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Electrical systemPart report

2017 Mazda CX-9 Electrical system Problems

Complaints
2about this part
Share
3%of 61 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2017 Mazda CX-9, 3% of the 61 complaints for this model year.

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.

“My vehicle has several issues related to a water pump failure in which the check engine light did not remain on. The vehicle began to over heat and slow down on the highway/ roads despite having my foot on the gas. My vehicle is now at Heritage Mazda Catonsville and unable to be read by the OBD reader which may be related to a weak wiring harness reported by other owners of the CX9. It also my be why my check engine light is not on despite having an engine issue. …”

NHTSA complaint #11509961, filed 2023-03

“The first sign of an issue was an oil pressure indicator on the dashboard, but upon inspection, the oil levels seemed completely normal. The dashboard light went away shortly after that. A day later, I was on my lunch break and parked my car in a garage for 45 minutes. On the drive there, I did not notice any issues and was able to operate the vehicle fine for the short distance that I drove. When I returned to my parked car, there was a large puddle of oil underneath. I immediately had a mechanic take a look at the car. …”

NHTSA complaint #11492830, filed 2022-11

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
202318%
2022218%
202125%
2020421%
2019713%
20181512%
201723%
20161413%
201513%
201424%
201311%
201252%
201164%
201063%
2008138%
200767%

Other parts of the 2017 Mazda CX-9

Engine
43 complaints
Other or unknown
9 complaints
Fuel system
6 complaints
Suspension
4 complaints
Transmission and drivetrain
4 complaints
Forward collision avoidance
2 complaints
Steering
2 complaints
Wheels
2 complaints
Back-over prevention (rear camera)
1 complaints
Seats
1 complaints
Body and structure
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2017 Mazda CX-9

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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