VCBATT1_a527 — LV Battery Cell Imbalance
Full alert identifier: VCBATT1_a527_LVBatteryCellImbalance
Alert description
The low voltage battery management system (LVBMS) reports it has detected a low voltage (LV) battery cell voltage imbalance.
Potential impact
The LV battery may suddenly become unavailable and unable to support vehicle electrical systems. The LV battery may require replacement, and a separate alert should be present to indicate this condition if applicable.
Set condition
The LVBMS detects that all LV battery cell voltages are not within 150mV of each other.
Clear condition
The LVBMS detects that all LV battery cell voltages are within 150mV of each other.
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 |
|---|---|
Cell 1 Voltage
VCBATT1_
|
V |
Cell 2 Voltage
VCBATT1_
|
V |
Cell 3 Voltage
VCBATT1_
|
V |
Cell 4 Voltage
VCBATT1_
|
V |
| Signal | Unit |
|---|---|
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_a527.