IBST-A122
IBST_a122_RPSVectorOscillating
Also written as IBST_A122 / IBST A122 / IBST_a122_RPSVectorOscillating / ibst_a122_rpsvectoroscillating
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-A122 mean?
Tesla alert code in the Integrated Brake System (IBST) module. RPS raw signals (sine and cosine): vector length Oscillating. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Lips IDs are not available in this power cycle
Original Description
RPS raw signals (sine and cosine): vector length Oscillating. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Lips IDs are not available in this power cycle
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: RPS raw signals (sine and cosine): vector length Oscillating. ECU internal fault, check wiring to the unit and/or re-fla
- 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-A122 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.