VCFRONT_a182 — Replace LV Battery
Full alert identifier: VCFRONT_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
VCFRONT_
|
degC |
Charged Amp Hours
VCFRONT_
|
Ah |
Discharged Amp Hours
VCFRONT_
|
Ah |
| Signal | Unit |
|---|---|
LV Floor Reached
VCFRONT_
|
— |
Battery Type
VCFRONT_
|
— |
Bleed Fet Test Failure
VCFRONT_
|
— |
Brick Over Discharged
VCFRONT_
|
— |
Calibration Lost Fault
VCFRONT_
|
— |
Cell Imbalance
VCFRONT_
|
— |
Dcr Milli Ohms Above Threshold
VCFRONT_
|
— |
Dead LV
VCFRONT_
|
— |
Show 15 more fields
| Signal | Unit |
|---|---|
Factory Mode
VCFRONT_
|
— |
Frunk Open
VCFRONT_
|
— |
Impedance Growth
VCFRONT_
|
— |
Instant Precharge DCR Too High
VCFRONT_
|
— |
Overcharge
VCFRONT_
|
— |
Pack Over Discharged
VCFRONT_
|
— |
Post POR Excessive Ah
VCFRONT_
|
— |
Precharge LV Load Reduction
VCFRONT_
|
— |
Resistance Estimation Hard Failure
VCFRONT_
|
— |
Sampling HW Error
VCFRONT_
|
— |
Service Mode
VCFRONT_
|
— |
Shorted Cell
VCFRONT_
|
— |
Transport Mode
VCFRONT_
|
— |
Voltage Drop
VCFRONT_
|
— |
Weak Short
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a182.