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

Tesla Model 3 Highland (2024-present)

Error Codes

0.5 - 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

464 words

Problem Statement

Learn how to clear the check engine light on Tesla Model 3 (2017-2023). Step-by-step guide with diagnostic procedures and solutions.

Affected Component

Electrical

Estimated Time

0.5 - 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is stationary and clear of obstacles before performing any diagnostic or reset actions.

Symptoms

•Check engine light illuminated on the dashboard
•Reduced vehicle performance or power
•Unusual sounds from the vehicle
•Changes in battery efficiency
•Occasional error messages on the touchscreen display

Diagnostic Steps

1
Access the Tesla mobile app or vehicle touchscreen to check for any error messages or alerts.
2
Use the built-in diagnostics feature in the vehicle settings to view any logged faults.
3
If necessary, connect a compatible OBD-II scanner to the vehicle to read any diagnostic trouble codes (DTCs).
4
Review Tesla's service history to check if previous repairs or maintenance may be related to the current issue.
5
Inspect the vehicle visually for any obvious signs of issues, such as leaks, damaged components, or loose connections.

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

•Tesla mobile app
•OBD-II scanner

Parts Required

•Battery

Related Faults

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Diagnostic Steps

1
Access the Tesla mobile app or vehicle touchscreen to check for any error messages or alerts.
2
Use the built-in diagnostics feature in the vehicle settings to view any logged faults.
3
If necessary, connect a compatible OBD-II scanner to the vehicle to read any diagnostic trouble codes (DTCs).
4
Review Tesla's service history to check if previous repairs or maintenance may be related to the current issue.
5
Inspect the vehicle visually for any obvious signs of issues, such as leaks, damaged components, or loose connections.

Solution

1. Preparation

Ensure the vehicle is parked in a safe location with the power off.
Have the Tesla mobile app or an OBD-II scanner ready for use.

2. Address the Underlying Issue

Determine the cause of the check engine light using the diagnostic steps.
If fault codes are present, reference Tesla's service manual or a reliable source to identify the necessary repairs or part replacements.

3. Clear the Check Engine Light

Via Tesla App:
1. Open the Tesla mobile app.
2. Navigate to the 'Service' menu.
3. Find the option to reset the car’s system or clear the alerts.
Via Vehicle Touchscreen:
1. Tap on ‘Service’ on the touchscreen.
2. Select ‘Reset’ to clear the check engine light.
Via OBD-II Scanner:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Follow the on-screen prompts to clear the DTCs.
3. Disconnect the scanner once the process is complete.