how to fix the P0011 timing over-advanced code in Toyota Highlander Fourth Generation (2020-present)

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the battery to prevent electrical shorts during repairs.
• Allow the engine to cool down before starting work.

2. Change Engine Oil

• Sub-steps:
  1. Lift the vehicle using a jack and secure it with jack stands.
  2. Remove the oil drain plug and drain the old oil into a suitable container.
  3. Replace the oil filter using an oil filter wrench.
  4. Reinstall the oil drain plug and tighten to manufacturer specifications (typically around 30 lb-ft).
  5. Fill the engine with fresh oil that meets manufacturer specifications (usually 0W-20 or 5W-20).

3. Replace VVT Solenoid

• Tools Required: Socket set, ratchet, torque wrench.
• Sub-steps:
  1. Locate the VVT solenoid on the engine (refer to the service manual for exact location).
  2. Disconnect the electrical connector from the solenoid.
  3. Remove the bolts securing the solenoid using the socket set.
  4. Remove the old solenoid and replace it with the new one.
  5. Torque the bolts to specifications (usually around 12 lb-ft).
  6. Reconnect the electrical connector.

4. Inspect Timing Chain/Belt

• Sub-steps:
  1. Remove the engine cover to access the timing chain/belt.
  2. Inspect the timing components for signs of wear or misalignment.
  3. If any components are worn or misaligned, replace the timing chain/belt as needed, following manufacturer specifications for alignment and tension.

5. Reconnect Battery

• Reconnect the battery terminals securely after all repairs are completed.