SDCR family
SDCR_a028_vcLVStateMIA
Not Available
What does the SDCR_a028_vcLVStateMIA alert mean?
Vehicle Controller (VC) LV Power State controller area network (CAN) communication to the secondary disconnect controller (SDC) is missing (MIA).
What you'll see in your Tesla
- Not Available
What triggers it
SDC is not receiving all expected CAN frames from VC.
When it clears
SDC receives all expected CAN frames from VC.
Potential impact
SDC is unable to determine if drive inverter (DI) is expected to be LV powered
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
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.