IBST-A029
IBST_a029_ecuErrpinCounterFault
Also written as IBST_A029 / IBST A029 / IBST_a029_ecuErrpinCounterFault / ibst_a029_ecuerrpincounterfault
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-A029 mean?
Tesla alert code in the Integrated Brake System (IBST) module. Failure in system ASIC: Errorpin event not counted. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Microcontroller safety logic has detected a failure. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Failure word in case if write/Erase service is requested sporadically. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. HW failure which affects motor control is detected during motor test
Original Description
Failure in system ASIC: Errorpin event not counted. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Microcontroller safety logic has detected a failure. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Failure word in case if write/Erase service is requested sporadically. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. HW failure which affects motor control is detected during motor test
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: Failure in system ASIC: Errorpin event not counted. ECU internal fault, check wiring to the unit and/or re-flash. If pro
- 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-A029 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.