how to fix P0700 code in Toyota Corolla E170 (2013-2019)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to avoid electrical shorts.
• Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Remove the transmission fluid drain plug using a socket set and drain the old fluid into a suitable container.
  2. Replace the transmission fluid filter, if applicable, by removing the transmission pan (if necessary).
  3. Reinstall the drain plug and torque it to manufacturer specifications (typically 30 Nm).
  4. Refill the transmission with the appropriate type of fluid (typically Toyota ATF WS) through the dipstick tube.

3. Repair or Replace TCM

• Sub-steps:
  1. Locate the transmission control module, usually found near the transmission or under the dashboard.
  2. Disconnect the wiring harness from the TCM.
  3. Remove the TCM mounting screws with a socket set and take out the module.
  4. Install the new or repaired TCM by reversing the removal steps.
  5. Reconnect the wiring harness securely.

4. Clear Codes and Test Drive

• Sub-steps:
  1. Reconnect the battery.
  2. Use the OBD-II scanner to clear any trouble codes.
  3. Start the engine and allow it to reach operating temperature.
  4. Perform a test drive to ensure proper shifting and no recurrence of the P0700 code.