PCS2 family
PCS2_a086_dcacLVUnderVoltage
Not Available
What does the PCS2_a086_dcacLVUnderVoltage alert mean?
The low voltage (LV) bus goes below the allowed voltage threshold
What you'll see in your Tesla
- Not Available
What triggers it
The LV bus voltage goes below the allowed voltage threshold
When it clears
The DCAC system retries
Potential impact
AC Charging may be limited or unavailable.
Affected models
Model 3 2017-2023
Model 3 2024+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
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.