how to reset the brake warning light on my Tesla Model 3 Original (2017-2023)

Tesla Model 3 Highland (2024-present)

Error Codes

0.5-1 hour

Time

medium

Difficulty

medium

Severity

2 min read

393 words

Problem Statement

Learn how to reset the brake warning light on your Tesla Model 3 (2017-2023). Step-by-step guide with diagnostic procedures and solutions.

Affected Component

Brakes

Estimated Time

0.5-1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is stationary and secure before performing any maintenance.

Symptoms

•Brake warning light illuminated on the dashboard
•Reduced regenerative braking functionality
•Potential loss of brake assist features
•Error message related to the brake system displayed on the screen

Diagnostic Steps

1
Ensure all brake fluid levels are adequate and top off if necessary.
2
Inspect brake pads and rotors for wear and tear.
3
Check for any fault codes using the Tesla app or vehicle diagnostics.
4
Confirm that the parking brake is fully released.
5
Verify that the brake system components are functioning properly.

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 app
•Vehicle diagnostics screen

Parts Required

•Brake fluid (if needed)
•Replacement brake pads or rotors (if needed)

Related Faults

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Diagnostic Steps

1
Ensure all brake fluid levels are adequate and top off if necessary.
2
Inspect brake pads and rotors for wear and tear.
3
Check for any fault codes using the Tesla app or vehicle diagnostics.
4
Confirm that the parking brake is fully released.
5
Verify that the brake system components are functioning properly.

Solution

1. Preparation

Tools Needed: Tesla app or vehicle diagnostics screen
Ensure the vehicle is parked on a flat surface and powered on.

2. Address Underlying Issues

If any issues are found during diagnostics (low brake fluid, worn components), repair or replace those components before attempting to reset the warning light.

3. Resetting the Brake Warning Light

Using the Tesla App:
1. Open the Tesla app on your mobile device.
2. Navigate to the 'Service' section.
3. Select 'Brake System' and follow prompts to reset the warning light.
Using the Vehicle Screen:
1. On the vehicle's touchscreen, go to 'Controls' > 'Service'.
2. Select 'Reset Brake Warning' (if available) and confirm the action.

4. Final Check

After resetting, drive the vehicle a short distance to confirm the brake warning light does not reappear.