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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery's negative terminal to ensure safety while working on electrical components.

2. Inspect and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, drain pan, funnel
• Sub-steps:
  1. Remove the transmission fluid drain plug using a socket set and drain the fluid into a pan.
  2. Inspect the drained fluid for debris or burnt smell; if contaminated, replace it.
  3. Reinstall the drain plug and torque to manufacturer specifications (typically around 30 lb-ft).
  4. Use a funnel to refill the transmission with the correct type of fluid (check owner's manual for specifications).

3. Check and Repair Wiring

• Tools Required: Multimeter, wiring harness repair kit
• Sub-steps:
  1. Visually inspect the wiring harness connected to the TCM for any signs of damage or corrosion.
  2. Use a multimeter to check for continuity in the wires.
  3. If any wiring issues are found, repair or replace the damaged sections using the wiring harness repair kit.

4. Test and Replace TCM (if necessary)

• Tools Required: OBD-II scanner, socket set
• Sub-steps:
  1. If the TCM fails the function tests, remove it from its mounting location.
  2. Disconnect the wiring harness and remove any bolts securing the TCM.
  3. Install the new TCM, reconnect the wiring harness, and secure it with bolts.
  4. Reconnect the battery's negative terminal.