VCBATT_a182 — Replace LV Battery
Full alert identifier: VCBATT_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
VCBATT_
|
degC |
Charged Amp Hours
VCBATT_
|
Ah |
Discharged Amp Hours
VCBATT_
|
Ah |
| Signal | Unit |
|---|---|
LV Floor Reached
VCBATT_
|
— |
Battery Type
VCBATT_
|
— |
Bleed Fet Test Failure
VCBATT_
|
— |
Brick Over Discharged
VCBATT_
|
— |
Calibration Lost Fault
VCBATT_
|
— |
Cell Imbalance
VCBATT_
|
— |
Dcr Milli Ohms Above Threshold
VCBATT_
|
— |
Dead LV
VCBATT_
|
— |
Show 15 more fields
| Signal | Unit |
|---|---|
Factory Mode
VCBATT_
|
— |
Frunk Open
VCBATT_
|
— |
Impedance Growth
VCBATT_
|
— |
Instant Precharge DCR Too High
VCBATT_
|
— |
Overcharge
VCBATT_
|
— |
Pack Over Discharged
VCBATT_
|
— |
Post POR Excessive Ah
VCBATT_
|
— |
Precharge LV Load Reduction
VCBATT_
|
— |
Resistance Estimation Hard Failure
VCBATT_
|
— |
Sampling HW Error
VCBATT_
|
— |
Service Mode
VCBATT_
|
— |
Shorted Cell
VCBATT_
|
— |
Transport Mode
VCBATT_
|
— |
Voltage Drop
VCBATT_
|
— |
Weak Short
VCBATT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a182.