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2003 Passat Electrical Problems
by jim97501
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Jul 19, 2006 (9:22 am)
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I bought this car in Aug02 and have put 55K miles on it. Great car though a little expensive to maintain. Here's the problem. A/C quit and I noted the auto climate control panel was blank. Started checking other things and found the following did not function: garage door opener on visor; cruise control (though dash indicator light is on); steering wheel controls for stereo system (dash control for stereo works fine). I checked fuses and all are fine. I have gone to my foreign car mechanic who does all my service and they have no clue. The VW dealer has no clue. There must be a common denominator here but no one can figure it out. HELP! Thanks!
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- #3 of 291
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Re: 2003 Passat Electrical Problems [jim97501]
by altair4
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Jul 19, 2006 (9:57 am)
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Replying to: jim97501 (Jul 19, 2006 9:22 am)
I know you said you checked the fuses, but check fuse #5 again (with an ohm-meter - not just a visual check). Much of the stuff that has died, if not all, is tied into fuse #5.
A short sometimes develops in the Homelink system (the garage door opener in the visor) and that blows the fuse, taking the other stuff with it.
If that fuse is verifiably okay, then I might suspect the CCM (comfort control module).
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- #4 of 291
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Re: 2003 Passat Electrical Problems [altair4]
by jim97501
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Jul 21, 2006 (1:59 pm)
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Replying to: altair4 (Jul 19, 2006 9:57 am)
THANKS! You were right...the fuse was not broken but tested poorly. I replaced it and everything works. Really appreciate the time you took to reply to my problem!
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- #5 of 291
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Re: 2003 Passat Electrical Problems [jim97501]
by altair4
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Jul 24, 2006 (5:30 am)
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Replying to: jim97501 (Jul 21, 2006 1:59 pm)
Glad I could help! I would still suspect that the fuse blew because of the homelink. Keep that in mind if it becomes a repetitive issue.
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- #6 of 291
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Re: 2003 Passat Electrical Problems [altair4]
by passatgirl
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Aug 08, 2006 (4:51 pm)
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Replying to: altair4 (Jul 24, 2006 5:30 am)
Thank you Altair4 and Jim97501. I just had this very problem this morning with the AC, homelink and steering wheel controls. Thanks to you guys I will have airconditioning on my drive home (I'm in Las Vegas, it reached 105 today, my car has been sitting in the hot sun all day long. I really can't express how valuable your info is!) Darn that fuse #5.
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- #7 of 291
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Re: 2003 Passat Electrical Problems [altair4]
by vw27278
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Aug 10, 2006 (5:13 am)
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Replying to: altair4 (Jul 19, 2006 9:57 am)
I've been hard pressed to find a solution to my problem and it looks like you may have found it. A month ago, my homelink stopped working, all the controls (including horn) stopped functioning on my sterring wheel, including the backlighting on the controls. I'll check fuse # 5 tonight and post a follow-up.
Thanks!
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- #8 of 291
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Re: 2003 Passat Electrical Problems [altair4]
by vw27278
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Aug 10, 2006 (9:04 am)
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Replying to: altair4 (Jul 19, 2006 9:57 am)
Ok, I replaced the fuse #5 but kept my eye on it while turning on the ignition and poof, it blew again. Changed it to a 15 amp fuse w/ the same problem. Does it sound like the CCM, or should I just unhook the homelink and try again?
Any responses are greatly appreciated.
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- #9 of 291
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Re: 2003 Passat Electrical Problems [vw27278]
by altair4
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Aug 10, 2006 (9:36 am)
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Replying to: vw27278 (Aug 10, 2006 9:04 am)
Before I messed with the CCM (pulling the carpet, etc), I would disconnect the Homelink and see what happens.
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- #10 of 291
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Re: 2003 Passat Electrical Problems [altair4]
by vw27278
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Aug 15, 2006 (9:12 am)
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Replying to: altair4 (Aug 10, 2006 9:36 am)
I had it in the shop yesterday and it was the homelink transmitter that was shorting out and blowing fuse # 5. So it ended up costing me $180 to have it disconnected. the cost was $800.00 to have a new part installed, so I passed. Go figure. And yes, avoid getting the homelink option.
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- #11 of 291
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Re: 2003 Passat Electrical Problems [vw27278]
by altair4
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Aug 15, 2006 (10:07 am)
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Replying to: vw27278 (Aug 15, 2006 9:12 am)
While I'm glad you got a definitive answer, I'm sorry it cost so much to disconnect the Homelink. Do you how they did it?
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