UI-A057
UI_a057_CellAntennaDisconnected
Also written as UI_A057 / UI A057 / UI_a057_CellAntennaDisconnected / ui_a057_cellantennadisconnected
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 UI-A057 mean?
Tesla alert code in the User Interface (UI) module. Ecall backup antenna is disconnected Modem measures antenna load, which indicates a disconnected antenna Ecall backup antenna inoperative Driver pushed 'IGNORE AND CONTINUE TO DRIVE' to dismiss the Front Trunk Open alert pop-up Potential danger of front trunk open whilst driving (acknowledged by driver)
Original Description
Ecall backup antenna is disconnected Modem measures antenna load, which indicates a disconnected antenna Ecall backup antenna inoperative Driver pushed 'IGNORE AND CONTINUE TO DRIVE' to dismiss the Front Trunk Open alert pop-up Potential danger of front trunk open whilst driving (acknowledged by driver)
Affected Tesla Models
What You May Notice
- User Interface alert: Ecall backup antenna is disconnected Modem measures antenna load, which indicates a disconnected antenna Ecall backup an
- Touchscreen may show an error for one or more apps or settings
- Feature may restore itself after a reboot
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
- 2 Check for pending OTA software updates
- 3 If the issue persists, schedule a service appointment
Severity Notes
UI-A057 is an Alert in the User Interface system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.