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

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to ensure safety while working on electrical components.

2. Fluid Inspection and Replacement

• Sub-steps:
  1. Remove the transmission dipstick and check the fluid level.
  2. If low, add the appropriate Toyota ATF WS transmission fluid to the fill level.
  3. If the fluid appears burnt or contaminated, proceed with a fluid change:
     • Remove the transmission drain plug and drain old fluid into a pan.
     • Replace the transmission filter if applicable.
     • Reinstall the drain plug and refill with new ATF WS fluid through the dipstick tube.
• Tools Required: Socket set, funnel, drain pan.

3. Electrical Connection Inspection

• Sub-steps:
  1. Locate the TCM, generally found under the driver's side dashboard.
  2. Disconnect the wiring harness from the TCM.
  3. Inspect connectors for corrosion, bent pins, or damage; clean or replace as needed.
  4. Reconnect the wiring harness securely.
• Tools Required: Screwdriver set, electrical contact cleaner.

4. TCM Replacement (if necessary)

• Sub-steps:
  1. If the TCM is determined faulty, remove screws securing the TCM.
  2. Carefully disconnect the electrical connectors.
  3. Install the new TCM by reversing the removal process.
  4. Ensure all connections are secure and properly seated.
• Tools Required: Socket set, torque wrench (consult specifications for torque values).