Car Problem Reports

Volkswagen Passat Water From Clogged Sun Roof Drains May Damage Control Modules

 
Volkswagen Passat Problem
41 Reports
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Model Years Affected: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Average Mileage: 102,658 mi (21,000 mi - 209,600 mi)

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Clogged sunroof drains can allow water to enter the interior and accumulate under the carpet where various control modules are mounted. Over time, the accumulated moisture can damage the control modules.

  • Visitor, , 100,000 mi

    My module malfunctions. Drain under car battery clogged and flooded module located on the driver's side floor. One by one things have stopped working...windows, power sunroof, gas door latch, remote start, heated/power mirrors, vw key malfunctions etc. I think VW should recall and fix the problem. POOR DESIGN...WHAT WERE THEY THINKING !!!!! I found where I can get a new one online...cost about $300.00.

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  •  Rookie

    also had the inside of my passat flooded...found drivers side rear drain hose for sunroof kinked between some metal section in the fender opened that but still getting small amounts of water when it rains real hard.... replaced trans. control module under drivers side carpetand got the car to start and run but still need to find the comfort module and replace it so i can get my windows to work....if anyone can help me with that...i would appreciate any info anyone can give me...

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  • Had this occur 5 yrs back. Entire computer ($5K repair bill)system "flooded". Shocked to learn as have car regularly cleaned; luckily covered under insurance policy. Furious that VW tried to blame me. Filed complaint on-line with NHTSA.

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  • Visitor, , 125,000 mi

    TCI transmission controll module destroyed by massive water leaks, Water leaking in the passenger side soaking the contents of the glove box collecting in the rear floor pan. It will be the sunroof drains clogged or a drain under the battery or both. The tci is $1400 farfagnugen you !!!!

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  • Visitor, , 119,000 mi

    The car will not start -after heavy rain - clogged drains in sunroof cause leakage to inside of car to control module,

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  • ruin my cpu

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  • Window left open and rain got into control module, just replaced the box, now there's a wire that prevents from starting without jump

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  • Visitor, , 145,000 mi

    same problem no solution yet

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  • Visitor, , 40,000 mi

    Leaked to the passenger side module and car ran like crap. I got that fixed, sort of. The transmission still shifts rough. The driver's side module got wet about 6 mos. later and I lost interior lights, central locking sys., etc. which I have not fixed because to cost is prohibitive. The car is only worth 4k. I can not believe this car was designed by German engineers. My dog could have done better....

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  • Water leaks from my roof top down the left side of my dcar.

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