how to reset the check engine light on Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

15-30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

415 words

Problem Statement

Learn how to reset the check engine light on Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and safety tips.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a safe location and fully charged before performing any resets.

Symptoms

•Check engine light illuminated on the dashboard
•Potential loss of vehicle performance
•Vehicle may enter reduced power mode
•No other visible symptoms since Tesla vehicles have minimal dashboard alerts

Diagnostic Steps

1
Ensure the vehicle is parked in a safe location and in 'Park' mode.
2
Check for any existing error messages on the touchscreen display.
3
Connect a compatible OBD-II scanner to the vehicle's diagnostic port if necessary.
4
Review error codes using the OBD-II scanner or through the Tesla mobile app.
5
If codes are resolved, proceed to reset the check engine light.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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 required for resetting the light.

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Diagnostic Steps

1
Ensure the vehicle is parked in a safe location and in 'Park' mode.
2
Check for any existing error messages on the touchscreen display.
3
Connect a compatible OBD-II scanner to the vehicle's diagnostic port if necessary.
4
Review error codes using the OBD-II scanner or through the Tesla mobile app.
5
If codes are resolved, proceed to reset the check engine light.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner (if required).
Ensure the vehicle is fully charged and parked safely.

Power on the vehicle: Press the brake pedal to power on the vehicle.
Open the touchscreen: Navigate to the settings menu on the touchscreen.
Select 'Service': Tap on the "Service" option in the settings menu.

3. Resetting the Light

Perform a soft reset:
- Press and hold both scroll wheels on the steering wheel until the touchscreen resets (approximately 10 seconds).
Check for codes: If the check engine light remains on, return to the "Service" menu.
Select 'Clear All DTCs': If there are stored trouble codes, select this option to clear them.

4. Final Steps

Turn off the vehicle: After clearing the codes, turn the vehicle off and exit.
Restart the vehicle: Wait a few moments, then power on the vehicle again to check if the check engine light is off.