VCBATT_a253 — Max Chrge Sssion Tmeout

Full alert identifier: VCBATT_a253_maxChrgeSssionTmeout

Alert description

The low voltage (LV) battery charge cycle was stopped before it reached either its Amp hour or current targets, as the maximum time period for a charging session timeout had been reached.

Potential impact

Increased energy drain when the vehicle is idle, which may cause lower than expected vehicle state of charge (SOC). LV battery may have lower charge than expected.

Set condition

The vehicle controller detects the maximum LV battery charging session timeout is reached.

Clear condition

The next LV battery charging session starts.

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 Amp Hours `VCBATT_a253_IBSAmpHours`	Ah
IBS Current `VCBATT_a253_IBSCurrent`	A
LV Battery Temp `VCBATT_a253_LVBatteryTemp` 127 SNA	degC

Signal	Unit
Amp Hour Target Not Reached `VCBATT_a253_ampHourTargetNotReached`	—
Current Not Tapered `VCBATT_a253_currentNotTapered`	—
First Charge OTA `VCBATT_a253_firstChargeOTA`	—
First Charge POR `VCBATT_a253_firstChargePOR`	—
Frunk Open `VCBATT_a253_frunkOpen`	—
Service Mode `VCBATT_a253_serviceMode`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a253.