2011 Mazda CX-9 Vehicle speed control Problems
- Complaints
- 4about this part
- Share
- 2%of 171 total for the year
- Median mileage
- 69,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the vehicle speed control of the 2011 Mazda CX-9, 2% of the 171 complaints for this model year. Where a mileage was given, the median is 69,000 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Car surges unexpectedly even when gas pedal not engaged - can cause a rushed forward or reverse motion, putting pedestrians or other cars at risk. This happens daily. Problem was identified by dealership several months ago. There is a related oil leak.”
NHTSA complaint #11093569, filed 2018-05, 69,000 miles“I took my car to hall in brookfield wi to fix a recall issue. The dealer told me they fixed the recall issue but noticed another problem that requires the replacement of the differential bushings because they were torn. They charged me over $500 for this issue and I believe the issue was exasperated by the recall issue and I am not sure why I had to pay. I honestly believe it was a way for the dealer to charge me for the recall work because it was supposed to be free. I am attaching receipts for the work hall did to this complaint. …”
NHTSA complaint #10884039, filed 2016-07“The contact owns a 2011 Mazda CX-9. The contact stated that while attempting to park the vehicle at a slow speed in the driveway, the vehicle suddenly experienced unintended acceleration, lurched forward, and crashed into a tree before coming to a stop. The contact was unable to stop the vehicle during the sudden unintended acceleration. During the failure the vehicle sustained front end damages, but no air bags had deployed. No injuries were reported. The cause of the failure was not yet determined. …”
NHTSA complaint #11677734, filed 2025-08, 173,000 miles“The contact owns a 2011 Mazda CX-9. The contact stated that while stopped at a stop light, the accelerator pedal was depressed but the vehicle failed to accelerate as the warning indicators flashed and the engine stalled without warning. The vehicle was taken to a dealer where it was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 66,727. Updated 06/15/16 the consumer stated she accelerated from a stop light, as she turned the corner. She then realized, she could not brake, or steer the vehicle. …”
NHTSA complaint #10810700, filed 2015-12, 66,727 milesRelated service bulletins
- 10186703Jan 21, 2021In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer
- 10148072Oct 10, 2018In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by…
- 10144333Aug 31, 2018In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by…
Vehicle speed control: other model years
Other parts of the 2011 Mazda CX-9
99 complaintsTransmission and drivetrain
25 complaintsAir bags
22 complaintsEngine
15 complaintsSuspension
8 complaintsElectrical system
6 complaintsOther or unknown
6 complaintsElectronic stability control
4 complaintsSteering
4 complaintsExterior lighting
3 complaintsWheels
3 complaintsSeat belts
2 complaints
← All problems reported for the 2011 Mazda CX-9
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology