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.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.

4.8

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
22,105 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.

2005 Mazda MAZDA6 transmission problems

transmission problem

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2005 Mazda MAZDA6 Owner Comments

problem #11

Nov 022010

MAZDA6 6-cyl

  • Automatic transmission
  • 58,000 miles

A D V E R T I S E M E N T S

2005 Mazda 6S 3 liter V6 with automatic transmission (aisin warner). Application of throttle to accelerate in 5th or 6th gear causes jerk, selects neutral then eventually selects an appropriate gear. Very dangerous on uphill freeways due to sudden loss of any power. Mazda has a service bulletin on this # 05-016/06 that proves this condition is not isolated.

- Pacifica, CA, USA

problem #10

Jul 302009

MAZDA6 6-cyl

  • Automatic transmission
  • 38,000 miles
The vehicle is equipped with an automatic transmission. When the vehicle was parked for over 8 hours outdoors in direct sunlight, the vehicle would not shift out of park. Failure occurs only on extremely hot days - temperatures over 95 degrees and only when all the windows & sunroof were completely closed. Vehicle was allowed to sit with the engine running and air conditioner on high for roughly 15-20 minutes. When interior temperature of car lowered, the car was able to shift out of park. The problem replicated sporadically but on at least 10 different occasions over the course of 2 years. The vehicle was brought to dealership on numerous occasions where they were unable to replicate the problem. During one service visit a mechanic cleaned the microswitch responsible for the shift interlock. That did not remediate the problem.

- Morris Plains, NJ, USA

problem #9

May 022010

MAZDA6

  • 25,800 miles
: I have a 2005 Mazda 6 wagon bought new off the dealer's lot. 4 years later, in Sept. 2009 with 22K miles on it, I was coming off a curving exit ramp when I stepped on the gas to merge into traffic and nothing happened - no pickup - I just started coasting. This happened a few times before in the previous years (maybe 4-5 times), but those times it felt more like a belt slipping and it "caught" again very quickly, like in a split second. The ramp experience was more pronounced and lasted longer, like a full 2 seconds, which was more scary and potentially more hazardous. Turned out the tcm (transmission computer module) had to be replaced. It would have cost $1400+ but luckily I bought an extended warranty when I bought the car so it covered that cost. Its happening again, so I have to take it in to the dealer when I can to get it checked again. Not a good feeling when your trying to merge into traffic and you expect the car to move when you hit the gas, and it moves just enough to get the nose of the car into the lane of travel, then stops dead while cars are bearing down on you. Extremely scary. Hoping this is not a continual recurring event. Update: Took the car to the dealer the first week of April and again today, first week of may (the 3rd) 2010 for the exact same problem mentioned above- while driving car just slows down, no power. Step on the gas, nothing. Then it kicks in and hesitantly moves. This is the 3rd or 4th time taken to the dealer for the same problem with the transmission. Getting ticked off about it now.....

- Amherst, NY, USA

problem #8

Feb 102010

MAZDA6

  • 30,000 miles

A D V E R T I S E M E N T S

The Mazda 6 jerks when shifting from 1st gear to second. Did this a couple times while in traffic almost causing an accident. It feels like the car is hesitant to shift and then shifts and jerks you forward when there are possibly other cars in front and you need to stop. I brought the car in multiple times to the dealer and they "could not replicate the problem".

- West Springfield, MA, USA

problem #7

Jan 282010

MAZDA6

  • Automatic transmission
  • 20,000 miles
Automatic transmission failure in 4th gear on 2005 Mazda 6. we bought the car new and 2years later the transmission started slipping in 4th gear. I complained to the dealer and they said they found nothing. The third year it became pronounced and still they said they found nothing. I found out last year that Mazda knew about the problem in the transmissions and never contacted us about a replacement transmission. I went to the dealership when I found out late last year and I was told that they could no do anything about it as the car was over the mileage. I strongly feel that Mazda knew the transmissions were defective and never notified owners. We are the only registered owners of the vehicle and it is an accident waiting to happen because once the vehicle gets in the 4th gear it vibrates and shakes the whole car violently.

- Brooklyn, MD, USA

problem #6

Sep 062009

MAZDA6

  • 22,800 miles
I have a 2005 Mazda 6 wagon bought new off the dealers lot. 4 years later, in Sept. 2009 with 22K miles on it, I was coming off a curving exit ramp when I stepped on the gas to merge into traffic and nothing happened - no pickup - it was like I just started coasting. This happened a few times before in the previous years (maybe 4-5 times), but those times it felt more like a belt slipping and it "caught" again very quickly, like in a split second. The ramp experience was more pronounced and lasted longer, like a full 2 seconds, which was more scary and potentially more hazardous. Turned out the tcm (transmission computer module) had to be replaced. It would have cost $1400+ but luckily I bought an extended warranty when I bought the car so it covered that cost. It's happening again, so I have to take it in to the dealer when I can to get it checked again. Not a good feeling when you're trying to merge into traffic and you expect the car to move when you hit the gas, and it moves just enough to get the nose of the car into the lane of travel, then stops dead while cars are bearing down on you. Extremely scary. Hoping this is not a continual recurring event.

- Amherst, NY, USA

problem #5

Apr 252007

MAZDA6 6-cyl

  • Automatic transmission
  • 19,000 miles

A D V E R T I S E M E N T S

Leased 2005 Mazda 6 in July 2005. September 2005: Took in for service for check engine light. Dealership replaced a purge canister valve. While driving vehicle after repairs were made, I heard a high-pitched whirring noise from the engine and returned the vehicle to the dealership for service. Tech determined noise was coming from transmission. Trans. Was replaced two times; noise did not go away. Tech then determined it was the fuel pump. That was replaced but noise remained. Tech then suspected the fuel lines were vibrating, added a clip to prevent rubbing and noise disappeared. That took 28 days. Day after vehicle left dealership, fuel tank leaked fuel upon starting the vehicle. Dealership determined that a cap had not been tightened. Cap was tightened and car was returned but smelled awful. Dealership shampooed interior. June 2006: While driving, tachometer suddenly bounced and vehicle did not respond to accelerator being pressed. After turning car off and restarting it, car worked fine, but was taken to dealership. Tech replaced throttle body. April 2007: Vehicle stalled while waiting at traffic light. Attempts to restart failed. Vehicle was towed to dealership. Tech determined that a fuel pump fuse had become disconnected. Fuse was replaced. One week later, fuel tank leaked upon starting the vehicle. Vehicle was towed to dealership again. Fuel pump assembly had to be replaced. I do not have vehicle back yet.

- Clawson, MI, USA

problem #4

Jul 012006

MAZDA6

  • miles
2006 Mazda6 grand touring hesitated when accelerating and de-accelerating. The gears also became stuck. The vehicle has been taken to the dealer multiple times for air conditioning/heater problems., radio/cd and condensation on the inside of the windshield.

- Folsom, CA, USA

problem #3

Jun 132006

MAZDA6

  • 15,655 miles
2005 grand touring gets stuck in gear while driving. The vehicle became stuck in gear three time while driving on the freeway. The consumer took her foot off the accelerator yet the vehicle continued to move at 60 mph. The consumer pressed the brake pedal but the vehicle continued at 60 mph. The consumer put the car in manual 6 speed and the vehicle bucked then worked normally. As soon as the vehicle was put back into automatic mode the gears became stuck. The vehicle was taken to the dealer but they were unable to duplicate the problem. The consumer noticed condensation on the inside bottom of the windshield. The check engine light illuminated due to failed throttle body. The radio experienced problems. The left rear wheel was bent and caused vibration while driving.

- Folsom, CA, USA

problem #2

Mar 312006

MAZDA6 6-cyl

  • Automatic transmission
  • 10,900 miles
After a modest acceleration to pull into traffic, I had to stop suddenly due to a light and the car began to rev up to 1500 and back down over and over. I had to pull over immediately where it continued to rev and die down, regardless if I was in a gear or park. It is an automatic. I turned off the car and restarted, the problem went away but the engine light remained on for two days. I plan on taking to the dealer. It is only 7 months old, I bought it new.

- San Antonio, TX, USA

problem #1

Jul 012005

MAZDA6 4-cyl

  • Automatic transmission
  • 3,000 miles
Consumer says he is having problem with transmission. Transmission will drop gears on its own, consumer just had vehicle at dealer for transmission slippage and harsh shifting. Consumer said that dealer did a software calibration on the transmission control module. Consumer says now when he is traveling on highway and consumer tries to accelerate transmission will drop from 4th gear to 3rd gear by itself and this makes acceleration very difficult. While driving vehicle in city consumer says that transmission will drop from 4th to 2nd while trying to accelerate. Consumer notices which gear by the indicator light located on dash. Consumer says that slippage and harsh shifting is now corrected, but he is having problem with transmission dropping gears. Consumer says he has an email that he somehow come into position of, this email is from Ford and says that there is a problem with this transmission in other vehicles as well as same type as consumer. Consumer says that this problem began yesterday morning and dropped gears like this about 30 times in 24 hours. Consumer says that the malfunction took part mostly yesterday and this morning in South field, mi. Consumer says that he drove as much in the city as he did on the highway yesterday and this morning.

- Beverly Hills, MI, USA

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