how to fix P0700 transmission code in Toyota Camry Eighth Generation (2018-present)?

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Inspect and Change Transmission Fluid

• Tools Required: Socket set, transmission fluid pump, funnel.
• Sub-steps:
  1. Remove the transmission fluid drain plug and drain fluid into a pan.
  2. Inspect the drained fluid for debris or discoloration.
  3. Replace with the manufacturer-recommended transmission fluid (check owner's manual for specifications).
  4. Reinstall the drain plug and torque to the manufacturer's specifications.

3. Repair or Replace TCM

• Tools Required: Socket set, multimeter, TCM replacement (if necessary).
• Sub-steps:
  1. Locate the TCM, usually found near the transmission or under the dashboard.
  2. Disconnect the wiring harness from the TCM.
  3. Remove the TCM mounting screws and carefully take out the module.
  4. If testing shows the TCM is faulty, install the new module by reversing the steps.
  5. Reconnect the wiring harness and ensure all connections are secure.

4. Clear Codes and Test Drive

• Tools Required: OBD-II scanner.
• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear the P0700 code and any other transmission-related codes.
  3. Start the engine and conduct a test drive to check for proper operation.