IBST-A045
IBST_a045_WdhAsicWdErrorCntStuck
Also written as IBST_A045 / IBST A045 / IBST_a045_WdhAsicWdErrorCntStuck / ibst_a045_wdhasicwderrorcntstuck
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-A045 mean?
Tesla alert code in the Integrated Brake System (IBST) module. Watchdog of system asic does not react on wrong trigger pattern. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Linear Position Sensor 5Volt Supply Error
Original Description
Watchdog of system asic does not react on wrong trigger pattern. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Linear Position Sensor 5Volt Supply Error
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: Watchdog of system asic does not react on wrong trigger pattern. ECU internal fault, check wiring to the unit and/or re-
- 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-A045 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.