2012 Mazda CX-9 service brakes problems
139 owner complaints filed with NHTSA name the service brakes on the 2012 Mazda CX-9 — 63% of all complaints for this model year.
What owners report
“I was driving normally when I started sowing down and noticed the brakes were harder to push. I finally stopped just before almost rear-ending a vehicle in front of me. It turns out the brake booster, a known problem that was not communicated to me a few years ago, failed and makes braking the…”
filed Sep 29, 2023
“On August 14, 2020, the brake booster along with the master cylinder failed, resulting in very dangerous and frightening driving conditions, and the parts were replaced with Mazda original parts. This was an ongoing issue with the Mazda CX-9’s. I reported it to the NHTSA, complaint number 11480067…”
filed Feb 20, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other CX-9 years
| Year | Reports | Share |
|---|---|---|
| 2021 CX-9 | 4 | 11% |
| 2020 CX-9 | 2 | 11% |
| 2019 CX-9 | 2 | 4% |
| 2018 CX-9 | 11 | 9% |
| 2016 CX-9 | 11 | 11% |
| 2015 CX-9 | 3 | 9% |
| 2014 CX-9 | 9 | 17% |
| 2013 CX-9 | 16 | 24% |
| 2011 CX-9 | 97 | 57% |
| 2010 CX-9 | 88 | 45% |
| 2009 CX-9 | 17 | 29% |
| 2008 CX-9 | 23 | 13% |
Other reported problem areas on the 2012 Mazda CX-9
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.