Skip to content
Engine coolingPart report

2015 Audi A4 Engine cooling Problems

Complaints
1about this part
Share
5%of 19 total for the year
Median mileage
141,177miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2015 Audi A4, 5% of the 19 complaints for this model year. Where a mileage was given, the median is 141,177 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.

“The contact owns a 2015 Audi A4. The contact stated that when the vehicle was started, the coolant warning light illuminated. The vehicle was turned off and restarted after 20 minutes, and the coolant warning light was no longer illuminated. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 141,177.”

NHTSA complaint #11703017, filed 2025-12, 141,177 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2022117%
201812%
201724%
201515%
201413%
201314%
2010914%
200954%
200842%
2007126%
200662%
200584%
20041810%
2003178%
20022815%
20013124%
20001111%
19992815%
19982811%
19971212%
199656%

Other parts of the 2015 Audi A4

Engine
10 complaints
Electrical system
3 complaints
Exterior lighting
2 complaints
Other or unknown
2 complaints
Air bags
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 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