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Transmission and drivetrainPart report

2009 Mazda MAZDA6 Transmission and drivetrain Problems

Complaints
7about this part
Share
2%of 386 total for the year
Median mileage
105,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the transmission and drivetrain of the 2009 Mazda MAZDA6, 2% of the 386 complaints for this model year. Where a mileage was given, the median is 105,000 miles.

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.

“I bought this car 2009 from mechanic 2 weeks ago I run for 100miles for to and from work only.after suddenly at light came so I went to check nearest auto parts stores with code reader for diagnostic & he said there might be a transmission problems. After I am ablt to start engine but car won't drive in d mode but r can work with jerk and horse power go up to 5000 up. So I am going to see with hayes Mazda in kalamazoo. Therefore, please take a serious action or investigation into this matter”

NHTSA complaint #11315967, filed 2020-03, 187,746 miles

“I purchased a 2009 MAZDA6 on 3/26/2009. Four days after the purchase the new vehicle was in the shop to replace the automatic transmission. The automatic transmission casting had a small weep hole in it which was causing a leak. Dealer had to replace the automatic transmission. For the first 4 weeks I owned the car it was in the garage for 3 weeks.”

NHTSA complaint #10265543, filed 2009-04, 440 miles

“Engine overheated while driving in a straight line in traffic at low speed with temperature in the 80's. The engine block cracked as a result. The engine and the complete cooling fan assembly had to be replaced. The engine temperature had risen high on several occasions before this, while idling, driving at low speeds, and driving at moderate and highway speeds, temperatures ranging from 50's to 90's. When the overheating occurred the air conditioning also failed to function properly. I had complained to the dealership about this issue and they claimed it was a fuse. …”

NHTSA complaint #11327013, filed 2020-06, 115,000 miles

“Vehicle will not crank with transmission in park, must be shifted to neutral. This is a safety concern as the vehicle may move unintentionally while starting in neutral. When the shifter is placed in park, the transmission is mechanically in park and the vehicle does not roll. The dashboard shifter position indicator does not highlight p though when in park, and thus the vehicle does not crank. To start the vehicle, I have to have foot on the brake, press start/stop, move shifter to neutral, then press start/stop button to crank engine. …”

NHTSA complaint #10943815, filed 2017-01, 105,000 miles

“Tl * the contact owns a 2009 Mazda 6. The contact stated that while driving at unknown speeds, the vehicle accelerated and decelerated intermittently. The contact mentioned that the automatic transmission warning light illuminated. The vehicle was taken to a dealer. The technician was unable to diagnose the failure. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was not available and the current mileage was 31,000.”

NHTSA complaint #10604517, filed 2014-06

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2018915%
201735%
20161114%
2015813%
20141914%
201314%
201132%
201052%
200972%
200898%
20071711%
20062012%
20051913%
20041912%
20033621%
20021243%

Other parts of the 2009 Mazda MAZDA6

Body and structure
123 complaints
Suspension
76 complaints
Air bags
75 complaints
Other or unknown
59 complaints
Steering
36 complaints
Electrical system
32 complaints
Visibility (wipers, defrost, mirrors)
17 complaints
Wheels
16 complaints
Exterior lighting
15 complaints
Tires
14 complaints
Engine
11 complaints
Fuel system
11 complaints

← All problems reported for the 2009 Mazda MAZDA6

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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