how to diagnose P0700 code in Honda Pilot YF3 (2016-2022)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, basic hand tools, transmission fluid.
• Disconnect the negative battery terminal to prevent electrical shorts during inspection.
• Allow the vehicle to cool if it has been running.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Check the fluid level; add the recommended transmission fluid if low.
  3. Inspect the fluid's color and smell; if it appears dark or burnt, proceed to replace it.
  4. Drain the old transmission fluid using a pan under the transmission.
  5. Replace the transmission filter if necessary and refill with new transmission fluid as per manufacturer specifications.

3. Repair Wiring and Connectors

• Sub-steps:
  1. Identify any damaged or corroded wiring related to the TCM.
  2. Repair or replace damaged wires and connectors as needed.
  3. Ensure all connections are tight and secure.

4. Update TCM Software

• Sub-steps:
  1. Connect the OBD-II scanner to the vehicle.
  2. Check for any available software updates by accessing the manufacturer’s service portal.
  3. Follow the instructions to update the TCM software if applicable.

5. Reconnect Battery and Test

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Start the engine and observe the transmission performance.
  3. Ensure the check engine light remains off.