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VCFRONT_a441 — T LVBMS Reset Needed For Nvm Pack Swap

Full alert identifier: VCFRONT_a441_TLVBMS_ResetNeededForNvmPackSwap

Message shown in the car

Low voltage battery replacement detected Service required to run Learn New Battery routine

Alert description

A pack serial number (SN) change has been detected which requires an ECU reset to re-initialize data from non-volatile memory (NVM)

Potential impact

The NVM data used during initialization may not match with the swapped pack. Pack vitals, such as State of Charge, may be inaccurate

Set condition

A valid pack SN has been read with does not match the pack SN associated with the NVM data used after ECU reset

Clear condition

The NVM data used after ECU reset has an associated pack SN matching that of the installed pack. To reset ECU, enter Service Mode and run Learn New Battery routine.

Signals to check

These diagnostic fields are associated with VCFRONT_a441. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Bmb Module Id VCFRONT_a441_bmbModuleId —
Bmb Module Id Prev VCFRONT_a441_bmbModuleIdPrev —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a441.

Browse all VCFRONT alert codes