how to fix the P0700 code in my Toyota Camry XV70 (2018-2024)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the vehicle is parked on a level surface and the parking brake is engaged.
• Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

• Tools Required: Socket set, fluid pump, transmission fluid.
• Steps:
  1. Remove the transmission fluid drain plug using a socket.
  2. Allow old fluid to completely drain into a pan.
  3. Inspect the old fluid for metal shavings or burnt smell.
  4. Replace with manufacturer-recommended transmission fluid using a fluid pump.
  5. Reinstall the drain plug, torque to manufacturer specifications.

3. Repair or Replace TCM

• Tools Required: Screwdrivers, torque wrench.
• Steps:
  1. Locate the TCM, usually mounted on or near the transmission.
  2. Disconnect wiring harness from TCM.
  3. Remove the TCM mounting bolts and carefully take out the module.
  4. If testing indicates a malfunction, replace the TCM with a new unit.
  5. Reinstall the new TCM, securing it with mounting bolts and reconnecting the wiring harness.

4. Clear Codes and Test Drive

• Tools Required: OBD-II scanner.
• Steps:
  1. Reconnect the battery.
  2. Use the OBD-II scanner to clear the codes.
  3. Test drive the vehicle to ensure proper shifting and verify the check engine light does not reappear.