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

Solution

1. Preparation

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

2. Inspect and Replace Transmission Fluid

• Tools Required: Socket set, funnel, drain pan.
• Remove the transmission fluid drain plug and allow fluid to drain completely into the pan.
• Replace the drain plug with a new washer and tighten to the manufacturer's torque specifications.
• Refill with new transmission fluid, ensuring it meets Honda specifications (typically Honda ATF DW-1).

3. Replace Transmission Filter

• Tools Required: Socket set, screwdriver, gasket scraper.
• Remove the transmission pan by loosening the bolts with a socket wrench.
• Carefully detach the pan and clean the mating surfaces.
• Replace the old filter with a new one, ensuring it's seated properly.
• Reinstall the pan with a new gasket and tighten to the specified torque.

4. Check and Replace TCM

• Tools Required: Socket set, multimeter, diagnostic scanner.
• If the TCM is faulty, disconnect the wiring harness and remove the TCM from its bracket.
• Install the new TCM and reconnect the wiring harness.
• Reconnect the negative battery terminal.

5. Reset the Transmission Control System

• Use an OBD-II scanner to clear the P0700 code and any related transmission codes.
• Test drive the vehicle to ensure proper operation and that the code does not reappear.