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

Solution

1. Preparation

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

2. Check and Replace Transmission Fluid

• Sub-steps:

  1. Locate the transmission dipstick and remove it.
  2. Check the fluid level; add the correct type of transmission fluid if low (consult the owner’s manual for specifications).
  3. If the fluid is dark or has a burnt smell, drain the old fluid using a drain pan.
  4. Replace with new transmission fluid, ensuring to fill to the correct level.

• Tools Required:

  • Transmission fluid pump
  • Drain pan

3. Inspect and Repair Wiring/Connectors

• Sub-steps:

  1. Visually inspect the wiring harness and connectors leading to the TCM for any frays or corrosion.
  2. If damaged, repair the wiring using electrical tape or replace the damaged section.
  3. Clean any corroded connectors with electrical contact cleaner.

• Tools Required:

  • Wire strippers/crimpers
  • Electrical contact cleaner

4. Replace Transmission Control Module (if necessary)

• Sub-steps:

  1. Remove any covers or components obstructing access to the TCM.
  2. Disconnect the wiring harness from the TCM.
  3. Unbolt the TCM from its mounting location and remove it.
  4. Install the new TCM and secure it with bolts.
  5. Reconnect the wiring harness and any covers/components previously removed.

• Tools Required:

  • Socket set
  • Torque wrench (if specified torque values are provided in the manual)