VCLEFT_a359 — Post POR Excessive Ah

Full alert identifier: VCLEFT_a359_postPORExcessiveAh

Alert description

After a vehicle power-on-reset (POR), the vehicle controller detects the low voltage (LV) battery has consumed too many Amp hours (Ah) during its initial charge, indicating the LV battery was deeply discharged prior to the power-on-reset.

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 the Amp hour (Ah) count going into the low voltage (LV) battery while recharging exceeded its limit.

Clear condition

Next LV battery charging session.

Signals to check

These diagnostic fields are associated with VCLEFT_a359. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Bms mia `VCLEFT_a359_BMS_MIA`	—
IBS Ah `VCLEFT_a359_IBSAh`	Ah
IBS Volts `VCLEFT_a359_IBSVolts`	V
Pcs mia `VCLEFT_a359_PCS_MIA`	—
Battery SM State `VCLEFT_a359_batterySMState` 0 INIT 1 CHARGE 2 DISCHARGE 3 STANDBY 8 FAULT	—
Bms State `VCLEFT_a359_bmsState`	—
Coolant Has Been Filled `VCLEFT_a359_coolantHasBeenFilled`	—
Crash Detected `VCLEFT_a359_crashDetected`	—

Show 4 more fields

Signal	Unit
Dcdc LV Support Status `VCLEFT_a359_dcdcLVSupportStatus` 0 IDLE 1 ACTIVE 2 FAULTED	—
Hv State `VCLEFT_a359_hvState` 0 DOWN 1 COMING UP 2 GOING DOWN 3 UP FOR DRIVE 4 UP FOR CHARGE 5 UP FOR DC CHARGE 6 UP	—
Service Mode `VCLEFT_a359_serviceMode`	—
Vehicle Power State `VCLEFT_a359_vehiclePowerState` 0 OFF 1 CONDITIONING 2 ACCESSORY 3 DRIVE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a359.