how to fix P0700 transmission trouble code on Honda Pilot YF3 (2016-2022)

Solution

1. Preparation

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

2. Check Transmission Fluid

• Sub-steps:
  • Locate the transmission dipstick and remove it.
  • Wipe it clean and reinsert it to check fluid level.
  • If low, add the recommended Honda ATF-Z1 or DW-1 fluid type.
  • If fluid appears burnt or contaminated, proceed to perform a fluid change.

3. Inspect Wiring and Connectors

• Sub-steps:
  • Visually inspect wiring harnesses connected to the TCM and transmission.
  • Use a multimeter to check for continuity in the wiring.
  • Repair or replace any damaged wiring or connectors identified.

4. Test and Replace TCM (if necessary)

• Sub-steps:
  • If the TCM shows signs of damage, remove it by unscrewing the mounting bolts.
  • Disconnect the electrical connectors.
  • Install the new TCM by reversing the removal steps.
  • Torque the bolts to the manufacturer's specifications (typically around 8-12 lb-ft).

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use an OBD-II scanner to clear the P0700 code from the system.

6. Test Drive the Vehicle

• Take the vehicle for a test drive to ensure proper shifting and to verify that the check engine light remains off.