MyTeslaMate
PPB family

PPB_a040_unparkDeniedBrakeNotPressed

Brake pedal must be pressed to release park brakes

What does the PPB_a040_unparkDeniedBrakeNotPressed alert mean?

Unpark prevented due to brake pedal interlock not being satisfied.

What you'll see in your Tesla

  • Brake pedal must be pressed to release park brakes
  • Not Available

What triggers it

Driver attempts to unpark without the brake pedal pressed

When it clears

Brake is pressed when requesting unpark

Potential impact

Tractor/Trailer unpark request not honored

Affected models

Semitruck

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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.