DPB family
DPB_a204_CANUndervoltage
Not Available
What does the DPB_a204_CANUndervoltage alert mean?
replacement fault for NET undervoltage situation.
What you'll see in your Tesla
- Not Available
What triggers it
System detected under-voltage on CAN BUS.
When it clears
No issue is detected in current operation cycle.
Potential impact
Degradation state will be same as other root-cause alert.
Affected models
Model Y 2025+
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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.