MyTeslaMate
SSFA family

SSFA_a129_SSFAInterfaceHashMismatch

Not Available

What does the SSFA_a129_SSFAInterfaceHashMismatch alert mean?

Steering feedback actuator is experiencing an interface mismatch

What you'll see in your Tesla

  • Not Available

What triggers it

Steering feedback actuator has incompatible software

When it clears

Steering feedback actuator software is updated to a compatible version

Potential impact

Steering feedback actuator may not function as intended or may limit driving modes

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.