how to fix P0700 transmission code on my Toyota Camry Seventh Generation (2012-2017)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid, funnel, safety goggles, gloves.
• Make sure the vehicle is on a level surface and the engine is turned off.
• Disconnect the battery to prevent electrical shorts during repairs.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Check the fluid level; add fluid if low and inspect for contamination.
  3. If the fluid is dirty or burnt, drain the transmission fluid using a drain pan.
  4. Replace the fluid with the manufacturer's recommended type (typically Toyota ATF WS).
  5. Refill the transmission with the appropriate amount of new fluid through the dipstick tube.

3. Inspect and Repair Wiring and Connectors

• Sub-steps:
  1. Locate the transmission control module (usually under the dashboard or near the transmission).
  2. Unplug the electrical connector to the TCM.
  3. Inspect the pins for corrosion or damage; clean or repair as necessary.
  4. Use a multimeter to check for continuity in the wiring harness.
  5. Repair or replace any damaged wires or connectors found.

4. Replace Transmission Control Module (if needed)

• Sub-steps:
  1. If diagnostics indicate a faulty TCM, remove the old module by unscrewing it from its mount.
  2. Disconnect any harnesses and remove the module from the vehicle.
  3. Install the new TCM by reversing the removal steps.
  4. Reconnect all electrical connections and secure the module.

5. Reconnect Battery and Clear Codes

• Reconnect the battery and use the OBD-II scanner to clear the P0700 code and any stored transmission codes.
• Start the engine and allow it to reach operating temperature.