IBST-D048
IBST_d048_unintendMotorReturn
Also written as IBST_D048 / IBST D048 / IBST_d048_unintendMotorReturn / ibst_d048_unintendmotorreturn
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-D048 mean?
Tesla diagnostic code in the Integrated Brake System (IBST) module. There is a detection of an unintended returning motor due to a power supply breakdown. The Booster Master Switch gets switched off, and the brake chopper circuit gets activated to prevent the motor from being pushed back by the high hydraulic force. This indicates a power supply breakdown or mechanical / electrical damage of the motor during actuation.?
Original Description
There is a detection of an unintended returning motor due to a power supply breakdown. The Booster Master Switch gets switched off, and the brake chopper circuit gets activated to prevent the motor from being pushed back by the high hydraulic force. This indicates a power supply breakdown or mechanical / electrical damage of the motor during actuation.?
Affected Tesla Models
What You May Notice
- Integrated Brake System alert: There is a detection of an unintended returning motor due to a power supply breakdown. The Booster Master Switch gets sw
- 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-D048 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.