VCBATT_a476 — LVBMS MIA
Full alert identifier: VCBATT_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 VCBATT_a476. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
ECPA State
VCBATT_
|
— |
FRM 10 Timed Out
VCBATT_
|
— |
FRM 11 Timed Out
VCBATT_
|
— |
FRM 12 Timed Out
VCBATT_
|
— |
FRM 1 Timed Out
VCBATT_
|
— |
FRM 2 Timed Out
VCBATT_
|
— |
FRM 3 Timed Out
VCBATT_
|
— |
FRM 4 Timed Out
VCBATT_
|
— |
Show 11 more fields
| Signal | Unit |
|---|---|
FRM 5 Timed Out
VCBATT_
|
— |
FRM 6 Timed Out
VCBATT_
|
— |
FRM 7 Timed Out
VCBATT_
|
— |
FRM 8 Timed Out
VCBATT_
|
— |
FRM 9 Timed Out
VCBATT_
|
— |
Battery SM State
VCBATT_
|
— |
Factory Mode
VCBATT_
|
— |
Frunk Open
VCBATT_
|
— |
Service Mode
VCBATT_
|
— |
Transport Mode
VCBATT_
|
— |
Vehicle Power State
VCBATT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a476.