I am reporting two incidents of engine revving that occurred without my foot on the accelerator. In the first incident (sep 2015), I started the car in the driveway. After a couple seconds, the engine started revving really fast even though my foot was on the brake, not on the accelerator. I remained in park and turned off the ignition. After re-starting the car, everything behaved normally.…
2008 Mazda CX-9 cruise control problems
moderate 3 complaints filed with NHTSA · avg repair $600 · see cruise control across all vehicles →
When does it fail?
Of the 3 cruise control complaints filed for the 2008 Mazda CX-9, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA cruise control complaint has been filed on this vehicle in over 10 years — the issue may be aging out of the active population.
What owners are reporting 1 most recent
Common questions
How serious is the cruise control problem on the 2008 Mazda CX-9?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $600 and most owners catch it before it causes a breakdown.
At what mileage does the cruise control typically fail?
Based on the 3 complaints filed, cruise control issues most often appear around 71,350 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $600 for cruise control repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to cruise control?
No active recalls currently cover cruise control issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.