PCS family
PCS_a044_12vSupportRegulation
Not Available
What does the PCS_a044_12vSupportRegulation alert mean?
PCS DCDC is not able to regulate LV output
What you'll see in your Tesla
- Not Available
What triggers it
DCDC converter 12V support regulator detects irrational condition
When it clears
DCDC converter state machine clears faults
Potential impact
Inability to support 12V system
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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