IBST-A064
IBST_a064_tempSens1ShortToGround
Also written as IBST_A064 / IBST A064 / IBST_a064_tempSens1ShortToGround / ibst_a064_tempsens1shorttoground
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-A064 mean?
Tesla alert code in the Integrated Brake System (IBST) module. BLM Temperature Sensor 1 Line shorted to Ground. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. The deviation between differential travel signal channel 1 and 2 is out of its functional range Maximum allowed time is reached to start the system VCLEFT_epbmStatus message not received or corrupt Transfer error occurred during DMA transfer. 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 Ground. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. The deviation between differential travel signal channel 1 and 2 is out of its functional range Maximum allowed time is reached to start the system VCLEFT_epbmStatus message not received or corrupt Transfer error occurred during DMA transfer. 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 Ground. 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-A064 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.