IBST-D040
IBST_d040_bmcGateUndervoltPro
Also written as IBST_D040 / IBST D040 / IBST_d040_bmcGateUndervoltPro / ibst_d040_bmcgateundervoltpro
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-D040 mean?
Tesla diagnostic code in the Integrated Brake System (IBST) module. The gate undervoltage detection hardware has detected an undervoltage situation. The bridge driver is disabled to protect the bridge high-side transistors. This may be due to a high voltage ripple on the supply lines.
Original Description
The gate undervoltage detection hardware has detected an undervoltage situation. The bridge driver is disabled to protect the bridge high-side transistors. This may be due to a high voltage ripple on the supply lines.
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: The gate undervoltage detection hardware has detected an undervoltage situation. The bridge driver is disabled to protec
- 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-D040 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.