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

Solution

1. Preparation

• Gather tools and parts needed for repair.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to prevent electrical shorts.

2. Transmission Fluid Replacement

• Tools Required: Socket set, torque wrench, fluid pump, drain pan, new transmission fluid.
• Sub-steps:
  1. Place a drain pan under the transmission pan.
  2. Remove the bolts from the transmission pan using a socket set and carefully lower the pan to drain fluid.
  3. Inspect the pan for metal shavings or debris; clean if necessary.
  4. Replace the transmission filter if applicable.
  5. Reinstall the transmission pan and torque bolts to manufacturer specifications (typically around 10-12 ft-lbs).
  6. Refill the transmission with the correct type and quantity of fluid (consult owner’s manual for specifications).

3. Inspect and Repair Electrical Connections

• Tools Required: Multimeter, electrical contact cleaner.
• Sub-steps:
  1. Visually inspect the wiring harness and connectors for signs of damage or corrosion.
  2. Use a multimeter to test for continuity and voltage at the TCM connector.
  3. Clean any corroded connections with electrical contact cleaner.
  4. Repair or replace any damaged wiring or connectors as needed.

4. TCM Replacement (if necessary)

• Tools Required: Socket set, torque wrench.
• Sub-steps:
  1. Locate the TCM (usually found near the transmission).
  2. Disconnect the electrical connectors from the TCM.
  3. Remove the mounting bolts and take out the old TCM.
  4. Install the new TCM, securing it with mounting bolts to manufacturer torque specifications.
  5. Reconnect the electrical connectors.