2018 Mazda MAZDA6 Other or unknown Problems
- Complaints
- 10about this part
- Share
- 17%of 58 total for the year
- Median mileage
- 18,799miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the other or unknown of the 2018 Mazda MAZDA6, 17% of the 58 complaints for this model year. Where a mileage was given, the median is 18,799 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.
“I was driving on a street and my check engine light, tcs/dsc light, sbs/scbs light, mrcc light, and warning light appeared on my dashboard. My car then started putting or jerky. It felt as my car was very weak as if it was going to give out. This is the third time these same malfunctions appeared. Each time it occurred I took my car to the Mazda dealership. The first time they did not find a problem because the warning light had already turned off. The second time(september 5), they gave me a new battery and new computer software. It is now at the dealership again. …”
NHTSA complaint #11374972, filed 2020-11, 26,198 miles“Software error/loss of engine power. No warning of this before it happens. The car completely loses power, and stalls or stops in the middle of me driving. This has happened on the freeway and risked my life as well as my husbands, and children. This same issue has been a previous recall and fixed in 2019 for my car, and now it is happening again.”
NHTSA complaint #11636672, filed 2025-01“Coolant leaks at the cylinder head around the exhaust manifold causing my car to over heat. Also when my thermostat is set to the exact temperature for both sides my driver side blows cold and the passenger side blows hot”
NHTSA complaint #11634788, filed 2025-01“My car has stalled out on me 6 times in traffic and wouldn’t restart for hours. I took it to the Mazda dealership and they told me nothing was wrong but it continues to happen. I need something done as soon as possible”
NHTSA complaint #11616978, filed 2024-09“I took my car in for scheduled maintenance and the technicians at the Mazda dealer found out the tensioner and belt needed to be replaced, when the car is less than 36k in miles. Vehicles being repaired under warranty but a tensioner should not be going out this early in the lifespan of a 2 year old car. I have found a lot of people are complaining for the same issue. This can cause the cars to not run as there’s no notice ahead of time that the belt and tensioner are bad. I do have paper work stating tensioner problems. …”
NHTSA complaint #11423596, filed 2021-07Related service bulletins
- 11032104Apr 30, 2026DESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label. To obtain a replacement VIN plate (bulkhead-mounted and visible…
- 11032103Apr 21, 2026This 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…
- 11030598Mar 4, 2026Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: Engine takes longer to warm up. Engine…
- 11028133Jan 26, 2026There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method • B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit…
- 11028127Jan 5, 2026Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.
- 11026904Dec 10, 2025A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the…
- 11023703Sep 30, 2025Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the Multi-information display OR display a system status notice with no…
- 11023702Sep 30, 2025Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the conditions of use, the antistatic components may…
- 11022742Aug 22, 2025Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's…
- 11022728Aug 15, 2025When replacing the MAZDA CONNECT tuner and amp unit (TAU) with a replacement tuner for any reason, a call must be made to inform SiriusXM of the existing Radio ID and the…
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 2 | 12% |
| 2019 | 2 | 33% |
| 2018 | 10 | 17% |
| 2017 | 24 | 40% |
| 2016 | 11 | 14% |
| 2015 | 1 | 2% |
| 2014 | 17 | 12% |
| 2013 | 4 | 17% |
| 2012 | 20 | 20% |
| 2011 | 22 | 16% |
| 2010 | 33 | 15% |
| 2009 | 59 | 15% |
| 2008 | 2 | 2% |
| 2007 | 3 | 2% |
| 2006 | 2 | 1% |
| 2005 | 6 | 4% |
| 2004 | 5 | 3% |
| 2003 | 4 | 2% |
| 2002 | 3 | 11% |
Other parts of the 2018 Mazda MAZDA6
32 complaintsTransmission and drivetrain
9 complaintsFuel system
7 complaintsBrakes
4 complaintsElectrical system
4 complaintsSuspension
3 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsWheels
2 complaintsBack-over prevention (rear camera)
1 complaintsEquipment
1 complaintsSeat belts
1 complaints
← All problems reported for the 2018 Mazda MAZDA6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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