VCBATT_a260 — Dead LV Battery
Full alert identifier: VCBATT_a260_deadLVBattery
Alert description
The vehicle controller detects the the low voltage (LV) battery may be overdischarged and no longer functional. This may indicate the LV battery has been damaged due to deep discharge, or it may indicate the LV battery voltage has dropped below the minimum limit for maintaining functionality.
Potential impact
The LV battery may be unable to hold adequate electrical charge to remain functional. Replacement may be necessary, with a separate alert present to indicate that condition if applicable.
Set condition
The vehicle controller detects LV battery voltage or LV battery Amp hour (Ah) budget are below their limits for 5 seconds.
Clear condition
The vehicle controller detects LV battery voltage and the Amp hour (Ah) budget are no longer below their limits.
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 |
|---|---|
IBS Ah
VCBATT_
|
Ah |
IBS Volts
VCBATT_
|
V |
| Signal | Unit |
|---|---|
Bms mia
VCBATT_
|
— |
HV Blocking Mismatch
VCBATT_
|
— |
Hv up
VCBATT_
|
— |
PCS And VCRE Fuse Stable
VCBATT_
|
— |
Pcs mia
VCBATT_
|
— |
Amp Hour Trigger
VCBATT_
|
— |
Battery SM State
VCBATT_
|
— |
Bms State
VCBATT_
|
— |
Show 7 more fields
| Signal | Unit |
|---|---|
Coolant Has Been Filled
VCBATT_
|
— |
Crash Detected
VCBATT_
|
— |
Dcdc LV Support Status
VCBATT_
|
— |
Not Enough Power For Support
VCBATT_
|
— |
Service Mode
VCBATT_
|
— |
Vehicle Power State
VCBATT_
|
— |
Voltage Trigger
VCBATT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a260.