VCBATT1_a462 — LVBMS Fault
Full alert identifier: VCBATT1_a462_LVBMSFault
Alert description
The low voltage battery management system (LVBMS) reports a condition affecting the low voltage (LV) battery or the ability of the LVBMS to manage the LV battery. May result in LV battery damage or loss of LV battery support for vehicle electrical systems.
Potential impact
Lack of LVBMS functionality may result in LV battery damage or degradation, and may also result in loss of LV battery support for vehicle electrical systems.
Set condition
The LVBMS detects a condition affecting its ability to manage the LV battery. Alert log signal data should provide more information.
Clear condition
The LVBMS no longer detects a condition affecting its ability to manage the LV battery.
Signals to check
These diagnostic fields are associated with VCBATT1_a462. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Balance Circuit Fault
VCBATT1_
|
— |
CPA State
VCBATT1_
|
— |
Cell OV Level 1
VCBATT1_
|
— |
Cell OV Level 2
VCBATT1_
|
— |
Cell OV Level 3
VCBATT1_
|
— |
Cell UV Level 1
VCBATT1_
|
— |
Cell UV Level 2
VCBATT1_
|
— |
Chrg OC Level 1
VCBATT1_
|
— |
Show 17 more fields
| Signal | Unit |
|---|---|
Chrg OC Level 2
VCBATT1_
|
— |
Deep Discharge
VCBATT1_
|
— |
Dischrg OC Level 1
VCBATT1_
|
— |
Hardware OC Level 2
VCBATT1_
|
— |
Imbalance
VCBATT1_
|
— |
KB Value Lost Fault
VCBATT1_
|
— |
MOSFETOT Level 1
VCBATT1_
|
— |
MOSFET Stuck Close
VCBATT1_
|
— |
MOSFET Stuck Open
VCBATT1_
|
— |
MOS Open Fault
VCBATT1_
|
— |
Module OT Level 1
VCBATT1_
|
— |
NTC Temp Diff Warn Level 1
VCBATT1_
|
— |
Pack OV Level 1
VCBATT1_
|
— |
Pack OV Level 2
VCBATT1_
|
— |
Sampling Error
VCBATT1_
|
— |
Frunk Open
VCBATT1_
|
— |
Service Mode
VCBATT1_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT1_a462.