EPBR_a112 — EPBL MIA
Full alert identifier: EPBR_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 EPBR_a112. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Status
EPBR_
|
— |
LIPC LV Power State
EPBR_
|
— |
LIPC Epb Private State
EPBR_
|
— |
LIPC Rail Status
EPBR_
|
— |
LIPC Remote ADC
EPBR_
|
— |
LIPC Switch Status
EPBR_
|
— |
PARTY Status
EPBR_
|
— |
VEH LV Power State
EPBR_
|
— |
Show 3 more fields
| Signal | Unit |
|---|---|
VEH Internal Status
EPBR_
|
— |
VEH Status
EPBR_
|
— |
VEH Veh Nm
EPBR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a112.