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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Ensure the vehicle is on a level surface and use wheel chocks for safety.

2. Check and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, fluid catch pan, socket set.
• Sub-steps:
  1. Remove the transmission fluid drain plug and drain the fluid into a catch pan.
  2. Replace the drain plug and torque to manufacturer specifications (typically around 25 lb-ft).
  3. Refill the transmission with the recommended type of fluid (usually Honda ATF DW-1).
  4. Start the engine and cycle through the gears, then check the fluid level and add more if necessary.

3. Inspect and Repair Wiring

• Tools Required: Multimeter, wire strippers/crimpers, electrical tape.
• Sub-steps:
  1. Use a multimeter to test continuity in the transmission wiring harness.
  2. Repair or replace any damaged wires or connectors.
  3. Secure any loose connections and protect with electrical tape.

4. Replace Transmission Control Module (if necessary)

• Tools Required: Socket set, torque wrench, OBD-II scanner.
• Sub-steps:
  1. Locate the TCM, typically found near the transmission or behind the glove box.
  2. Disconnect the wiring harness from the TCM.
  3. Remove the mounting bolts and carefully take out the old TCM.
  4. Install the new TCM, securing it with the mounting bolts to the specified torque.
  5. Reconnect the wiring harness.

5. Final Check

• Tools Required: OBD-II scanner.
• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to check for any remaining codes.
  3. Clear any error codes and test drive the vehicle to ensure the issue is resolved.