how to fix P0700 code in Ford F-150 14th Generation (2021-2024)

Solution

1. Preparation

• Gather tools: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid, and transmission filter.
• Ensure the vehicle is on a level surface and the parking brake is engaged.

2. Address Transmission Fluid Issues

• Check Fluid Level:
  • Start the engine and let it idle.
  • Pull out the transmission dipstick and wipe it clean, then reinsert it.
  • Remove the dipstick again and check the fluid level; add fluid if necessary.
• Replace Fluid:
  • If the fluid is dark or has a burnt smell, drain the old fluid.
  • Remove the transmission pan bolts and lower the pan carefully.
  • Replace the transmission filter and clean the pan.
  • Reinstall the pan with new gasket and torque bolts to manufacturer specifications.
  • Fill the transmission with new fluid as per specifications.

3. Inspect and Repair Electrical Components

• Check Connectors:
  • Disconnect the TCM and inspect connectors for corrosion or damage.
  • Clean contacts if necessary and reconnect.
• Test Wiring:
  • Use a multimeter to check for continuity in the wiring harness connected to the transmission.
  • Repair any damaged wires using appropriate methods.

4. Replace Faulty Sensors

• If tests show the TPS or VSS is faulty:
  • Disconnect the wiring harness and remove the old sensor.
  • Install the new sensor and reconnect the wiring harness.
  • Ensure proper alignment and secure any fasteners.

5. Reprogram TCM (if applicable)

• If the TCM is identified as faulty:
  • Remove the TCM from its mounting location.
  • Install the new TCM and ensure all connections are secure.
  • Use an OBD-II scanner to program the new TCM to the vehicle.