MyTeslaMate
VCLEFT family

VCLEFT_a598_hornButtonTypeMisconfig

Steering wheel buttons and horn unavailable

What does the VCLEFT_a598_hornButtonTypeMisconfig alert mean?

The steering wheel horn button type reported by the vehicle Gateway does not match the Local Interconnect Network (LIN) communication frames being received from the steering wheel controller.

What you'll see in your Tesla

  • Steering wheel buttons and horn unavailable
  • Service required to restore functionality

What triggers it

The Gateway configuration value for the horn button type does not match the LIN frames being received from the steering wheel controller.

When it clears

The correct Gateway configuration value for the horn button type is set.

Potential impact

Steering wheel horn button is unavailable.

Affected models

Model S 2021+ Model X 2021+

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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.