2018 Audi Q5 Electrical system Problems

“I was about to get on the freeway when my car's electrical system failed and I got several warning lights. The braking/stop start system, lights and a few other lit up. I pulled off the road and had it towed. The dealership said water (rain) got in through my sunroof and shorted my system (warranty won't cover). There are several class action suits re. This issue already and Audi knows about it, but there's no recall and cars have stopped suddenly on the freeway. It's very dangerous.”

“I was driving 65 miles an hour on I-95 in the left lane approaching the exit for I-695 north on saturday, january 4th at 5:00pm. It was raining. No one was in front of me or behind me when my car dash lit up with an Audi pre sense red sign on a black background. The brakes stopped the car suddenly on their own and my seat belt slammed me tightly into my seat. Fortunately no one was behind me or this could have caused a multi car accident. There was nothing visible on the road to set this system off. …”

“Car suddenly tied while driving in city; engine/all systems shut off. It took several hours for roadside assistance to arrive, and the 1st 2 towing companies could not disengage the braking system to load onto truck! Once vehicle towed to Audi dealer, their diagnosis was gateway control module j533, water in control module, corrosion in connector, causing fuse for gateway control unit to blow we were told by dealer that liquid must have spilled into area behind rear seats . We have no young children, and nobody was recently sitting in rear seat. …”

“I've had several issues with my vehicle when backing up and the presence going off without a reason. When backing up on several occasions, the sensors will beep and bring the vehicle to grinding stop. When I check the area, there are no vehicles, person, or objects in the path of the vehicle. Recently, when driving on the highway, the pre sense went off when no vehicles were around and slowed the vehicle down at a rapid rate. Twice when driving, the pre sense will activate and bring the vehicle to a complete stop when there are no vehicles in front, behind, or beside me.”

“Navigation locks up, driver cockpit and dash screen shuts down when carplay is activated. At time the car doesn't recognize carplay. Additionally the volume control will only increase and not decrease volume. Sometimes it says speech recognition not recognized when adjusting volume. Has not resolved for the 10 months I have owned the car.”