Unpublished costly catastropic electrical failure Audi of America reviewed the case and declined assistance solely because the vehicle was already totaled and unavailable for dealer inspection. Audi did not dispute the presence of water intrusion, the technical findings, or the cause of failure. This failure occurred without warning under ordinary environmental conditions and resulted in sudden …
2018 audi Q5 electrical problems
moderate 59 complaints filed with NHTSA · avg repair $850
What owners are reporting 5 most recent
For months the car has smelled musty. Last week the electrical lights went on and warnings to not drive the car. Water was discovered in the wheel wells and the computer system appears to have been damaged by a leaky sunroof. On the car fax report it was noted that at 14, 608 miles the vehicle had it's sunroof "replaced/ repaired" with a seal removed and repaired according to an invoice record fu…
2018 Audi Q5 (2.0, 40K miles, excellent condition) experienced severe electronic failure, due to sunroof drainage lines depositing water into the rear side wells where sensitive electronics are housed, impacting all tail-lights, wipers, sensors, internal dashboard sensors, etc., rendering the car highly unsafe and undrivable. The issue is a design and manufacturer defect that has allowed rainwat…
The Audi Q5 sunroof drain that is intended to keep water out of the vehicle, leaked where water collected and pooled in the car beneath the car liner. The water collected on the "comfort module" and electrical fuse box resulting in immediate electrical failure of several vehicle features/systems including brake lights, turn signals, reverse lights, windshield wipers, etc. to name a few. In additi…
The car was sitting in the driveway in the rain. I went out to get something out of it and the car was dead, but the back wiper was going, the rear lights were on and the driver side windows went down. I had it towed to the dealer and they told me water had gotten into the area in the back left wheel well where the comfort module is located. The dealer tried to say there was something wrong with t…
Common questions
How serious is the electrical problem on the 2018 audi Q5?
It's a documented issue but not catastrophic. 59 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.