DPB_a110_HWBISTError
Power braking assist reduced
What does the DPB_a110_HWBISTError alert mean?
HWBIST detected an error.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
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).
When it clears
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.
Affected models
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