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

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid.
• Ensure the vehicle is parked on a level surface, and the engine is cool.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission fluid dipstick and remove it.
  2. Check the fluid level; if low, add the recommended type of transmission fluid (Honda ATF DW-1).
  3. If the fluid is dark or has a burnt smell, drain the old fluid using a fluid pump.
  4. Replace the transmission filter if applicable and refill with new transmission fluid.

3. Repair or Replace TCM Wiring

• Sub-steps:
  1. Visually inspect all wiring harnesses connected to the TCM for signs of wear, damage, or corrosion.
  2. Repair any damaged wires or connectors using appropriate soldering techniques or replacement parts.
  3. Ensure all connections are secure and free of moisture.

4. TCM Diagnostics and Replacement

• Sub-steps:
  1. Use a multimeter to test the TCM for voltage inputs and outputs following the manufacturer’s specifications.
  2. If the TCM is faulty, remove it from its mounting bracket.
  3. Disconnect the electrical connectors and replace it with a new TCM.
  4. Reconnect all connectors and secure the TCM back in place.

5. Reconnect Battery and Clear Codes

• After completing the repairs, reconnect the negative battery terminal.
• Use the OBD-II scanner to clear any stored codes and reset the check engine light.