DIF family
DIF_a022_hw5vSupplyUV
Not Available
What does the DIF_a022_hw5vSupplyUV alert mean?
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a 5V supply is under voltage.
What you'll see in your Tesla
- Not Available
What triggers it
The FPGA detects a 5V supply regulator PGOOD is not working as expected.
When it clears
The field-programmable gate array (FPGA) no longer detects the 5V supply regulator PGOOD is not working as expected.
Potential impact
Readings from 5V sensors may become erratic.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
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.