IBST-D103
IBST_d103_ecuHetTuBusErr
Also written as IBST_D103 / IBST D103 / IBST_d103_ecuHetTuBusErr / ibst_d103_ecuhettubuserr
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-D103 mean?
Tesla diagnostic code in the Integrated Brake System (IBST) module. There is a high end timer transfer unit (HETTU) internal bus error. This could indicate an internal bus failures, such as an addressing or accessing failure.
Original Description
There is a high end timer transfer unit (HETTU) internal bus error. This could indicate an internal bus failures, such as an addressing or accessing failure.
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: There is a high end timer transfer unit (HETTU) internal bus error. This could indicate an internal bus failures, such a
- 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-D103 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.