VCFRONT_a441_TLVBMS_ResetNeededForNvmPackSwap
Low voltage battery replacement detected
What does the VCFRONT_a441_TLVBMS_ResetNeededForNvmPackSwap alert mean?
A pack serial number (SN) change has been detected which requires an ECU reset to re-initialize data from non-volatile memory (NVM)
What you'll see in your Tesla
- Low voltage battery replacement detected
- Service required to run Learn New Battery routine
What triggers it
A valid pack SN has been read with does not match the pack SN associated with the NVM data used after ECU reset
When it clears
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.
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
Affected models
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