how to fix P0700 code on Ford F-150 Fourteenth Generation (2021-present)

Solution

1. Preparation

• Gather necessary tools and parts for repair.
• Disconnect the negative battery terminal to ensure safety during repairs.

2. Check Transmission Fluid

• Sub-steps:
  • Remove the transmission dipstick and check the fluid level.
  • If low, add the correct type of transmission fluid as specified by the manufacturer.
  • Inspect the fluid for burnt smell or dark coloration; if contaminated, a fluid change may be necessary.
• Tools Required: Transmission fluid, funnel.

3. Inspect and Repair Wiring Connections

• Sub-steps:
  • Visually inspect the wiring harness connected to the TCM for any signs of wear, damage, or corrosion.
  • Clean or repair any corroded connectors using electrical contact cleaner.
  • Ensure all connections are secure.
• Tools Required: Electrical contact cleaner, wire crimping tool.

4. Check Transmission Range Sensor

• Sub-steps:
  • Locate the transmission range sensor, typically mounted on the transmission.
  • Disconnect the sensor wiring harness and use a multimeter to check for proper resistance values as per service manual specifications.
  • If the readings are out of range, replace the sensor.
• Tools Required: Multimeter, socket set.

5. Clear Codes and Test Drive

• Sub-steps:
  • Reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear the P0700 code and any other related codes.
  • Conduct a test drive to monitor for any reoccurrence of symptoms.
• Tools Required: OBD-II scanner.