HVREX family
HVREX_a033_ShuntAsicFault
Not Available
What does the HVREX_a033_ShuntAsicFault alert mean?
The shunt measurement asic has a SPI communication fault or other internal fault
What you'll see in your Tesla
- Not Available
What triggers it
Fault condition was set during SPI communications
When it clears
Normal communications restored (after debounce period)
Potential impact
Shunt readings are stale
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.