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Electrical systemPart report

2015 Infiniti Q40 Electrical system Problems

Complaints
1about this part
Share
13%of 8 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the electrical system of the 2015 Infiniti Q40, 13% of the 8 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.

“A common issue found in the Infiniti Q40/G37 lineage, the sunroof drain became clogged leading to an influx of moisture underneath the flooring and within the panels of the right half of the vehicle. Due to the fault, electrical components such as the BCM and ECM were exposed to moisture, leading to numerous issues.”

NHTSA complaint #11654319, filed 2025-04

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2015113%

Other parts of the 2015 Infiniti Q40

Air bags
3 complaints
Other or unknown
3 complaints
Electronic stability control
1 complaints
Exterior lighting
1 complaints
Body and structure
1 complaints

← All problems reported for the 2015 Infiniti Q40

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