how to fix P0700 code on my Toyota Camry XV50 (2012-2017)?

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the vehicle is parked on a flat surface and engage the parking brake.
• Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Remove the transmission fluid dipstick and check the fluid level.
  2. If low, add the specified transmission fluid (Toyota WS fluid).
  3. If the fluid is dark or smells burnt, proceed to replace the fluid.
• Tools Required: Transmission fluid pump, funnel, socket set.

3. Inspect and Repair Electrical Connections

• Sub-steps:
  1. Locate the TCM, usually found near the transmission.
  2. Disconnect the electrical connector from the TCM.
  3. Inspect the connector for corrosion or bent pins; clean if necessary.
  4. Reconnect the electrical connector securely.
• Tools Required: Wire brush or contact cleaner, pliers.

4. Replace TCM (if necessary)

• Sub-steps:
  1. Remove any mounting bolts securing the TCM.
  2. Disconnect the TCM wiring harness.
  3. Install the new TCM by reversing the removal steps.
  4. Torque the mounting bolts to the manufacturer's specifications.
• Tools Required: Socket set, torque wrench.

5. Reconnect Battery and Clear Codes

• Sub-steps:
  1. Reconnect the battery terminals.
  2. Use the OBD-II scanner to clear the P0700 code from the vehicle's computer.
  3. Start the vehicle and check if the check engine light remains off.
• Tools Required: OBD-II scanner.