2014 Audi S5 Engine Problems
- Complaints
- 2about this part
- Share
- 33%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 2 complaints about the engine of the 2014 Audi S5, 33% 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 milesRelated service bulletins
- 11034728Jun 10, 2026This bulletin provides informaiton when the engine is not running smoothly, misfiring.
- 11029367Feb 20, 2026This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
- 11028398Jan 14, 2026This bulletin provides information regarding UV leak additive for finding oil leaks.
- 11016532Mar 12, 2025This bulletin provides informatin when the engine does not run smoothly at idling speeds.
- 11012476Dec 5, 2024This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
- 11009928Oct 8, 2024This bulletin provides informatin when the engine does not run smoothly at idling speeds.
- 11009327Sep 24, 2024This bulletin provides information when ther is an Engine: start/stop system fault shown and start/stop system not is working; mileage below 50 km/32 miles.
Engine: other model years
Other parts of the 2014 Audi S5
2 complaintsTransmission and drivetrain
2 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsSteering
1 complaintsSuspension
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