MyTeslaMate
DPB family

DPB_a235_UB6PlausiMonFault

Power braking assist reduced

What does the DPB_a235_UB6PlausiMonFault alert mean?

UB6 to UBB plausible voltage divider drift alert (large deviation in the UB6 to UBB ratio).

What you'll see in your Tesla

  • Power braking assist reduced
  • Braking may require increased effort

What triggers it

Possible voltage divider drift alert (with respect to UBB and UB6 measurement). Ratio between UBB and UB6 is checked every specified time. alert is set if the ratio is within specified range.

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

Model Y 2025+

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.