VCFRONT_a196 — Discnctd LV Battery

Full alert identifier: VCFRONT_a196_discnctdLVBattery

Message shown in the car

Low voltage battery disconnected Reconnect low voltage battery or schedule service

Alert description

The low voltage (LV) battery is disconnected.

Potential impact

Loss of support from the low voltage (LV) battery, so the vehicle electrical system is only supported via the power conversion system (PCS). Lead acid only: Some vehicle features may be unavailable due to load shedding. There should be another alert present to indicate this.

Set condition

No current flow detected to / from the low voltage (LV) battery for an extended time period.

Clear condition

Current flow detected to / from the low voltage (LV) battery.

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
Disconnected Battery Test Current `VCFRONT_a196_disconnectedBatteryTestCurrent`	A
Disconnected Battery Test Prev Voltage `VCFRONT_a196_disconnectedBatteryTestPrevVoltage`	V
Disconnected Battery Test Voltage `VCFRONT_a196_disconnectedBatteryTestVoltage`	V

Signal	Unit
ECPA State `VCFRONT_a196_ECPAState` 0 OPEN 1 CLOSED 2 INVALID 3 SNA	—
Battery SM State `VCFRONT_a196_batterySMState`	—
Factory Mode `VCFRONT_a196_factoryMode`	—
Frunk Open `VCFRONT_a196_frunkOpen`	—
Service Mode `VCFRONT_a196_serviceMode`	—
Transport Mode `VCFRONT_a196_transportMode`	—
Vehicle Power State `VCFRONT_a196_vehiclePowerState` 0 OFF 1 CONDITIONING 2 ACCESSORY 3 DRIVE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a196.