DI_a128 — Psfa MIA
Full alert identifier: DI_a128_psfaMIA
Alert description
The drive interface (DI) electronic control unit (ECU) detects that the Primary Steering Feedback Actuator (PSFA) controller area network (CAN) node is missing (MIA).
Potential impact
The DI ECU is unable to monitor the state of the PSFA.
Set condition
The DI ECU is not receiving the expected CAN communication from the PSFA, and considers it irrational or MIA.
Clear condition
The DI ECU receives the required CAN messages from the PSFA.
Signals to check
These diagnostic fields are associated with DI_a128. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Status
DI_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a128.