HVREX_a004 — Missing Part Number
Full alert identifier: HVREX_a004_MissingPartNumber
Alert description
Incorrect, missing, or unsupported board part number programmed
Potential impact
ECU is unable to initialize parameters related to printed circuit board assembly (PCBA) configuration
Set condition
ECU detects an unexpected board part number
Clear condition
ECU detects the expected board part number
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVREX_a004.