VCBATT1_a476 — LVBMS MIA
Full alert identifier: VCBATT1_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 VCBATT1_a476. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
ECPA State
VCBATT1_
|
— |
FRM 10 Timed Out
VCBATT1_
|
— |
FRM 11 Timed Out
VCBATT1_
|
— |
FRM 12 Timed Out
VCBATT1_
|
— |
FRM 1 Timed Out
VCBATT1_
|
— |
FRM 2 Timed Out
VCBATT1_
|
— |
FRM 3 Timed Out
VCBATT1_
|
— |
FRM 4 Timed Out
VCBATT1_
|
— |
Show 11 more fields
| Signal | Unit |
|---|---|
FRM 5 Timed Out
VCBATT1_
|
— |
FRM 6 Timed Out
VCBATT1_
|
— |
FRM 7 Timed Out
VCBATT1_
|
— |
FRM 8 Timed Out
VCBATT1_
|
— |
FRM 9 Timed Out
VCBATT1_
|
— |
Battery SM State
VCBATT1_
|
— |
Factory Mode
VCBATT1_
|
— |
Frunk Open
VCBATT1_
|
— |
Service Mode
VCBATT1_
|
— |
Transport Mode
VCBATT1_
|
— |
Vehicle Power State
VCBATT1_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT1_a476.