2025 Audi A5 Electrical System Problems

The MMI infotainment head unit reboots spontaneously and repeatedly while the vehicle is in operation. The screen freezes, goes black, and restarts, reliably within 7-8 minutes of completing the previous boot. This repeats continuously for the duration of any drive. I have verified this is not related to a connected phone. I tested with three different phones on three different operating systems, and with no phone connected and powered off entirely. The reboot cycle occurs identically in all cases, whenever the vehicle is running. The critical safety failure: if the vehicle is placed in reverse near the time of a reboot, the crash disables all Parking Assist functions. The rear backup camera becomes fully inoperable while the vehicle is actively backing up, and the side cameras are sometimes lost as well. The Parking Assist system, including the backup camera, remains offline until the vehicle is shut off and left sitting for 15 to 30 minutes. There is no warning before this occurs. This means the federally mandated rear visibility system can and does fail without warning during the exact maneuver it exists to make safe. I have video documenting the backup camera being disabled while reversing. The vehicle has been to the dealer for these concerns. A software update was performed per Audi TSB on 3/27/2026 (RO 356075) and did not resolve the issue. The vehicle was diagnosed again 7/1/2026 through 7/9/2026 (RO 361320) and the dealer was unable to duplicate the concerns at that time. The reboot behavior has since become continuous and reproducible.

The contact owns a 2025 Audi A5 Sportback. The contact stated that while his wife was driving at an undisclosed, the vehicle was stopped, and then the vehicle stalled. The contact stated that there was a vehicle malfunction message displayed on the instrument panel. The contact pulled over to side of the road and the vehicle was restarted and driven to the residence. The vehicle was then towed to a dealer to be diagnosed. The contact was informed that an unknown software update was needed. The vehicle was not repaired because the software update was not available. The manufacturer was notified of the failure. The failure mileage was 2,705.

13 Jun 25 2100 hrs - Auto went thru multiple of errors and transmission would not go into gear, electric door locks released all emergency pull handles and car was not able to move. Called Audi Emergency Service. Tried to get out of vehicle and door could not be opened from inside the vehicle. I had friend come and get me out of vehicle by me pushing on the inside and her pulling the emergency pull. DANGEROUS! Emergency Service could not come to tow vehicle for three days because of being on an Air Force base and no tow companies that Audi contracted with had a realID or a clean criminal record. 16 June, Audi finally finds company to tow vehicle, at that point vehicle had completely died and could not be jump started. Car towed to Audi Service. Car in service for three weeks and I was told it was just a bad battery. I took vehicle with doubts of repair and for the next four months car would pop multiple software errors specifically on driver assist, no sound, dash going completely blank while driving, etc. The next major electrical failure was on 17 Nov, once again car would not start nor could it be jump started by tow company. Car once again towed to Audi on the same day. Car in service until 23 Dec and Audi said it was related to TSB 2079690/4 and they have stated that the KD2 should resolve electrical issue with driver door module constantly running and killing car. One day later, already popping driver assist errors. This car is dangerous and Audi knows that this KD2 is a band-aid on a software system that is unreliable and still has no permanent fix. I fear being stranded on a highway and either being stuck in my vehicle and can't get out or not being able to get in car if I get out to try and open hood to check vehicle, I might not be able to get back in because of electric locks.