how to fix the P0700 transmission code on Ford Explorer Sixth Generation (2020-present)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the negative battery terminal to ensure safety.
• Raise the vehicle securely on jack stands if undercar components need inspection.

2. Address Transmission Fluid Issues

• Check Fluid Level:
  • Locate the transmission dipstick or fill tube.
  • Remove the dipstick, wipe it clean, and reinsert to check the fluid level.
• Change Fluid if Necessary:
  • If fluid is low or contaminated, drain the old fluid using a drain pan.
  • Replace with manufacturer-recommended transmission fluid (check owner's manual for specification).
  • Refill according to the specifications, ensuring proper level.

3. Inspect and Repair Wiring

• Wiring Inspection:
  • Visually inspect the wiring harness for any visible damage or wear.
  • Use a multimeter to check for continuity in the wires leading to the TCM.
• Repair or Replace Harness:
  • If damaged, repair the wiring using heat-shrink tubing or replace the harness as necessary.

4. Test and Replace Components

• TCM Testing:
  • Reconnect the battery and use the OBD-II scanner to monitor TCM performance.
  • If issues persist, replace the TCM with a new unit, ensuring the new module is programmed to the vehicle.
• Solenoid Testing:
  • Remove the transmission pan if necessary to access solenoids.
  • Test solenoids for resistance using a multimeter; replace any faulty solenoids.

5. Final Assembly

• Reassemble any components removed for access (e.g., transmission pan).
• Ensure all connectors are securely attached and there are no loose wires.
• Reconnect the negative battery terminal.