TESLA Alert
IBST-A089
IBST_a089_rotorSinOutOfRangeHigh
Also written as IBST_A089 / IBST A089 / IBST_a089_rotorSinOutOfRangeHigh / ibst_a089_rotorsinoutofrangehigh
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-A089 mean?
Tesla alert code in the Integrated Brake System (IBST) module. Rotation Position Sensor Sin+ or Sin-signal too high
Original Description
Rotation Position Sensor Sin+ or Sin-signal too high
Affected Tesla Models
Model SModel XModel 3Model Y
What You May Notice
- Integrated Brake System alert: Rotation Position Sensor Sin+ or Sin-signal too high
- 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-A089 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.
Other IBST Codes
IBST_a001 IBST_a002 IBST_a003 IBST_a004 IBST_a005 IBST_a006 Tesla alert code in the Integrated Brake System (IBST) modul... IBST_a007 IBST_a008
View all IBST codes →