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

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to prevent electrical shorts.
• Allow the vehicle to cool if the engine has been running recently.

2. Inspect and Replace Transmission Fluid

• Tools Required: Socket set, fluid pump, transmission fluid.
• Drain the old transmission fluid using a socket set to remove the drain plug.
• Replace with the manufacturer-recommended transmission fluid type.
• Reinstall the drain plug and torque to specifications (typically around 25-30 lb-ft).

3. Repair or Replace Wiring and Connectors

• Tools Required: Wire strippers, connectors, electrical tape.
• Visually inspect and repair any damaged wiring or connectors leading to the TCM.
• Ensure all connections are secure and free from corrosion.

4. Replace Transmission Control Module (if necessary)

• Tools Required: Socket set, screwdriver set.
• Locate the TCM, usually found near the transmission or behind the dashboard.
• Disconnect the harness from the TCM.
• Remove the TCM using a socket set and install the new module.
• Reconnect the harness ensuring a secure fit.