how to fix P0700 code in Honda Pilot YF3 (2016-2022)

Solution

1. Preparation

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

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  • Remove the transmission fluid drain plug and drain the old fluid into a suitable container.
  • Replace the drain plug and tighten it to manufacturer specifications (typically around 20-30 ft-lbs).
  • Refill the transmission with new fluid as specified in the owner’s manual (Honda ATF DW-1 is recommended).
• Tools Required: Socket set, fluid pump, suitable containers.

3. Inspect and Repair Wiring and Connectors

• Sub-steps:
  • Visually inspect the wiring harness and connectors for any signs of damage or corrosion.
  • Clean any corroded connectors with electrical contact cleaner.
  • Repair or replace damaged wiring as necessary.
• Tools Required: Wire strippers/crimpers, electrical contact cleaner.

4. Test and Replace Transmission Control Module (if necessary)

• Sub-steps:
  • If the TCM tests indicate failure, carefully disconnect the TCM from its harness.
  • Replace it with a new or refurbished TCM, ensuring it is compatible with the vehicle.
  • Reconnect all connectors and wiring securely.
• Tools Required: Torque wrench, socket set.

5. Clear Codes and Test Drive

• Sub-steps:
  • Reconnect the vehicle battery.
  • Use the OBD-II scanner to clear the P0700 code and any other related codes.
  • Test drive the vehicle to ensure proper shifting and operation.
• Tools Required: OBD-II scanner.