HWBIST detected an error.
<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.
HWBIST detected an error.
alert detected in non-redundant safety measures (e.g. compare units) by LBIST or memory alert detected in Global RAM, Local RAM or Peripheral RAMs by MBIST (uncorrectable ECC fault or limit of ECC correctable bit faults exceeded).
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.