how to fix P0700 transmission code in Honda CR-V Sixth Generation (2023-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative terminal of the battery to prevent electrical shock.
• Ensure the vehicle is on a level surface and secure it with jack stands if necessary.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Check the fluid level and condition. If the fluid is low or burnt, proceed to replace it.
  3. Place a drain pan under the transmission pan and remove the drain plug (if equipped) or the transmission pan itself.
  4. Allow old fluid to fully drain out.
  5. Replace the drain plug (if removed) and refill the transmission with the appropriate type and amount of new transmission fluid as specified in the owner’s manual.
• Tools Required: Drain pan, socket set, funnel.

3. Inspect and Repair Wiring/Connectors

• Sub-steps:
  1. Visually inspect the wiring harness and connectors leading to the TCM for any signs of wear, fraying, or corrosion.
  2. If damaged, repair or replace the affected wiring and connectors as necessary.
  3. Ensure all connections are secure and free from moisture.
• Tools Required: Multimeter, wire strippers/crimpers, electrical tape.

4. Test and Replace Transmission Control Module (if necessary)

• Sub-steps:
  1. After completing previous steps, reconnect the battery.
  2. Use the OBD-II scanner to clear the P0700 code.
  3. If the code reappears after a test drive, proceed to replace the TCM.
  4. Remove the old TCM from its mounting location and disconnect any connectors.
  5. Install the new TCM by reversing the removal steps and ensure all connections are secure.
• Tools Required: Socket set, OBD-II scanner.