Water From Clogged Sun Roof Drains May Damage Control Modules on Audi A4 Quattro

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.

RepairPal Verified
Average mileage: 90,333 (48,000–113,000)
9 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004, 2006, 2009
12 people reported this problem
1 person shared problem details
Not fixed. Water accumulating in the rear passenger floor board.
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