VCFRONT_a476 — LVBMS MIA
Full alert identifier: VCFRONT_a476_LVBMSMIA
Message shown in the car
Low voltage battery disconnected Reconnect low voltage battery or schedule service
Alert description
One or more of the messages the vehicle controller receives periodically from the Low Voltage Battery Management System (LVBMS) is not received, indicating the LVBMS may be unavailable (MIA).
Potential impact
Vehicle functions that depend on the low voltage battery controllers 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 LVBMS within the expected time frame over the local interconnect network (LIN).
Clear condition
The vehicle controller starts receiving the expected messages from LVBMS over LIN.
Signals to check
These diagnostic fields are associated with VCFRONT_a476. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
ECPA State
VCFRONT_
|
— |
FRM 10 Timed Out
VCFRONT_
|
— |
FRM 11 Timed Out
VCFRONT_
|
— |
FRM 12 Timed Out
VCFRONT_
|
— |
FRM 1 Timed Out
VCFRONT_
|
— |
FRM 2 Timed Out
VCFRONT_
|
— |
FRM 3 Timed Out
VCFRONT_
|
— |
FRM 4 Timed Out
VCFRONT_
|
— |
Show 11 more fields
| Signal | Unit |
|---|---|
FRM 5 Timed Out
VCFRONT_
|
— |
FRM 6 Timed Out
VCFRONT_
|
— |
FRM 7 Timed Out
VCFRONT_
|
— |
FRM 8 Timed Out
VCFRONT_
|
— |
FRM 9 Timed Out
VCFRONT_
|
— |
Battery SM State
VCFRONT_
|
— |
Factory Mode
VCFRONT_
|
— |
Frunk Open
VCFRONT_
|
— |
Service Mode
VCFRONT_
|
— |
Transport Mode
VCFRONT_
|
— |
Vehicle Power State
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a476.