SPI transfer to System ASIC failed.
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
SPI transfer to System ASIC failed.
Transfer Error (error frame, wrong address. timeout, CSIH error) is logged if a SPI alert is detected by ASIC or uC.
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.
Model Y 2025+
customer, service-fix
Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.