Alert Details

DPB_a110_HWBISTError

Description

HWBIST detected an error.

Condition

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).

Clear Condition

No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.

Potential Impact

System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.

Customer Facing Message 1

Power braking assist reduced

Customer Facing Message 2

Braking may require increased effort

Audiences

customer;service-fix

Models

Model Y 2025+