2025 Audi Q5 electrical system problems
19 owner complaints filed with NHTSA name the electrical system on the 2025 Audi Q5 — 45% of all complaints for this model year.
What owners report
“Brake Electronics Control Unit Failure (DTC U041800): Logged active diagnostic code U041800 (implausible signal in address 812C). Dealership records confirm no permanent remedy exists, with software patches delayed into Q3 2026, leaving active braking and electronic system faults unaddressed…”
filed Sep 12, 2026
“On XXX at approximately 5:00 PM, my 2025 Audi Q5 (VIN: [XXX]) initiated an unprovoked forward collision warning and emergency braking intervention while I was traveling at approximately 57–58 mph on [XXX]. Road conditions were clear and dry. Weather was sunny. Adaptive Cruise Control was not…”
filed Jul 31, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides information for new Key User pairing for all PPX vehicles with Audi connect.
TSB_2083135_1 · Service Bulletin/Repair Instructions · issued Aug 28, 2026This bulletin provides information when the digital key cannot be adapted.
TSB_2078794_3 · Service Bulletin/Repair Instructions · issued Aug 28, 2026This bulletin provides infomriaont when there are various faults, and no DoIO diagnosis.
TSB_2083124_1 · Service Bulletin/Repair Instructions · issued Aug 27, 2026This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_2 · Service Bulletin/Repair Instructions · issued Aug 27, 2026This bulletin provides information when Digital Key activation cannot be completed with Audi connect.
TSB_2077331_6 · Service Bulletin/Repair Instructions · issued Aug 27, 2026
Electrical System problems in other Q5 years
| Year | Reports | Share |
|---|---|---|
| 2024 Q5 | 2 | 10% |
| 2023 Q5 | 10 | 23% |
| 2022 Q5 | 7 | 32% |
| 2021 Q5 | 26 | 37% |
| 2020 Q5 | 8 | 32% |
| 2019 Q5 | 12 | 23% |
| 2018 Q5 | 71 | 35% |
| 2017 Q5 | 4 | 10% |
| 2016 Q5 | 10 | 13% |
| 2015 Q5 | 4 | 4% |
| 2014 Q5 | 9 | 9% |
| 2013 Q5 | 9 | 10% |
Other reported problem areas on the 2025 Audi Q5
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.