VCFRONT_a260 — Dead LV Battery
Full alert identifier: VCFRONT_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
VCFRONT_
|
Ah |
IBS Volts
VCFRONT_
|
V |
| Signal | Unit |
|---|---|
Bms mia
VCFRONT_
|
— |
HV Blocking Mismatch
VCFRONT_
|
— |
Hv up
VCFRONT_
|
— |
PCS And VCRE Fuse Stable
VCFRONT_
|
— |
Pcs mia
VCFRONT_
|
— |
Amp Hour Trigger
VCFRONT_
|
— |
Battery SM State
VCFRONT_
|
— |
Bms State
VCFRONT_
|
— |
Show 7 more fields
| Signal | Unit |
|---|---|
Coolant Has Been Filled
VCFRONT_
|
— |
Crash Detected
VCFRONT_
|
— |
Dcdc LV Support Status
VCFRONT_
|
— |
Not Enough Power For Support
VCFRONT_
|
— |
Service Mode
VCFRONT_
|
— |
Vehicle Power State
VCFRONT_
|
— |
Voltage Trigger
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a260.