how to fix P0700 code in Toyota RAV4 Fifth Generation (2019-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety during the repair.
• Lift the vehicle securely using jack stands if necessary.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Remove the transmission dipstick and check fluid level.
  2. If low or burnt, drain the old fluid using a fluid pump or by removing the drain plug.
  3. Replace with the manufacturer-recommended transmission fluid (Toyota ATF WS).
  4. Refill transmission fluid to the appropriate level using a funnel.

3. Inspect and Replace Transmission Filter

• Sub-steps:
  1. Remove the transmission pan bolts using a socket set.
  2. Carefully lower the pan and drain any remaining fluid.
  3. Remove the old transmission filter and discard it.
  4. Install the new transmission filter in place, ensuring it is seated properly.
  5. Clean the transmission pan and install a new gasket if necessary before reattaching the pan.

4. Repair or Replace TCM

• Sub-steps:
  1. Locate the transmission control module, typically found under the dashboard or near the transmission.
  2. Disconnect the electrical connectors attached to the TCM.
  3. Remove the mounting bolts and carefully take out the TCM.
  4. If the TCM is faulty, replace it with a new unit. Otherwise, repair any identified wiring issues.
  5. Reconnect the TCM and ensure all connections are secure.

5. Reset Codes and Test Drive

• Sub-steps:
  1. Reconnect the vehicle battery.
  2. Use an OBD-II scanner to clear any stored trouble codes.
  3. Conduct a test drive to ensure proper operation and monitoring for any reoccurring codes.