IBST-D020
IBST_d020_voltPreRegModeFld
Also written as IBST_D020 / IBST D020 / IBST_d020_voltPreRegModeFld / ibst_d020_voltpreregmodefld
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-D020 mean?
Tesla diagnostic code in the Integrated Brake System (IBST) module. The voltage pre-regulator mode in the application-specific integrated circuit (ASIC) does not fit to the software (SW) configuration. The ASIC monitors the hardware (HW) pre-regulator configuration and compares it to the flashed SW configuration. The presence of this alert indicates the SW configuration of the pre-regulator does not fit the ASIC HW configuration or there is a HW malfunction t in the ASIC voltage pre-regulator path.?
Original Description
The voltage pre-regulator mode in the application-specific integrated circuit (ASIC) does not fit to the software (SW) configuration. The ASIC monitors the hardware (HW) pre-regulator configuration and compares it to the flashed SW configuration. The presence of this alert indicates the SW configuration of the pre-regulator does not fit the ASIC HW configuration or there is a HW malfunction t in the ASIC voltage pre-regulator path.?
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: The voltage pre-regulator mode in the application-specific integrated circuit (ASIC) does not fit to the software (SW) c
- 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-D020 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.