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

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid.
• Ensure the vehicle is parked on a level surface, and the engine is off. Disconnect the battery before proceeding with electrical work.

2. Check Transmission Fluid

• Remove the transmission dipstick and inspect the fluid.
  • Sub-steps:
    • If fluid is low, add the correct type of transmission fluid (consult the owner's manual for specifications).
    • If fluid is dirty or burnt, proceed to replace the transmission fluid and filter.

3. Inspect and Repair Wiring

• Examine the wiring harness connected to the TCM.
  • Sub-steps:
    • Repair any damaged wires or replace connectors if corroded.
    • Ensure all connections are secure and free from debris.

4. Replace Faulty Components

• If diagnostic steps indicate a faulty TCM or sensors, replace them.
  • Sub-steps:
    • Remove the old TCM or sensor by unscrewing it and disconnecting the wiring harness.
    • Install the new TCM or sensor, ensuring proper alignment and secure connections.
    • Torque bolts to manufacturer specifications (refer to service manual).

5. Reset the TCM

• After making repairs, reset the TCM and clear any stored codes.
  • Sub-steps:
    • Use an OBD-II scanner to clear the P0700 code.
    • Reconnect the battery.