DI_a064 — Pmsrm Unit Mia With Hv Down

Full alert identifier: DI_a064_pmsrmUnitMiaWithHvDown

Alert description

The drive interface (DI) electronic control unit (ECU) detects that a permanent magnet drive unit has gone missing while the high voltage (HV) system is not up

Potential impact

The DI ECU cannot determine the state of a permanent magnet drive unit.

Set condition

The DI ECU is not receiving the expected CAN communication from a permanent magnet drive unit, and considers it irrational or MIA.

Clear condition

Clears on DI power cycle.

Signals to check

These diagnostic fields are associated with DI_a064. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Hv State `DI_a064_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_a064_vehiclePowerState` 0 OFF 1 CONDITIONING 2 ACCESSORY 3 DRIVE	—
Vehicle Speed `DI_a064_vehicleSpeed`	kph

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a064.