2018 Audi Q5 service brakes problems
21 owner complaints filed with NHTSA name the service brakes on the 2018 Audi Q5 — 11% of all complaints for this model year.
What owners report
“I wrote Audi to request escalation of an unresolved issue involving my 2018 Audi Q5, related to Safety Recall 90S9 (NHTSA Campaign 21V947000) for the gateway control module. Summary of the issue: My vehicle recently experienced a complete gateway control module failure due to water intrusion. I…”
filed Jul 16, 2026
“The dashboard displayed a solid red brake light with a flashing warning “stop vehicle safely” light. A professional diagnostic scan confirmed a permanent hard fault on the ABS control Module (J104) and Hydraulic Unit (N55). The vehicle has only 66,755 miles. Independent repair shops cannot service…”
filed Jun 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Brake master cylinder casting may be too shortCampaign 19V277000 · Apr 8, 2019
- Brake caliper pistons on these vehicles may have insufficient coating, potentially…Campaign 18V369000 · Jun 1, 2018
Service Brakes problems in other Q5 years
| Year | Reports | Share |
|---|---|---|
| 2025 Q5 | 8 | 20% |
| 2024 Q5 | 5 | 26% |
| 2023 Q5 | 4 | 10% |
| 2021 Q5 | 4 | 6% |
| 2020 Q5 | 2 | 9% |
| 2019 Q5 | 6 | 12% |
| 2017 Q5 | 4 | 10% |
| 2016 Q5 | 4 | 5% |
| 2015 Q5 | 3 | 3% |
| 2014 Q5 | 4 | 4% |
| 2013 Q5 | 5 | 6% |
| 2012 Q5 | 3 | 2% |
Other reported problem areas on the 2018 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.