how to fix the P0700 code on my Toyota Camry Eighth Generation (2018-present)

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, and screwdrivers.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Raise the vehicle securely on jack stands.
  2. Locate the transmission pan and remove the drain plug (if equipped) or the entire pan.
  3. Allow old fluid to drain completely into a suitable container.
  4. Inspect the fluid; it should be bright red and not have a burnt smell.
  5. Replace the filter if applicable.
  6. Reinstall the pan with a new gasket and torque bolts to manufacturer's specifications.

3. Repair Wiring and Connectors

• Sub-steps:
  1. Locate the wiring harness connected to the TCM.
  2. Inspect for frayed wires, corrosion, and loose connections.
  3. Repair or replace damaged wiring and connectors as needed.
  4. Ensure all connections are secure.

4. Replace the Transmission Control Module (if necessary)

• Sub-steps:
  1. Disconnect the wiring harness from the TCM.
  2. Remove the TCM mounting bolts using a socket set.
  3. Install the new TCM, ensuring it is properly seated.
  4. Reconnect the wiring harness and secure all connections.