Skip to content
Engine coolingPart report

2021 Audi Q7 Engine cooling Problems

Complaints
1about this part
Share
1%of 75 total for the year
Median mileage
60,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2021 Audi Q7, 1% of the 75 complaints for this model year. Where a mileage was given, the median is 60,000 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 2021 Audi Q7. The contact stated that while driving approximately 50 - 55 MPH, the Check Engine light had illuminated. The vehicle was taken to the dealer, who diagnosed code PO299, which referred to coolant migration into the vacuum system. The contact was unable to provide the exact parts that were needed for repairs. The vehicle was not repaired. The manufacturer was informed of the failure. The manufacturer opened a case regarding the issue. The failure mileage was approximately 60,000.”

NHTSA complaint #11738957, filed 2026-05, 60,000 miles

Engine cooling: other model years

YearComplaintsShare of year
202215%
202111%
202027%
201912%
201811%
201710%
201412%
200915%
200766%

Other parts of the 2021 Audi Q7

Electrical system
44 complaints
Engine
19 complaints
Other or unknown
11 complaints
Forward collision avoidance
7 complaints
Back-over prevention (rear camera)
6 complaints
Brakes
6 complaints
Lane departure
5 complaints
Steering
5 complaints
Fuel system
4 complaints
Vehicle speed control
4 complaints
Seat belts
2 complaints
Tires
2 complaints

← All problems reported for the 2021 Audi Q7

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