DIF_a119 — Hvp MIA
Full alert identifier: DIF_a119_hvpMIA
Alert description
The drive interface (DI) electronic control unit (ECU) detects that the high voltage processor (HVP) controller area network (CAN) node is missing (MIA).
Potential impact
The DI ECU is unable to monitor the state of the HVP, and active discharge may turn on.
Set condition
The DI ECU is not receiving the expected CAN communication from the HVP, and considers it irrational or MIA.
Clear condition
The DI ECU receives the required CAN messages from the HVP.
Signals to check
These diagnostic fields are associated with DIF_a119. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Hvil
DIF_
|
— |
Hvp Faults
DIF_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a119.