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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

30 minutes - 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

475 words

Problem Statement

Learn how to reset the check engine light on your Tesla Model S (2012-2020) with this step-by-step guide. Includes diagnostic steps and tools required.

Affected Component

Electrical

Estimated Time

30 minutes - 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' mode before performing resets

Symptoms

•Check engine light illuminated
•Reduced performance or power
•No other warning lights present
•Potentially stored DTC in the system

Diagnostic Steps

1
Check for error codes using a compatible OBD-II scanner
2
Inspect vehicle status to ensure software is up to date
3
Check for pending updates that might affect system performance
4
Perform a soft reset by powering down the vehicle
5
Consult Tesla service if the check engine light persists

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
•Tesla app
•Vehicle interface

Parts Required

•None (unless specific issues are identified)

Related Faults

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Solution

1. Preparation

Tools Required: OBD-II scanner (compatible with Tesla), Tesla app or vehicle interface.
Safety Warnings: Ensure the vehicle is in "Park" mode before performing resets.

2. Use OBD-II Scanner

Connect the OBD-II Scanner: Plug the scanner into the OBD-II port under the dashboard on the driver's side.
Turn on the Ignition: Power on the vehicle by pressing the brake pedal and pressing the start button.
Read DTCs: Follow the scanner's instructions to read any error codes and note them for reference.

3. Resetting the Check Engine Light

Clear Codes: On the OBD-II scanner, select the option to clear or erase error codes. Confirm the action when prompted.
Disconnect the Scanner: Safely unplug the OBD-II scanner from the port.
Power Cycle the Vehicle: Turn off the vehicle and wait for at least 10 seconds before restarting it. This may help to reset any temporary system faults.

4. Soft Reset via Tesla Interface

Access the Tesla Menu: Tap on the car icon on the bottom left of the touchscreen.
Select 'Safety & Security': Navigate to the safety menu within the settings.
Perform a Soft Reset: Hold down both scroll wheels on the steering wheel until the touchscreen restarts. Release the scroll wheels when the Tesla logo appears.