IBST-D049
IBST_d049_cdmOvrvoltLevel1
Also written as IBST_D049 / IBST D049 / IBST_d049_cdmOvrvoltLevel1 / ibst_d049_cdmovrvoltlevel1
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-D049 mean?
Tesla diagnostic code in the Integrated Brake System (IBST) module. There is an overvoltage detected in the UBB above level 1 (default below 17.5V + 0.5V Hysteresis, above 16.5V + 0.5V Hysteresis)?, and system performance is reduced for protection.
Original Description
There is an overvoltage detected in the UBB above level 1 (default below 17.5V + 0.5V Hysteresis, above 16.5V + 0.5V Hysteresis)?, and system performance is reduced for protection.
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: There is an overvoltage detected in the UBB above level 1 (default below 17.5V + 0.5V Hysteresis, above 16.5V + 0.5V Hys
- 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-D049 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.