2003 Mazda MAZDA6 power train problems
36 owner complaints filed with NHTSA name the power train on the 2003 Mazda MAZDA6 — 21% of all complaints for this model year.
What owners report
“After two years of driving this car the clutch pedal assembly completely broke puncturing through the fire wall and brake reservoir, luckily I was starting the vehicle in a hospital parking lot when I pushed the clutch in it went completely to the floor and did not come back up. It was completely…”
filed Oct 15, 2019
“2003 mazda 6. Consumer writes in regards to vehicle would not start after being parked for several hours. Discovered pcm needed to be replaced. *smd the consumer was informed mazda stopped manufacturing the pcm for vehicles manufactured in 2003 and therefore, it had to special ordered. It took…”
filed Feb 8, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
Power Train problems in other MAZDA6 years
| Year | Reports | Share |
|---|---|---|
| 2018 MAZDA6 | 9 | 16% |
| 2017 MAZDA6 | 3 | 5% |
| 2016 MAZDA6 | 10 | 13% |
| 2015 MAZDA6 | 8 | 13% |
| 2014 MAZDA6 | 19 | 14% |
| 2013 MAZDA6 | 1 | 5% |
| 2011 MAZDA6 | 3 | 2% |
| 2010 MAZDA6 | 5 | 2% |
| 2009 MAZDA6 | 7 | 2% |
| 2008 MAZDA6 | 9 | 8% |
| 2007 MAZDA6 | 17 | 11% |
| 2006 MAZDA6 | 20 | 12% |
Other reported problem areas on the 2003 Mazda MAZDA6
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.