MyTeslaMate
VCREAR family

VCREAR_a355_brakeHwAndEpbHwMismatch

Braking functions may be limited or unavailable

What does the VCREAR_a355_brakeHwAndEpbHwMismatch alert mean?

EPB calculate brake hw config and epb hw config independently and checks they are the same

What you'll see in your Tesla

  • Braking functions may be limited or unavailable
  • PULL OVER SAFELY

What triggers it

All GTW config valid for EPB. Brake hw type and epb hw type do not resolve to same EPB config

When it clears

EPB brake hw type and epb hw type resolve to same EPB config

Potential impact

EPB may be misconfigured for vehicle setup. Could result in caliper drag and insufficent clamp force

Affected models

Cybertruck

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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.