If the fan stays on with the key off, you likely need a FSR, which can cause an erratic/bad battery drain when it goes bad. You can find writeups on it in the forum and pull it out to check, when it goes bad I can tell by looking at it.
Quote:
Originally Posted by recklessspyder
Wow, same thing just happened to the wife today. Now, I've had a recent history with the battery dying. It happened a few weeks back....got it charged back up and it's been fine since, until today. Of course, it's after a big snow storm and she was stuck at work. I have a new battery (replaced in summer). I have a list of things for the dealer to look at as suspects.
1. Just put my winter tires on.
2. Driver mirror starts adjusting like crazy when I unlock the doors
3. Fan inside seems to be always buzzing when car is not on (dealer tech told me that it is normal)
4. Last time battery died, bluetooth also went out. I went and checked the fuses and re-seated them and checked wires at module and bluetooth started working again (or reset itself since fuses were pulled)
5. There are a lot of post on battery dying...but no one ever seems to have it solved (or posts it)
6. I have a multimeter and somewhat knowledgable with using it (at least for checking battery and alternator voltage). I could do some self diagnosis, I suppose...but it's cold now and don't want to.
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