DI_a020 — System Hvil Not Closed

Full alert identifier: DI_a020_systemHvilNotClosed

Alert description

The drive interface (DI) electronic control unit (ECU) detects that the high voltage interlock loop (HVIL) is not closed.

Contactors may not close.

Any DI unit reports the HVIL status as missing or not closed.

All DI units report that the HVIL status is closed.

These diagnostic fields are associated with DI_a020. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Dif Hvil Status `DI_a020_difHvilStatus` 0 DISABLED 1 OPEN 2 CLOSED 3 SNA	—
Dif Status Valid `DI_a020_difStatusValid`	—
Dir Hvil Status `DI_a020_dirHvilStatus` 0 DISABLED 1 OPEN 2 CLOSED 3 SNA	—
Dir Status Valid `DI_a020_dirStatusValid`	—
Direl Hvil Status `DI_a020_direlHvilStatus` 0 DISABLED 1 OPEN 2 CLOSED 3 SNA	—
Direl Status Valid `DI_a020_direlStatusValid`	—
Direr Hvil Status `DI_a020_direrHvilStatus` 0 DISABLED 1 OPEN 2 CLOSED 3 SNA	—
Direr Status Valid `DI_a020_direrStatusValid`	—

Show 2 more fields

Signal	Unit
Hvil System Status `DI_a020_hvilSystemStatus` 0 DISABLED 1 OPEN 2 CLOSED 3 SNA	—
Vehicle Power State `DI_a020_vehiclePowerState` 0 OFF 1 CONDITIONING 2 ACCESSORY 3 DRIVE	—

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a020.