IBST-A066
IBST_a066_tempSens1ShortToSupply
Also written as IBST_A066 / IBST A066 / IBST_a066_tempSens1ShortToSupply / ibst_a066_tempsens1shorttosupply
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-A066 mean?
Tesla alert code in the Integrated Brake System (IBST) module. BLM Temperature Sensor 1 Line shorted to Supply. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit.
Original Description
BLM Temperature Sensor 1 Line shorted to Supply. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit.
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: BLM Temperature Sensor 1 Line shorted to Supply. ECU internal fault, check wiring to the unit and/or re-flash. If proble
- 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-A066 is an Alert in the Integrated Brake System system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.