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

Tesla Model 3 Highland (2024-present)

Error Codes

15-30 minutes

Time

easy

Difficulty

medium

Severity

3 min read

433 words

Problem Statement

Learn how to reset the check engine light on Tesla Model 3 (2017-2023) with step-by-step instructions and diagnostic tips for effective troubleshooting.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a safe, stationary position before performing any resets.

Symptoms

•Check engine light illuminated on the dashboard
•No noticeable changes in vehicle performance
•Possible stored error codes in the vehicle's system
•No other warning lights activated

Diagnostic Steps

1
Ensure the vehicle is in a stationary position and powered on.
2
Use the touchscreen to check for any alerts or notifications related to the check engine light.
3
Access the vehicle's diagnostic system using the Tesla app or touchscreen.
4
Review any stored error codes to determine if there are underlying issues that need to be addressed.

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

•Tesla mobile app
•Touchscreen interface

Parts Required

•None

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Diagnostic Steps

1
Ensure the vehicle is in a stationary position and powered on.
2
Use the touchscreen to check for any alerts or notifications related to the check engine light.
3
Access the vehicle's diagnostic system using the Tesla app or touchscreen.
4
Review any stored error codes to determine if there are underlying issues that need to be addressed.

Solution

1. Preparation

Ensure the vehicle is parked and powered on.
Have the Tesla app installed and ready, or access the vehicle's touchscreen interface.
Confirm that the vehicle's software is updated to the latest version.

2. Access the Vehicle's Diagnostics

Using the Touchscreen:
1. Tap on 'Service' from the main menu on the touchscreen.
2. Select ‘Diagnostics’ to access the vehicle's diagnostic information.
Using the Tesla App:
1. Open the Tesla app on your mobile device.
2. Navigate to 'Service' and check for any notifications regarding the check engine light.

3. Clear the Error Codes

Using the Touchscreen:
1. In the Diagnostics section, look for an option to ‘Clear Errors’ or ‘Reset.’
2. Confirm the action to clear any error codes associated with the check engine light.
Using the Tesla App:
1. If available, select the option to reset or clear the check engine light from the app interface.
2. Follow any prompts to confirm the reset.

4. Verify the Reset

Power cycle the vehicle by turning it off and then back on.
Wait for a few moments to see if the check engine light returns.