DIRE1R_a119_hvpMIA
DIRE1R_a119_hvpMIA
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Semitruck
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.