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Audi
Allroad Quattro
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Water From Clogged Sun Roof Drains May Damage Control Modules on Audi Allroad Quattro

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 83,850 (55,100–118,000)
6 model years affected: 2001, 2002, 2003, 2004, more2005, 2013
10 people reported this problem
Comments
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leaking water from drain plenums most likely cause of Transmission Control Module failure. Car sat at dealer for 2 months while they waited for authorization from Audi USA to repair it without charge. They never told me it was from water damage, because of the drain plenums clogging. will look up mileage when this occurred