2004 Mazda MAZDA6 Vehicle speed control Problems
- Complaints
- 7about this part
- Share
- 4%of 160 total for the year
- Median mileage
- 25,894miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the vehicle speed control of the 2004 Mazda MAZDA6, 4% of the 160 complaints for this model year. Where a mileage was given, the median is 25,894 miles. 1 a fire, 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.
“My battery on my 2004 Mazda 6 went out and I had to jump start it to.go to work and come from work one day. The next day I took my battery to get checked to see what the issue was and they told me my battery was completely dead and it had only 6 months of usage. …”
NHTSA complaint #10468794, filed 2012-08, 162,440 miles“I am the original owner of the vehicle, I complained of engine surge on several visits to Mazda, and they would always say they were unable to duplicate the problem. I was recently driving the vehicle when it accelerated on it's own, the RPM's would fluctuate between 2 and 4. The vehicle accelerated uncontrollably, I had difficulty stopping at stop signs and traffic lights on my way to my mechanic. When I reached his garage I left the vehicle in park to show him what it was doing and it idled at 3 rpms. The mechanic has not been able to repair the vehicle. …”
NHTSA complaint #10532150, filed 2013-07, 11,677 miles“I was originally misquoted in my complaint taken over the phone so I am writing this as a clarification of the event that occurred. I own a 2004 Mazda 6s. While entering a parking space at a speed no more than 10mph, the brakes disengaged for 2-3 secs while the brake was still being applied. I was certain that the car was going to jump the curb, which did not happen. The brakes re-engaged causing myself and my passenger to lunge forward violently. …”
NHTSA complaint #10093937, filed 2004-10, 5,100 miles“Car just unexpectedly down shifts from 4th to 3rd gear.. Transmission revs . Have to stop the car. Can not take interstate because it may cause a wreck.. Alternator light and check engine light comes on.. Have to turn the car off and restart the car to reset gears..”
NHTSA complaint #10585119, filed 2014-04, 136,000 miles“Repeated throttle body issues, car while driving will drop to a crawl with erratic revving. Did this in the middle of the express way, nearly causing an accident, had to be towed away. Will not start do to revving loop caused by throttle body. Multiple TSB have been issued for this problem, so it seems the throttle body issues plague many customers.”
NHTSA complaint #11161141, filed 2018-12Related 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
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 2% |
| 2016 | 7 | 9% |
| 2015 | 2 | 3% |
| 2014 | 9 | 7% |
| 2011 | 1 | 1% |
| 2010 | 1 | 0% |
| 2009 | 2 | 1% |
| 2007 | 2 | 1% |
| 2006 | 5 | 3% |
| 2005 | 7 | 5% |
| 2004 | 7 | 4% |
| 2003 | 18 | 10% |
| 2002 | 1 | 4% |
Other parts of the 2004 Mazda MAZDA6
55 complaintsTransmission and drivetrain
19 complaintsBody and structure
15 complaintsElectrical system
13 complaintsBrakes
11 complaintsEngine cooling
11 complaintsLatches, locks and linkages
10 complaintsEngine
7 complaintsExterior lighting
7 complaintsFuel system
6 complaintsOther or unknown
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaints
← All problems reported for the 2004 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