how to fix P0700 code in Toyota Camry Seventh Generation (2012-2017)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid, and a funnel.
• Ensure the vehicle is parked on a level surface with the engine off.
• Safety Warning: Disconnect the battery before working on electrical systems.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Wipe it clean and reinsert it to check fluid level.
  3. If low, add the appropriate type of transmission fluid as specified in the owner's manual.
  4. If fluid appears discolored or has a burnt smell, prepare to drain and replace it.
  5. To drain, locate the transmission drain plug, remove it, and allow old fluid to fully drain into a pan.
  6. Replace the drain plug and torque it to the manufacturer's specifications.
  7. Refill with new transmission fluid through the dipstick tube using a funnel.

3. Inspect and Repair Electrical Connections

• Sub-steps:
  1. Locate the TCM and inspect its connectors for corrosion or loose connections.
  2. Use a multimeter to test voltage and ground signals at the TCM connector.
  3. Repair any damaged wiring or connectors as necessary.
  4. Ensure all connections are secure and properly seated.

4. Replace Faulty Sensors

• Sub-steps:
  1. Identify any faulty sensors based on diagnostic results (speed sensors, throttle position sensors).
  2. Disconnect the battery before replacing any sensors.
  3. Remove the faulty sensor by unscrewing it from its mount.
  4. Install the new sensor in reverse order, ensuring it is properly sealed and torqued.
  5. Reconnect the battery.

5. Reprogram or Replace TCM (if necessary)

• Sub-steps:
  1. If diagnostics indicate TCM failure, remove the TCM from its mounting location.
  2. Install a new or reprogrammed TCM, ensuring all connections are secure.
  3. Follow the manufacturer’s guidelines to reprogram the TCM if applicable.