2019 Mazda MAZDA3 Electrical system Problems
- Complaints
- 11about this part
- Share
- 15%of 74 total for the year
- Median mileage
- 4,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the electrical system of the 2019 Mazda MAZDA3, 15% of the 74 complaints for this model year. Where a mileage was given, the median is 4,000 miles. 1 recall campaign on record is filed under a similar system.
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.
“The smart brake system is malfunctioning. The car slams on its brakes for no reason. No vehicle is ahead of me. I have been driving at highway speeds when this occurs and I haven't been rear ended yet. It's happened numerous times before and after I completed the recall. The condition is worse when it's raining. The car has been at the dealership for over 30 days unable to repair.”
NHTSA complaint #11364488, filed 2020-10, 400 miles“My car suddenly made a big clunk noise and I was warned of a power steering malfunction. I have also been warned multiple times that due to a malfunction the 'safety systems have been disabled', another issue in having is a headlight malfunction. When the headlight malfunction occurs the digital speedometer gets very dark and I am unable to tell how fast I am going. There is no way to turn the brightness up to see the speedometer again until the error code goes away. …”
NHTSA complaint #11241916, filed 2019-08, 5,000 miles“Radar cruise control malfunction and safety systems malfunction frequently. Safety systems completely disable without warning periodically while driving. Radar cruise control doesn't work randomly. Mazda dealership can't replicate the issue. Other 2019 Mazda 3 owners have the exact issue and no recall or fix has been issued.”
NHTSA complaint #11326172, filed 2020-05, 5,000 miles“The entire vehicle safety system malfunctions at random times while driving, most recently on the highway. The dashboard illuminates stating safety and driver support systems partially disabled, drive safely . I lose blind spot monitoring, lane keep assistance, radar, and city brake support, among other things. This has happened several times over the past 2 weeks.”
NHTSA complaint #11229042, filed 2019-07, 1,300 miles“Vehicle slowed to 20mph and a warning message 'engine malfunction, toke to dealer''. Pulled off the freeway for a few minutes, restarted the engine and the message no longer appeared. ( the nearest dealer is 75 miles away) I am in flagstaff at this time.”
NHTSA complaint #11349622, filed 2020-08, 4,000 milesRelated recalls
- 19V363000May 14, 2019Mazda North American Operations (Mazda) is recalling certain 2019 Mazda3 vehicles. Due to incorrect programing, the passenger air bag deactivation indicator…Covers: Mazda MAZDA3 2019
Related service bulletins
- 11037900Sep 17, 2026Mazda Connected Services - Frequently Asked Questions (FAQ) This Service Alert supersedes the previously issued SAs listed below. The changes are noted in Red text.
- 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…
- 11037634Sep 10, 2026This Service Alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-038/26 08/18/26 and 06/15/26 DESCRIPTION Some customers may…
- 11037018Sep 4, 2026This Service Alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-038/26 06/15/26 DESCRIPTION Some customers may complain…
- 11037012Aug 20, 2026This Service Alert supersedes the previously issued Service Alerts listed below: The changes are noted in Red. Infotainment Reboot With Navigation Card Installed This Service…
- 11037019Aug 19, 2026This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red text. SA-039/26 06/15/26 Mazda Connect Symptom Troubleshooting DESCRIPTION…
- 11037011Aug 19, 2026This Service Alert supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. SA-006/23 01/23/23 DESCRIPTION Some customers may complain about…
- 11035595Jul 8, 2026DESCRIPTION Some customers may complain that the electric power steering warning light illuminates after engine start and DTC U2011:1C is stored. Zinc-plated whisker may form…
- 11034448Jul 1, 2026This Service Alert supersedes the previously issued SAs listed below. The changes are noted in Red text. SA-017/25 12/16/25, 09/08/25, 07/14/25, 05/15/25 and 03/21/25 DESCRIPTION…
- 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…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 5 | 42% |
| 2023 | 3 | 25% |
| 2022 | 5 | 21% |
| 2021 | 7 | 13% |
| 2020 | 3 | 9% |
| 2019 | 11 | 15% |
| 2018 | 30 | 27% |
| 2017 | 20 | 24% |
| 2016 | 22 | 21% |
| 2015 | 24 | 18% |
| 2014 | 27 | 20% |
| 2013 | 32 | 27% |
| 2012 | 25 | 11% |
| 2011 | 15 | 11% |
| 2010 | 50 | 7% |
| 2009 | 5 | 4% |
| 2008 | 17 | 6% |
| 2007 | 19 | 9% |
| 2006 | 21 | 13% |
| 2005 | 17 | 18% |
| 2004 | 8 | 6% |
Other parts of the 2019 Mazda MAZDA3
15 complaintsOther or unknown
15 complaintsEngine
11 complaintsTransmission and drivetrain
11 complaintsForward collision avoidance
9 complaintsFuel system
8 complaintsVisibility (wipers, defrost, mirrors)
8 complaintsAir bags
6 complaintsBody and structure
5 complaintsSeat belts
3 complaintsSteering
3 complaintsElectronic stability control
2 complaints
← All problems reported for the 2019 Mazda MAZDA3
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