DPB_a238_microRegisterFault
Power braking assist reduced
What does the DPB_a238_microRegisterFault alert mean?
An ADC register Bit flipped or is stucked.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
One of the following: Bits of a monitored register flipped or Bits of a monitored register are stucked. Reads registers cyclically and compares them with expected values.
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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