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Why does my battery drain overnight?

Tiny
VW06
  • MEMBER
  • 2006 VOLKSWAGEN BEETLE
  • 53,000 MILES
Car has a new battery. We've checked all the fuses without the battery hooked up. Cannot find a drain. However, when hooking the battery back up the drivers side window started rolling down by itself and the CD player started making noise.
Thursday, March 29th, 2012 AT 1:20 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This sounds like you have a BCM that is not powering down into sleep mode. But to but sure here is a guide to help you go through the easy stuff first.

https://www.2carpros.com/articles/car-battery-dead-overnight

Please let us know what you find. We are interested to see what it is.

Cheers
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Thursday, March 29th, 2012 AT 3:01 AM
Tiny
VW06
  • MEMBER
  • 1 POST
I checked it out and I had a CD stuck in the player once I removed it the problem went away. Thanks for the guide.
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Monday, April 9th, 2012 AT 3:24 AM
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
OK, at least you found the problem, Happy motoring, Mike
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Saturday, March 17th, 2018 AT 1:41 PM

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