Wiring/Connectors

• Tools Required: Multimeter, wire stripper, electrical connectors.
• Visually inspect the wiring harness connected to the TCM for any fraying or broken wires.
• Use a multimeter to test for continuity in the wiring.
• Repair any damaged wiring and ensure all connectors are clean and secure.

4. Replace Transmission Control Module (if necessary)

• Tools Required: Socket set, TCM replacement part.
• Locate the TCM, typically found near the transmission or under the dashboard.
• Disconnect the electrical connectors from the TCM.
• Remove the TCM using a socket set.
• Install the new TCM by reversing the removal steps and ensuring all connections are secure.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0700 code from the system.
• Take the vehicle for a test drive to ensure the repair is successful.