DPB family
DPB_a048_supplyUndervoltageLvl1
Not Available
What does the DPB_a048_supplyUndervoltageLvl1 alert mean?
The voltage supplied to the Decoupled Power Brake (DPB) ECU is below the undervoltage threshold. Brake system performance is reduced.
What you'll see in your Tesla
- Not Available
What triggers it
The voltage supplied to the DPB ECU is less than expected at a level 1 threshold.
When it clears
The issue shall be reset if the supply voltage rises above the undervoltage level1 threshold.
Potential impact
System will be running with full assistant for driver brake request.
Affected models
Model Y 2025+
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