VCBATT1_a182 — Replace LV Battery
Full alert identifier: VCBATT1_a182_replaceLVBattery
Message shown in the car
Schedule service to replace low voltage battery Software will not update until battery is replaced
Alert description
The Low Voltage (LV) battery needs to be replaced.
Potential impact
The LV battery may lack the power to support vehicle auxiliary systems. The vehicle may be unable to start and range loss may be experienced.
Set condition
LV battery diagnosed as needing replacement to maintain full vehicle functionality
Clear condition
Vehicle LV power disconnect procedure is performed (as would happen during LV battery replacement).
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Ambient Temp
VCBATT1_
|
degC |
Charged Amp Hours
VCBATT1_
|
Ah |
Discharged Amp Hours
VCBATT1_
|
Ah |
| Signal | Unit |
|---|---|
LV Floor Reached
VCBATT1_
|
— |
Battery Type
VCBATT1_
|
— |
Bleed Fet Test Failure
VCBATT1_
|
— |
Brick Over Discharged
VCBATT1_
|
— |
Calibration Lost Fault
VCBATT1_
|
— |
Cell Imbalance
VCBATT1_
|
— |
Dcr Milli Ohms Above Threshold
VCBATT1_
|
— |
Dead LV
VCBATT1_
|
— |
Show 15 more fields
| Signal | Unit |
|---|---|
Factory Mode
VCBATT1_
|
— |
Frunk Open
VCBATT1_
|
— |
Impedance Growth
VCBATT1_
|
— |
Instant Precharge DCR Too High
VCBATT1_
|
— |
Overcharge
VCBATT1_
|
— |
Pack Over Discharged
VCBATT1_
|
— |
Post POR Excessive Ah
VCBATT1_
|
— |
Precharge LV Load Reduction
VCBATT1_
|
— |
Resistance Estimation Hard Failure
VCBATT1_
|
— |
Sampling HW Error
VCBATT1_
|
— |
Service Mode
VCBATT1_
|
— |
Shorted Cell
VCBATT1_
|
— |
Transport Mode
VCBATT1_
|
— |
Voltage Drop
VCBATT1_
|
— |
Weak Short
VCBATT1_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT1_a182.