TESLA Diagnostic
IBST-D038
IBST_d038_boostSupUndrvolt
Also written as IBST_D038 / IBST D038 / IBST_d038_boostSupUndrvolt / ibst_d038_boostsupundrvolt
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-D038 mean?
Tesla diagnostic code in the Integrated Brake System (IBST) module. The supply voltage of the booster circuit is below the functional range.
Original Description
The supply voltage of the booster circuit is below the functional range.
Affected Tesla Models
Model SModel XModel 3Model Y
What You May Notice
- Integrated Brake System alert: The supply voltage of the booster circuit is below the functional range.
- 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-D038 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.
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 →