2018 Mazda CX-3 Electrical system Problems
- Complaints
- 2about this part
- Share
- 20%of 10 total for the year
- Median mileage
- 12,970miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2018 Mazda CX-3, 20% of the 10 complaints for this model year. Where a mileage was given, the median is 12,970 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
- 11037899Sep 11, 2026DESCRIPTION If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS…
- 11034447Jun 19, 2026This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION If you encounter any type of electrical concern (e.g…
- 11032100Apr 4, 2026This Service Alert supersedes the previously issued SAs and bulletin(s) listed below: The changes are noted below in red. SA-010/23 02/09/23 DESCRIPTION Some customers may…
- 11028099Jan 13, 2026If the right-side Blind Spot Monitoring (BSM) control module is replaced for any reason, it is also necessary to replace the left-side BSM control module in order to complete the…
- 11026917Dec 17, 2025If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by…
- 11024999Oct 2, 2025For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all the dealers. The terminal test kit enables you: To check pin fit drag of…
- 11020035Jun 3, 2025The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use…
- 11015004Feb 4, 2025The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use…
- 11007029Aug 26, 2024For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all the dealers. The terminal test kit enables you: To check pin fit drag of…
- 11007019Aug 15, 2024If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by…
Electrical system: other model years
Other parts of the 2018 Mazda CX-3
2 complaintsEngine
2 complaintsBrakes
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsLane departure
1 complaintsOther or unknown
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 28, 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