how to fix P0701 code in Ford F-150 14th Generation (2021-2024)

Learn how to diagnose and fix P0701 transmission control system issues in Ford F-150 (2021-2024). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Check and Change Transmission Fluid

• Sub-steps:
  1. Raise the vehicle on jack stands and secure it.
  2. Locate the transmission fluid dipstick and remove it.
  3. If the fluid is low, add the manufacturer-recommended transmission fluid.
  4. If the fluid is contaminated or burnt, drain the fluid using a drain pan.
  5. Replace the transmission filter if applicable.
  6. Refill the transmission with the correct type and amount of fluid as specified in the owner’s manual.

3. Inspect and Repair Wiring

• Sub-steps:
  1. Locate the wiring harness connected to the TCM and inspect for any frayed wires or loose connections.
  2. Clean any corrosion or dirt from connectors using electrical contact cleaner.
  3. Repair or replace any damaged wiring or connectors as needed.

4. Replace Transmission Range Sensor (if necessary)

• Sub-steps:
  1. Locate the transmission range sensor on the transmission housing.
  2. Disconnect the electrical connector from the sensor.
  3. Remove the mounting bolts securing the sensor and extract the sensor from the transmission.
  4. Install the new sensor, aligning it properly, and secure it with the mounting bolts.
  5. Reconnect the electrical connector.

5. Reconnect Battery and Clear Codes

• Sub-steps:
  1. Reconnect the battery terminals, ensuring a tight fit.
  2. Use the OBD-II scanner to clear the P0701 code and any other related codes.
  3. Perform a test drive to ensure the issue is resolved.