how to fix P0700 code in Toyota RAV4 Fourth Generation (2013-2018)

Solution

1. Preparation

• Gather tools and parts needed for repair.
• Disconnect the vehicle's battery to ensure safety.
• Tools Required:
  • OBD-II scanner
  • Multimeter
  • Socket set
  • Torque wrench

2. Inspect and Replace Transmission Fluid

• Remove the transmission fluid drain plug using a socket set.
• Drain the old transmission fluid into a suitable container.
• Inspect the fluid for metal shavings or discoloration.
• Replace with new transmission fluid as specified in the owner's manual (typically Toyota ATF WS).
• Reinstall the drain plug and torque to the manufacturer’s specifications.

3. Check and Repair Wiring/Connectors

• Visually inspect the wiring harness and connectors associated with the TCM for damage or corrosion.
• If any wiring is damaged, repair or replace as necessary.
• Ensure connectors are securely attached and free from debris.

4. Replace the Transmission Control Module (if necessary)

• If the TCM is found to be faulty during testing, remove it by unscrewing the mounting bolts.
• Disconnect the wiring harness attached to the TCM.
• Replace with a new TCM, ensuring proper orientation.
• Reconnect the wiring harness and secure the TCM with the mounting bolts to specified torque.

5. Reconnect Battery and Reset Codes

• Reconnect the vehicle’s battery.
• Use the OBD-II scanner to clear the P0700 code and any other transmission-related codes.
• Start the vehicle and allow it to reach operating temperature.