how to fix P0700 code in Toyota Camry Eighth Generation (2018-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Ensure the vehicle is on a level surface and properly supported.

2. Check and Replace Transmission Fluid

• Tools Required: Fluid pump, funnel, socket set.
• Remove the transmission fluid dipstick and check the fluid level. If low, add fluid gradually until within the recommended range.
• If the fluid is dark or has a burnt smell, drain the old fluid and replace it.
  • Sub-steps:
    • Locate the transmission fluid drain plug and remove it using the socket set.
    • Allow the fluid to drain completely into a suitable container.
    • Replace the drain plug and torque to manufacturer specifications.
    • Refill with new transmission fluid using the specified type for the vehicle.

3. Inspect and Repair Wiring and Connectors

• Tools Required: Wire strippers, electrical tape, multimeter.
• Visually inspect the wiring harness and connectors that lead to the TCM for damage or corrosion.
  • Sub-steps:
    • Disconnect the TCM connector and inspect the pins for corrosion.
    • Use the multimeter to check for continuity and proper voltage at the TCM connector.
    • Repair or replace damaged wires and connectors as needed.

4. Replace TCM (if necessary)

• Tools Required: Socket set, torque wrench.
• If the TCM is determined to be faulty, it will need to be replaced.
  • Sub-steps:
    • Disconnect the battery.
    • Remove the mounting screws and disconnect the wiring from the faulty TCM.
    • Install the new TCM by reversing the removal steps and ensuring all connections are secure.
    • Torque the mounting screws to the specified value.