Audi Q3 Seat Massage Controls Dead, Switch Malfunction

Had the same issue with my 2017 Audi Q5. The automotive seats massage function failed completely, showing similar error codes. The seat motor connections were the root cause, specifically the wiring harness under the massage chair had developed a fault. The repair involved accessing the seat base to check all connections. A broken wire in the main plug was identified where it connects to the seat control module. The constant movement of the seat mechanisms had caused wire fatigue over time. This turned out to be quite serious since access required removing the entire seat. The repair included replacing the complete wire harness and testing all massage setting functions. The seat switch itself was fine, the problem was purely in the wiring. The entire repair process took about 4 hours at the workshop. While labor-intensive, no major components needed replacement beyond the wiring harness. Testing confirmed all massage functions worked properly after the repair. Worth checking if your warranty still covers this type of fault. Important to get it checked soon as faulty wiring can affect other seat functions over time.

Thanks for sharing those details. Had the exact same massage seat problem with my Q3 last winter. The wiring diagnosis and repair fixed everything but my warranty had just expired so I had to pay out of pocket. Can you remember roughly what the final bill came to for your repair? Also curious if the car upholstery needed any extra work during reassembly. Mine has been working perfectly since the fix but want to compare experiences. The seat switch and all massage functions are back to normal but wondering if anyone else had issues crop up later.

Since having the electrical issue fixed on my Q5, all the massage functions have worked flawlessly. The total repair cost came to 95 Euro, which covered fixing a faulty cable connection in the massage seat system. The car upholstery remained completely intact during the repair, the technician was able to access the wiring through existing service points without any damage to the seat material. The seat switch and massage settings have performed perfectly for several months now with no recurring problems. It was definitely worth getting it professionally diagnosed and repaired rather than attempting any DIY solutions that could have damaged the delicate wiring further. The repair turned out to be much simpler than initially expected, just requiring attention to the plug connections rather than a full wire harness replacement. This explains the reasonable repair cost compared to what was initially quoted.

I finally took my Q3 to the repair shop last week after getting some great advice here. The luxury car electrical issue turned out to be exactly what others described, a wiring problem affecting the massage setting functionality. The mechanic found a damaged connection in the seat motor wiring harness, likely from normal seat movement over time. Getting to the switch failure location was tricky but theyaged without damaging any upholstery. Total repair time was around 3 hours. Final bill came to 280 Euro including parts and labor. Bit steep since my warranty had expired, but still better than needing a full seat replacement. The massage functions are now working perfectly again with no issues. For anyone else facing similar problems, getting it checked early is key. The mechanic mentioned these electrical issues tend to worsen if left unaddressed. At least now I know what to watch for if it happens again.