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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, fluid catch pan
• Remove the transmission fluid dipstick and check the fluid level.
• If the fluid is low, add the appropriate type of transmission fluid as specified in the owner's manual.
• If the fluid is contaminated, drain the transmission fluid completely using a catch pan, and refill with new fluid.

3. Inspect and Repair Wiring and Connectors

• Tools Required: Multimeter, wire brush, electrical cleaner
• Visually inspect the wiring harness leading to the TCM for any signs of damage or corrosion.
• Use the multimeter to test continuity and resistance in the wiring.
• Clean any corroded connectors with electrical cleaner and ensure a tight connection.

4. Replace or Reprogram TCM

• Tools Required: OBD-II scanner, software for TCM reprogramming (if applicable)
• If diagnostics indicate that the TCM is faulty, remove the TCM from the vehicle.
• Install the new or refurbished TCM by reversing the removal process.
• Use an OBD-II scanner to program the new TCM if necessary.

5. Reconnect Battery and Test Drive

• Reconnect the negative battery terminal.
• Start the vehicle and check for any warning lights.
• Test drive the vehicle under various conditions to ensure proper transmission operation.