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Other or unknownPart report

2015 Audi A4 Other or unknown Problems

Complaints
2about this part
Share
11%of 19 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 other or unknown of the 2015 Audi A4, 11% of the 19 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.

“The second (not movable) glass pane of the panoramic sunroof spontaneously shattered. That happened three days ago, because of the potential for water damage I need to have this repaired as soon as possible. However, until I get it repaired it is available for inspection. Apparently many Audi owners have experienced a similar phenomenon, commonly called exploding sunroof , and other people have had the glass completely explode out. I did not have that happen but the glass did shatter entirely and completely. There was no rock or anything else that hit the sunroof as far as we know. …”

NHTSA complaint #11486356, filed 2022-09

“MMI system worked during test drive and then NOT worked after final sale: Safety systems included: The Multi Media Interface (MMI) system is an in-car user interface media system developed by Audi, and was launched at the 2001 Frankfurt Motor Show. MMI operates a large number of in car entertainment components, car electronics, and other functions. The list below indicates systems controllable by MMI. However, depending on the car model, along with version specified, only some functions will be available. …”

NHTSA complaint #11511420, filed 2023-03

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2023110%
2022350%
2021327%
20206047%
2019330%
20181840%
20171018%
201619%
2015211%
201426%
2013313%
201012%
200976%
200821%
200784%
200672%
200531%
200463%
200321%
200242%
200143%
200022%
199921%
199821%
199722%
199667%

Other parts of the 2015 Audi A4

Engine
10 complaints
Electrical system
3 complaints
Exterior lighting
2 complaints
Air bags
1 complaints
Engine cooling
1 complaints
Forward collision avoidance
1 complaints
Fuel system
1 complaints
Body and structure
1 complaints
Transmission and drivetrain
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2015 Audi A4

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