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

Solution

1. Preparation

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

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Check the fluid level; if low, add the manufacturer-recommended transmission fluid.
  3. If the fluid is dark or has a burnt smell, perform a fluid change:
     • Remove the transmission pan bolts using a socket set.
     • Carefully lower the transmission pan and drain the old fluid.
     • Replace the filter if applicable.
     • Clean the pan and magnet, then reinstall with a new gasket.
     • Refill with the appropriate Honda ATF fluid as specified in the owner’s manual.

3. Inspect and Repair Wiring/Connections

• Sub-steps:
  1. Remove any necessary covers to access wiring to the TCM and transmission.
  2. Inspect all wiring for signs of wear, fraying, or corrosion.
  3. Repair or replace any damaged connectors or wiring as needed.
  4. Ensure all connections are secure and free of dirt or corrosion.

4. Test Transmission Control Module (TCM)

• Sub-steps:
  1. Reconnect the battery terminal.
  2. Use a scan tool to perform a TCM reset and clear the P0700 code.
  3. Monitor for reoccurrence of the code during a brief test drive.
  4. If the code returns, consider replacing the TCM.

5. Final Check

• Sub-steps:
  1. After repairs, ensure the vehicle operates smoothly without slipping or harsh shifting.
  2. Conduct a final scan to confirm no codes are present.