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

Solution

1. Preparation

• Gather the necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Ensure the vehicle is on a level surface and securely supported with jack stands if necessary.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick or fill plug.
  2. Remove the dipstick or fill plug and check fluid level.
  3. If low, add the manufacturer-recommended transmission fluid (Honda ATF DW-1).
  4. If the fluid is discolored or has a burnt smell, perform a fluid change.
• Tools Required: Funnel, transmission fluid pump.
• Safety Warnings: Allow the engine to cool before checking or changing the fluid.

3. Inspect and Repair Wiring

• Sub-steps:
  1. Visually inspect the wiring harness and connectors leading to the TCM.
  2. Repair or replace any damaged wires or connectors.
  3. Ensure all connections are secure and free from corrosion.
• Tools Required: Wire strippers, crimping tool, dielectric grease.

4. Replace Transmission Control Module (if necessary)

• Sub-steps:
  1. Locate the TCM, typically found near the transmission or under the dashboard.
  2. Disconnect the electrical connectors from the TCM.
  3. Remove the mounting bolts and carefully take out the TCM.
  4. Install the new TCM and secure it with the mounting bolts.
  5. Reconnect the electrical connectors.
• Tools Required: Socket set, screwdriver set.

5. Reconnect Battery and Test

• Sub-steps:
  1. Reconnect the negative battery terminal securely.
  2. Start the engine and allow it to warm up.
  3. Shift through all gears to ensure smooth operation.
  4. Clear any stored codes with the OBD-II scanner and monitor for reoccurrence.
• Tools Required: OBD-II scanner.