MyTeslaMate
DIRE1R family

DIRE1R_a022_hw5vSupplyUV

Not Available

What does the DIRE1R_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

Semitruck

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.