how to fix P0700 transmission 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 on a level surface and the engine is off. Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Remove the transmission fluid dipstick and check fluid condition.
  2. If fluid is low or dirty, drain the old fluid using a transmission fluid pump.
  3. Replace with the recommended Honda ATF (Automatic Transmission Fluid) according to manufacturer specifications.
  4. Reinsert dipstick and check fluid level again after running the engine for a few minutes.

3. Inspect and Repair Wiring

• Sub-steps:
  1. Remove the protective cover from the transmission wiring harness.
  2. Visually inspect for any frayed wires or corrosion on connectors.
  3. Use a multimeter to check continuity on the wires from the TCM to the transmission.
  4. Repair or replace damaged wiring as necessary.

4. Replace Transmission Control Module (if needed)

• Sub-steps:
  1. Disconnect the battery again and remove the TCM from its mounting location.
  2. Disconnect all harness connectors from the TCM.
  3. Install the new TCM by reversing the removal steps and ensuring all connections are secure.
  4. Reconnect the battery.

5. Recheck and Clear Codes

• Sub-steps:
  1. Use the OBD-II scanner to clear the P0700 code and any other related codes.
  2. Start the engine and allow the vehicle to reach operating temperature.
  3. Take the vehicle for a test drive to ensure the transmission operates smoothly.