A manual '05 has to be put into reverse at shutdown or you can return to a dead battery.
Help Battery.....
Thread Starter
Le Mans Master
Joined: Oct 2005
Posts: 5,040
Likes: 879
From: Tampa Florida
Help Battery.....
I appproached my car to morning to open up the door and it wouldn't open. Also there is no light flashing. What happened? I have an 05, maybe I didn't place it in reverse like you suppose to do.
Team Owner
Joined: Feb 2000
Posts: 53,498
Likes: 77
From: Arizona
If it WAS in reverse you might have had an episode of 'DBS', dead battery syndrome, which will drain your battery despite a proper shutdown. Have your battery and charging system checked, and have your dealer download you the BCM reflash software to prevent 'DBS'.
Melting Slicks
Joined: Dec 2004
Posts: 2,560
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From: La Quinta CA
Team Owner
Joined: Feb 2000
Posts: 53,498
Likes: 77
From: Arizona
Melting Slicks
Joined: Mar 2006
Posts: 2,255
Likes: 3
From: Sugar Hill Georgia
Check with your dealer to see if they'll do the BCM flash. I have an '06 A6 that would fail to start after 3 days. The BCM was replaced due to other electrical gremlins and now the car will start after sitting almost a week (that's the longest I can stand to let her sit). But if you left the car out of reverse, then you had a "normal" failure, not DBS.
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Racer
Joined: Jul 2004
Posts: 405
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From: Colorado Springs CO.
You read correctly, but the "reflash" - software update - had nothing to do with the update related to DBS (PIC4166A/B). It was for another reason and only suspended for a couple of days. GM had to reissue the instructions to dealers - nothing to do with the software.