EPBL_a112 — EPBL MIA
Full alert identifier: EPBL_a112_EPBL_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).
Potential impact
The parking brake 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 EPBL ECU within the expected time frame.
Clear condition
The vehicle controller starts receiving the expected messages from the EPBL ECU.
Signals to check
These diagnostic fields are associated with EPBL_a112. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Status
EPBL_
|
— |
LIPC LV Power State
EPBL_
|
— |
LIPC Epb Private State
EPBL_
|
— |
LIPC Rail Status
EPBL_
|
— |
LIPC Remote ADC
EPBL_
|
— |
LIPC Switch Status
EPBL_
|
— |
PARTY Status
EPBL_
|
— |
VEH LV Power State
EPBL_
|
— |
Show 3 more fields
| Signal | Unit |
|---|---|
VEH Internal Status
EPBL_
|
— |
VEH Status
EPBL_
|
— |
VEH Veh Nm
EPBL_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBL_a112.