how to fix the parking brake on Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

517 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix parking brake issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12-volt battery before working on the electrical components.
•Always use jack stands to secure the vehicle when working underneath.

Symptoms

•Parking brake warning light illuminated on the dashboard
•Inability to manually engage or disengage the parking brake
•Unusual noises when attempting to operate the parking brake
•Vehicle rolls when in 'Park' mode
•Error messages displayed on the vehicle's touchscreen

Diagnostic Steps

1
Inspect the parking brake indicator light on the dashboard for any error codes or warnings.
2
Use an OBD-II scanner to check for any error codes related to the parking brake system.
3
Visually inspect the parking brake assembly for any visible damage or loose connections.
4
Check the brake fluid level in the reservoir, ensuring it is within the recommended range.
5
Perform a functionality test of the parking brake using the touchscreen controls.
6
Verify the wiring and connections to the parking brake actuator for any signs of wear or damage.

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
•Socket set
•Torque wrench
•Jack and jack stands
•Screwdriver set
•Pliers

Parts Required

•Replacement parking brake actuator (if needed)
•Replacement brake pads (if worn)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the parking brake indicator light on the dashboard for any error codes or warnings.
2
Use an OBD-II scanner to check for any error codes related to the parking brake system.
3
Visually inspect the parking brake assembly for any visible damage or loose connections.
4
Check the brake fluid level in the reservoir, ensuring it is within the recommended range.
5
Perform a functionality test of the parking brake using the touchscreen controls.
6
Verify the wiring and connections to the parking brake actuator for any signs of wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Disconnect the 12-volt battery to avoid any electrical issues.

2. Access the Parking Brake Assembly

Remove the rear wheels using a jack and jack stands.
Remove the brake caliper and rotor to gain access to the parking brake mechanism.
Tools required: Socket set, torque wrench, jack, jack stands.

3. Inspect and Replace Components

Inspect the parking brake cable for fraying or damage; replace if necessary.
Check the parking brake actuator for proper operation; replace if it is malfunctioning.
Ensure that the brake pads are in good condition and replace if worn out.
Tools required: Screwdriver set, pliers, replacement brake pads, replacement parking brake actuator (if needed).

4. Reassemble and Adjust

Reinstall the rotor and brake caliper, ensuring all bolts are torqued to manufacturer specifications (typically 79 ft-lbs for caliper bolts).
Reattach the rear wheels and lower the vehicle back to the ground.
Connect the battery and perform an adjustment of the parking brake through the vehicle's touchscreen settings.