how to fix the P0700 code in Honda Pilot Third Generation (2016-present)

Solution

1. Preparation

• Gather necessary tools and parts before starting the repair.
• Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

• a. Drain Transmission Fluid:

  • Locate the transmission drain plug and use a socket set to remove it.
  • Allow fluid to drain completely into a suitable container.

• b. Replace Filter (if applicable):

  • Remove the transmission pan by unscrewing the bolts with a socket set.
  • Replace the transmission filter if accessible, ensuring the sealing surface is clean.

• c. Refill Transmission Fluid:

  • Replace the drain plug and torque it to manufacturer specifications.
  • Use a funnel to refill the transmission with the correct type of fluid (refer to the owner's manual for specifications).

3. Repair or Replace Faulty Wiring/Connectors

• a. Inspect Wiring Harness:

  • Visually inspect the wiring harness leading to the TCM for any signs of wear or damage.

• b. Repair Connections:

  • If any damaged wires or connectors are found, repair or replace them as necessary.

4. Test Transmission Control Module (TCM)

• a. TCM Testing:

  • Use a multimeter to check TCM voltage and ground connections.

• b. Replace TCM (if faulty):

  • If testing indicates a fault, replace the TCM following manufacturer guidelines.

5. Clear Codes and Test Drive

• a. Reset the OBD-II Scanner:

  • Clear the P0700 code using the OBD-II scanner.

• b. Test Drive:

  • Take the vehicle for a test drive to ensure that the transmission operates smoothly and the check engine light does not return.