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

Solution

1. Preparation

• Tools Required: Socket set, torque wrench, OBD-II scanner, multimeter, brake cleaner.
• Ensure the vehicle is on a level surface and securely parked.
• Disconnect the 12V battery to prevent accidental electrical issues (safety warning).

2. Remove the Rear Wheel

• Loosen the lug nuts on the rear wheel where the parking brake is located.
• Raise the vehicle using a jack and secure it with jack stands.
• Remove the lug nuts and take off the rear wheel.

3. Inspect and Replace Parking Brake Assembly

• Tools Required: Socket set, torque wrench.
• Remove the bolts securing the parking brake assembly to the rear hub.
• Carefully pull the parking brake assembly off and inspect the components for wear, particularly the actuator and cables.
• If any parts are damaged, replace them with OEM components.

4. Reassemble and Test

• Reinstall the parking brake assembly and torque the bolts to the manufacturer’s specifications.
• Reattach the rear wheel and lower the vehicle.
• Reconnect the battery and clear any error codes using the OBD-II scanner.

5. Adjust Parking Brake

• With the vehicle on a level surface, engage the parking brake through the vehicle's settings on the touchscreen.
• Test the operation of the parking brake to ensure it engages and releases properly.