That 26% charge may also be killing the lifetime of your lead-acid battery. If you are finding it in that state of charge very often, you should consider buying a battery maintainer and using it periodically. Reset the BMS after use.
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WARNING: Be Sure to attach a Charger (especially on a Hybrid) to prevent Electrical Load Shedding during updating
I recently took my ecoboost in for a recall update. A few days later I had to bring it back. Kept getting charging warnings at high speed. Needed a new battery at under 15k miles. Could this be the cause?
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If the battery died during an update, something isn't going to be working at all.
A code update runs a checksum that file was delivered, then applied correctly.
So a few lines of code being wrong for a specific scenario just isn't a thing.
More likely the whole process was supposed to have some extra steps that weren't done at the end.
If you've ever watched your Windows update routine there's the download (which may happen in the background) where poweroff doesn't matter - but when it comes time to write it - you get the warnings you better not power off.
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