DFLKF family
DFLKF_a001_vbusUndervoltage
Not Available
What does the DFLKF_a001_vbusUndervoltage alert mean?
Differential Locker (DFLK) input voltage sensor providing a value below lower bound threshold.
What you'll see in your Tesla
- Not Available
What triggers it
Input voltage sensor reads below lower bound threshold.
When it clears
Input voltage sensor reads above lower bound threshold.
Potential impact
DFLK may not function as expected.
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.