MyTeslaMate
SDCF family

SDCF_a009_uartVersionMismatch

Not Available

What does the SDCF_a009_uartVersionMismatch alert mean?

Universal asynchronous receiver-transmitter (UART) data version differs between drive inverter (DI) and secondary disconnect controller (SDC).

What you'll see in your Tesla

  • Not Available

What triggers it

UART data version detected as differing between DI and SDC.

When it clears

UART data version between SDC and DI is identical.

Potential impact

Unable to run pyro self-test.

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.