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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety while working on the vehicle.
• Ensure the vehicle is on a level surface and properly supported with jack stands.

2. Transmission Fluid Check and Replacement

• Tools Needed: Transmission fluid pump, socket set, torque wrench.
• Remove the transmission fluid dipstick and check the fluid level.
• If fluid is low or dirty, drain the transmission fluid using the drain plug.
• Replace the fluid with the manufacturer-recommended transmission fluid (e.g., Mercon ULV).
• Refill the transmission with the correct amount of fluid as per the service manual.

3. Inspect and Replace the TCM

• Tools Needed: Socket set, torque wrench, electrical connectors.
• Locate the TCM, typically found near the transmission or under the dashboard.
• Disconnect the TCM wiring harness carefully.
• Remove the mounting bolts securing the TCM and take it out.
• Replace with a new or reconditioned TCM, ensuring it is compatible with the vehicle model.
• Reconnect the wiring harness securely and torque the bolts to the manufacturer’s specifications.

4. Inspect and Replace Transmission Solenoids (if necessary)

• Tools Needed: Socket set, torque wrench.
• Access the transmission solenoids by removing the transmission pan.
• Inspect the solenoids for damage or failure and replace if necessary.
• Reinstall the transmission pan with a new gasket, and torque bolts to manufacturer specifications.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0700 and any additional codes.
• Perform a test drive to ensure that the issue has been resolved.