VCBATT1_a260 — Dead LV Battery
Full alert identifier: VCBATT1_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
VCBATT1_
|
Ah |
IBS Volts
VCBATT1_
|
V |
| Signal | Unit |
|---|---|
Bms mia
VCBATT1_
|
— |
HV Blocking Mismatch
VCBATT1_
|
— |
Hv up
VCBATT1_
|
— |
PCS And VCRE Fuse Stable
VCBATT1_
|
— |
Pcs mia
VCBATT1_
|
— |
Amp Hour Trigger
VCBATT1_
|
— |
Battery SM State
VCBATT1_
|
— |
Bms State
VCBATT1_
|
— |
Show 7 more fields
| Signal | Unit |
|---|---|
Coolant Has Been Filled
VCBATT1_
|
— |
Crash Detected
VCBATT1_
|
— |
Dcdc LV Support Status
VCBATT1_
|
— |
Not Enough Power For Support
VCBATT1_
|
— |
Service Mode
VCBATT1_
|
— |
Vehicle Power State
VCBATT1_
|
— |
Voltage Trigger
VCBATT1_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT1_a260.