Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

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really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
100 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2012 Mazda MAZDA3 transmission problems

transmission problem

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2012 Mazda MAZDA3 Owner Comments

problem #1

Aug 072012

MAZDA3 4-cyl

  • 100 miles


Approximately two or three times a week when downshifting out of a right or left hand curve or turn, my 2012 manual transmission Mazda 3 hatchback will accelerate on its own. This is characterized by a varying increase of rpms: 2100 rpms to 4500 rpms, depending on the incident, and a sudden lurching or surging forward of the vehicle itself. When approaching curves or turns, at 30 or 40 mph, that do not have to be taken at a complete stop, I engage the clutch, apply the brakes, and slow the vehicle to 15-20 mph. Upon coming out of the turn I shift the vehicle into second gear. When I slowly release the clutch, without depressing the gas pedal at all, the car's engine will rev, rpms will surge to as high as 4000 - 4500, and the car will lurch forward until the clutch is once again depressed. These incidents are random and are not dependent on speed, weather conditions, or location. These incidents have only been duplicated with a minimal increase of rpms and no lurching forward when a mechanic is present. These incidents can not be duplicated for the dealership at their fullest and most dangerous.

- Winter Garden, FL, USA

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