SDCR family
SDCR_a012_vBoostSecIrrational
Not Available
What does the SDCR_a012_vBoostSecIrrational alert mean?
Secondary disconnect controller (SDC) boost rail voltage sensor is providing irrational values.
What you'll see in your Tesla
- Not Available
What triggers it
SDC boost rail sensor reading is below operational value while HV backup rail voltage measurement (Vbackup) is at nominal value.
When it clears
Boost rail sensor voltage reading falls within a nominal / expected range.
Potential impact
Pyro disconnect may not function as expected.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model Y
Model Y 2025+
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