PSFAM_a128 — VCREAR MIA
Full alert identifier: PSFAM_a128_VCREAR_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the rear vehicle controller (VCREAR) is not received, indicating the VCREAR may be unavailable (MIA).
Potential impact
Vehicle functions that depend on the VCREAR may be unavailable or may not function as expected.
Set condition
The vehicle controller does not receive one or more of the expected messages from the VCREAR within the expected time frame.
Clear condition
The vehicle controller starts receiving the expected messages from the VCREAR.
Signals to check
These diagnostic fields are associated with PSFAM_a128. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
EGGREARPRIV LV Power State
PSFAM_
|
— |
REARSTEER LV Power State
PSFAM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PSFAM_a128.