DIR_a119 — Hvp MIA
Full alert identifier: DIR_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 DIR_a119. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Hvp Faults
DIR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a119.