how do I reset the check engine light on my Tesla Model 3 Highland (2024-present)

Tesla Model 3 Highland (2024-present)

Error Codes

15-30 minutes

Time

easy

Difficulty

medium

Severity

2 min read

378 words

Problem Statement

Learn how to reset the check engine light on your Tesla Model 3 Highland (2024-present). Step-by-step guide with diagnostic procedures and tools required.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is parked safely and in a well-ventilated area while performing any checks.

Symptoms

•Check engine light illuminated
•No noticeable impact on vehicle performance
•Possible error codes stored in the vehicle’s computer

Diagnostic Steps

1
Ensure the vehicle is in 'Park' mode and the ignition is off.
2
Use the Tesla mobile app or touchscreen to check for any active alerts or notifications.
3
Connect a compatible OBD-II scanner to verify if there are any stored error codes.
4
Review the error codes to identify any underlying issues that need addressing before resetting the 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
•Tesla mobile app

Parts Required

•None

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Diagnostic Steps

1
Ensure the vehicle is in 'Park' mode and the ignition is off.
2
Use the Tesla mobile app or touchscreen to check for any active alerts or notifications.
3
Connect a compatible OBD-II scanner to verify if there are any stored error codes.
4
Review the error codes to identify any underlying issues that need addressing before resetting the light.

Solution

1. Preparation

Ensure the vehicle is parked and turned off.
Gather necessary tools: OBD-II scanner (if needed) and a Tesla mobile app.

2. Resetting the Check Engine Light

Using the Touchscreen:
- Turn on the vehicle and tap on the “Controls” menu on the touchscreen.
- Navigate to “Service” and select “Reset All Warning Lights”.
- Confirm the action to reset the check engine light.
Using the Tesla Mobile App:
- Open the Tesla app on your mobile device.
- Tap on the vehicle icon and select “Service”.
- Look for the option to reset the warning lights and confirm the reset.
Using OBD-II Scanner (if applicable):
- Plug the OBD-II scanner into the vehicle’s diagnostic port.
- Turn on the vehicle and follow the scanner’s instructions to clear the error codes.
- Disconnect the scanner once the codes are cleared.