EPB-1-1
EPB_1_1
Also written as EPB_1_1 / EPB 1 1 / epb_1_1
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does EPB-1-1 mean?
Tesla unknown code in the Electronic Parking Brake (EPB) module. Electronic Parking Brake did not release, it will retry a release and enter fault if retry fails Debug information for 1ms task errors. Vehicle speed is limited based on ultrasonic distance measurements. Currently in ghosted alert. Customer facing alert for Electronic Parking Brake issues which occur when caliper is not moving
Original Description
Electronic Parking Brake did not release, it will retry a release and enter fault if retry fails Debug information for 1ms task errors. Vehicle speed is limited based on ultrasonic distance measurements. Currently in ghosted alert. Customer facing alert for Electronic Parking Brake issues which occur when caliper is not moving
Affected Tesla Models
What You May Notice
- EPB-1-1 may appear with another Tesla alert in the Electronic Parking Brake (EPB) system.
- The vehicle may limit charging, driving, comfort, or safety features depending on the active alerts.
- The alert may clear after sleep, but recurring alerts should be treated as service-relevant.
How to Diagnose and Resolve
- 1 Reboot the vehicle
- 2 Check for OTA software updates
- 3 Monitor over the next few drives; schedule service if alert recurs
Severity Notes
EPB-1-1 is a diagnostic or informational code in the Electronic Parking Brake system. Typically no immediate action is required.