UI-A026
UI_a026_ModemResetLoopDetected
Also written as UI_A026 / UI A026 / UI_a026_ModemResetLoopDetected / ui_a026_modemresetloopdetected
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-A026 mean?
Tesla alert code in the User Interface (UI) module. Cell link state machine is in a reset loop possibly due to an unresponsive modem Modem resumes standard operation
Original Description
Cell link state machine is in a reset loop possibly due to an unresponsive modem Modem resumes standard operation
Affected Tesla Models
What You May Notice
- User Interface alert: Cell link state machine is in a reset loop possibly due to an unresponsive modem Modem resumes standard operation
- 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-A026 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.