IBST-D048
IBST_d048_unintendMotorReturn
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.?
Severity Notes
IBST-D048 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.