VCLEFT_a260 — Dead LV Battery
Full alert identifier: VCLEFT_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
These diagnostic fields are associated with VCLEFT_a260. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Bms mia
VCLEFT_
|
— |
HV Blocking Mismatch
VCLEFT_
|
— |
Hv up
VCLEFT_
|
— |
IBS Ah
VCLEFT_
|
Ah |
IBS Volts
VCLEFT_
|
V |
PCS And VCRE Fuse Stable
VCLEFT_
|
— |
Pcs mia
VCLEFT_
|
— |
Amp Hour Trigger
VCLEFT_
|
— |
Show 9 more fields
| Signal | Unit |
|---|---|
Battery SM State
VCLEFT_
|
— |
Bms State
VCLEFT_
|
— |
Coolant Has Been Filled
VCLEFT_
|
— |
Crash Detected
VCLEFT_
|
— |
Dcdc LV Support Status
VCLEFT_
|
— |
Not Enough Power For Support
VCLEFT_
|
— |
Service Mode
VCLEFT_
|
— |
Vehicle Power State
VCLEFT_
|
— |
Voltage Trigger
VCLEFT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a260.