APP_w156 — Epbl Mia Veh Bus
Full alert identifier: APP_w156_epblMiaVehBus
Alert description
One or more of the messages the Autopilot electronic control unit (ECU) receives periodically from the electronic parking brake (EPB) ECU is not received on the Vehicle (VEH) bus, indicating the EPB ECU may be unavailable (MIA).
Potential impact
Autopilot features may be unavailable, or may not function as expected.
Set condition
One or more of the expected messages from the EPB ECU is not received on the Vehicle (VEH) bus.
Clear condition
The Autopilot ECU starts receiving expected messages from the EPB ECU on the Vehicle (VEH) bus.
Signals to check
These diagnostic fields are associated with APP_w156. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Status
APP_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APP_w156.