IBST-A039
IBST_a039_GTMRefFrequencyError
What does IBST-A039 mean?
Tesla alert code in the Integrated Brake System (IBST) module. Task scheme error detected (e.g. task not activated in expected time frame task not activated at all). ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Internal Control Module Random Access Memory (RAM) Error. ECU internal fault, check wiring to the unit and/or re-flash. If problem continues after several power cycles, replace unit.
Original Description
Task scheme error detected (e.g. task not activated in expected time frame task not activated at all). ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit. Internal Control Module Random Access Memory (RAM) Error. ECU internal fault, check wiring to the unit and/or re-flash. If problem continues after several power cycles, replace unit.
Severity Notes
IBST-A039 is an Alert in the Integrated Brake System system. It is generally safe to continue driving, but have it checked at your next scheduled service.