SDCRER family
SDCRER_a029_diMIA
Not Available
What does the SDCRER_a029_diMIA alert mean?
Drive Inverter (DI) controller area network (CAN) or UART 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 or UART frames from DI.
When it clears
SDC receives all expected CAN and UART frames from DI.
Potential impact
SDC is unable to determine DI status
Affected models
Cybertruck
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.