TESLA Alert
IBST-A085
IBST_a085_supplyUndervoltageLvl3
Also written as IBST_A085 / IBST A085 / IBST_a085_supplyUndervoltageLvl3 / ibst_a085_supplyundervoltagelvl3
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 IBST-A085 mean?
Tesla alert code in the Integrated Brake System (IBST) module. UBB supply voltage below shutdown threshold(undervoltage level3).
Original Description
UBB supply voltage below shutdown threshold(undervoltage level3).
Affected Tesla Models
Model SModel XModel 3Model Y
What You May Notice
- Integrated Brake System alert: UBB supply voltage below shutdown threshold(undervoltage level3).
- No noticeable change in braking performance under normal driving
How to Diagnose and Resolve
- 1 Reboot the vehicle
- 2 Monitor over the next few drives
- 3 Schedule service if the alert reappears
Severity Notes
IBST-A085 is an Alert in the Integrated Brake System system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.
Other IBST Codes
IBST_a001 IBST_a002 IBST_a003 IBST_a004 IBST_a005 IBST_a006 Tesla alert code in the Integrated Brake System (IBST) modul... IBST_a007 IBST_a008
View all IBST codes →