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

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to avoid any electrical shorts.

2. Check and Replace Transmission Fluid

• Sub-steps:
  • Locate the transmission dipstick (if equipped) and remove it.
  • Use a clean cloth to check the fluid condition.
  • If fluid is dark or has a burnt smell, drain the old fluid using a fluid pump.
  • Replace with the manufacturer-recommended transmission fluid (typically Honda ATF DW-1).
  • Refill the transmission fluid to the correct level.

3. Inspect and Repair Wiring and Connections

• Sub-steps:
  • Visually inspect the wiring harness connected to the TCM for any signs of fraying or damage.
  • Use a multimeter to check for continuity in the wiring.
  • Repair or replace any damaged wires or connectors as necessary.

4. Replace the Transmission Control Module (if necessary)

• Sub-steps:
  • Unplug the electrical connectors from the TCM.
  • Remove the mounting bolts and take out the TCM from its housing.
  • Install the new TCM by reversing the removal process.
  • Reconnect all electrical connectors securely.

5. Reconnect Battery and Clear Codes

• Sub-steps:
  • Reconnect the battery terminals.
  • Use the OBD-II scanner to clear the P0700 and any other related codes.
  • Start the engine and allow it to reach operating temperature.