IBST-D109
IBST_d109_micInitSpiTransfErr
What does IBST-D109 mean?
Tesla diagnostic code in the Integrated Brake System (IBST) module. The data transfer to the application-specific integrated circuit (ASIC) (System / Valve / RFP ASIC) through the Serial peripheral interface (SPI) lines has failed during initialization. This could indicate a defect in the ASIC (system ASIC/Valve ASIC/RFP ASIC), SPI line interruptions, or that the wrong data is being sent to the ASIC.
Original Description
The data transfer to the application-specific integrated circuit (ASIC) (System / Valve / RFP ASIC) through the Serial peripheral interface (SPI) lines has failed during initialization. This could indicate a defect in the ASIC (system ASIC/Valve ASIC/RFP ASIC), SPI line interruptions, or that the wrong data is being sent to the ASIC.
Severity Notes
IBST-D109 is a diagnostic or informational code in the Integrated Brake System system. Typically no immediate action is required.