DIR_a022 — Hw5v Supply UV
Full alert identifier: DIR_a022_hw5vSupplyUV
Alert description
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a 5V supply is under voltage.
Potential impact
Readings from 5V sensors may become erratic.
Set condition
The FPGA detects a 5V supply regulator PGOOD is not working as expected.
Clear condition
The field-programmable gate array (FPGA) no longer detects the 5V supply regulator PGOOD is not working as expected.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a022.