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Electrical systemPart report

2014 Audi S5 Electrical system Problems

Complaints
1about this part
Share
17%of 6 total for the year
Median mileage
70,662miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the electrical system of the 2014 Audi S5, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 70,662 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 2014 Audi S5. The contact stated that after starting the vehicle, there was a Control Area Network (CAN) bus system unit TCM error, power brake, and engine failure. The TPMS warning light was illuminated. The dealer was contacted and was unable to determine the cause of the failure. However, the dealer wanted to replace the CAN bus unit. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 70,662.”

NHTSA complaint #11756778, filed 2026-08, 70,662 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2025545%
20201456%
2019117%
201828%
2014117%
2012110%

Other parts of the 2014 Audi S5

Engine
2 complaints
Fuel system
2 complaints
Transmission and drivetrain
2 complaints
Other or unknown
1 complaints
Steering
1 complaints
Suspension
1 complaints

← All problems reported for the 2014 Audi S5

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