how to reset the check engine light in Tesla Model 3 Original (2017-2023)?

Tesla Model 3 Highland (2024-present)

Error Codes

10-20 minutes

Time

easy

Difficulty

medium

Severity

2 min read

366 words

Problem Statement

Learn how to reset the check engine light on your Tesla Model 3 (2017-2023) with this step-by-step guide. Ensure your vehicle is running smoothly.

Affected Component

Electrical

Estimated Time

10-20 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is stationary and in 'Park' mode when performing diagnostic tasks.

Symptoms

•Check engine light illuminated on the dashboard
•Vehicle performance may be affected (e.g., reduced power)
•Possible error codes stored in the vehicle's computer
•No other visible symptoms present

Diagnostic Steps

1
Use the Tesla mobile app or in-car display to check for any error messages or alerts.
2
Connect a compatible OBD-II scanner to the vehicle’s diagnostic port to retrieve any stored error codes.
3
Review the error codes to determine the underlying issue that caused the check engine light to activate.
4
Address any underlying problems before attempting to reset the check engine light.

Solution

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner

Parts Required

•None for the reset procedure itself.

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Use the Tesla mobile app or in-car display to check for any error messages or alerts.
2
Connect a compatible OBD-II scanner to the vehicle’s diagnostic port to retrieve any stored error codes.
3
Review the error codes to determine the underlying issue that caused the check engine light to activate.
4
Address any underlying problems before attempting to reset the check engine light.

Solution

1. Preparation

Ensure the vehicle is parked in a safe location and the parking brake is engaged.
Ensure the vehicle is in "Park" mode.

2. Accessing the Tesla Interface

On the Tesla touchscreen, tap on 'Controls' located at the bottom corner of the screen.
Navigate to 'Service' and then select 'Diagnostics'.

3. Resetting the Check Engine Light

Within the Diagnostics menu, look for the option to 'Clear All Alerts' or 'Reset Faults'.
Confirm the selection to reset the check engine light.

4. Verifying the Reset

After confirming the reset, check the dashboard to ensure the check engine light is no longer illuminated.
If the light remains on, recheck for any stored error codes.