how to fix P0700 code on Toyota RAV4 Fifth Generation (2019-present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, torque wrench, transmission fluid.
• Disconnect the negative battery terminal to ensure safety during the repair process.
• Gather all necessary tools and parts before starting the repair.

2. Inspect Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Check fluid level; add fluid if low, using the manufacturer-recommended type.
  3. Inspect fluid condition; if it appears dark or has a burnt smell, a fluid change is necessary.

3. Replace Transmission Fluid (if needed)

• Sub-steps:
  1. Raise the vehicle using jack stands and secure it.
  2. Place a drain pan under the transmission pan and remove the drain plug or pan bolts to drain old fluid.
  3. Inspect the transmission filter; replace if clogged or dirty.
  4. Reinstall the drain plug (torque to manufacturer specifications).
  5. Refill the transmission with new fluid through the dipstick tube using a funnel.

4. Check and Repair TCM Wiring

• Sub-steps:
  1. Locate the TCM, typically found near the transmission.
  2. Inspect the wiring harness and connectors; repair any damaged wires or corroded connectors.
  3. Reconnect the TCM and ensure it is securely mounted.

5. Reset the P0700 Code

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear the P0700 code.
  3. Start the vehicle and allow it to reach operating temperature.