2018 Mazda CX-3 Other or unknown Problems
- Complaints
- 1about this part
- Share
- 10%of 10 total for the year
- Median mileage
- 3,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the other or unknown of the 2018 Mazda CX-3, 10% of the 10 complaints for this model year. Where a mileage was given, the median is 3,500 miles.
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.
“While I was parking my car and braking the throttle opened wide and I jumped the curb. I reapplied the brakes hard and the car came to a stop after skidding 4 feet. (tire marks measured). I had the car towed to the dealer where they could find nothing wrong. In researching this problem it appears the electronic throttle system can at rare times have voltage problems that can cause this. My dealer could not replicate this but it has been done in a study by the korean national forensic service. …”
NHTSA complaint #11124027, filed 2018-09, 3,500 milesRelated 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…
- 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…
- 11021502Jul 14, 2025CSP13 - CUSTOMER SERVICE PROGRAM - MAZDA CONNECT INFOTAINMENT SYSTEM LIMITED WARRANTY EXTENSION As a result of a Mazda Connect Infotainment Class Action settlement, Mazda Motor…
Other or unknown: other model years
Other parts of the 2018 Mazda CX-3
2 complaintsElectrical system
2 complaintsEngine
2 complaintsBrakes
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsLane departure
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaintsWheels
1 complaints
← All problems reported for the 2018 Mazda CX-3
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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