how to fix P0700 transmission fault code Ford F-150 12th Generation (2009-2014)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the ignition is off.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Check Transmission Fluid

• Tools Required: Transmission dipstick (if applicable), clean rags.
• Sub-steps:
  1. Remove the transmission dipstick and wipe it clean.
  2. Reinsert the dipstick and remove it again to check the fluid level.
  3. If low, add the recommended transmission fluid (consult owner’s manual for specifications).
  4. Inspect the fluid for burnt smell or dark color, which indicates it may need to be changed.

3. Inspect Electrical Connections

• Tools Required: Multimeter, dielectric grease.
• Sub-steps:
  1. Locate the transmission control module and inspect the wiring harness for frays or disconnections.
  2. Use a multimeter to check for continuity in the wiring to the TCM.
  3. Apply dielectric grease to clean and protect the connectors.

4. Replace Transmission Control Module (if necessary)

• Tools Required: Socket set, torque wrench.
• Sub-steps:
  1. Remove any components obstructing access to the TCM.
  2. Disconnect the electrical connectors from the TCM.
  3. Remove the mounting bolts and take out the old module.
  4. Install the new TCM, securing it with mounting bolts to the manufacturer's torque specifications.
  5. Reconnect the electrical connectors.

5. Reconnect Battery and Test

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Start the vehicle and allow it to warm up.
  3. Monitor the transmission operation for any issues and check for the return of the P0700 code.