In this guide, you will find step-by-step instructions on how to reset Lexus check engine light. 

What you need

• OBD-II Scanner

Procedure

Follow these steps to reset Lexus check engine light. 

1. Park vehicle and set the emergency brakes. 

    

2. Locate the OBD-II port under the dashboard. 
3. Plugin your scanner.

    

4. Turn on the ignition but don’t start the engine. On vehicles with Start/Stop button, press it twice without touching the brake pedal. 

    

5. Allow the scanner to turn on and connect to the car. 

    

6. Select OBD-II then READ CODES.  Make sure there are no current codes. If the problem has been fixed, only stored codes should be present. 
7. Go back and select CLEAR FAULT CODES. Press enter. 
8. Turn off the ignition, wait 10 seconds and restart the engine. Check engine light should be on. 

This procedure should be performed after a repair. If Lexus check engine light doesn’t turn off, it is because there is a problem that has not been fixed yet. 

Clearing Lexus fault codes without fixing the problem is not recommended. The check engine light will come back on immediately or within a few days depending on the issue. 

Check engine light can also be reset by disconnecting the battery for a few minutes. 

A check engine can also reset on its own if no fault codes are present. Typically it takes several driving cycles or about 4-5 days for Lexus check engine light to reset on its own.