VCLEFT_a494 — LV Battery Temp Blocking OTA
Full alert identifier: VCLEFT_a494_LVBatteryTempBlockingOTA
Alert description
The vehicle controller detects the low voltage (LV) battery is not within an acceptable temperature range to support vehicle electrical systems during an over-the-air (OTA) vehicle software update.
Potential impact
As the vehicle relies on LV battery support while installing software packages, any attempted vehicle software update will be blocked to prevent loss of electrical power during the update sequence.
Set condition
The vehicle controller detects the LV battery temperature dropping below -20 degrees Celsius for more than 5 consecutive seconds.
Clear condition
The vehicle controller detects the LV battery temperature rising and remaining above -20 degrees Celsius for more than 60 consecutive seconds.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a494.