DI_a227 — Contactors Not Closed

Full alert identifier: DI_a227_contactorsNotClosed

Alert description

The drive interface (DI) electronic control unit (ECU) has not started the drive rail yet because the high voltage (HV) system is not yet energized for drive.

Potential impact

The vehicle cannot enter Drive.

Set condition

The DI ECU detects that the vehicle is in Drive before the HV system is up.

Clear condition

The DI ECU detects that the HV system is up.

Signals to check

These diagnostic fields are associated with DI_a227. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Hv State `DI_a227_hvState` 0 DOWN 1 COMING UP 2 GOING DOWN 3 UP FOR DRIVE 4 UP FOR CHARGE 5 UP FOR DC CHARGE 6 UP	—
Vehicle Power State `DI_a227_vehiclePowerState` 0 OFF 1 CONDITIONING 2 ACCESSORY 3 DRIVE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a227.