EPBR_a178_caliperStateUnknown

Electronic Parking Brake was not able to determine caliper state on boot.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Parking brake requires attention
Press park button to reset

Impact

Problem with initializing Electronic Parking Brake

Description

Electronic Parking Brake was not able to determine caliper state on boot.

Cause

Caliper state saved is unknown, corrupted, or mismatches Electronic Parking Brake Monitor

Clear condition

Electronic Parking Brake reaches the fully parked or released state

Models

Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

service

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.