2015 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated July 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2015 Audi A6 has 2 documented known issues. No issues are rated critical, indicating generally reliable ownership. DIY maintenance guides at au7o.io.
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5 Cabriolet, A5 Sedan and Audi Q5 vehicles, 2012-2015 Audi A6 vehicles and 2013-2016 Audi A4 Sedan and A4 allroad vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can either become blocked with debris from the cooling system causing it to overheat or can short-circuit from moisture within the pump.
ELECTRICAL SYSTEM:WIRING
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2015-2016 Audi A6 Sedans and 2015 Audi A7 vehicles. The auxiliary heater electrical connector on these vehicles may have been incorrectly inserted into the auxiliary heater, possibly resulting in increased electrical resistance.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S6 and S7, 2012-2018 A7 and A6 Sedan, and 2014-2018 RS7 vehicles equipped with basic seats (with or without heating). Stress or wear of the body-sensing mat within the front passenger seat may cause the Passenger Occupant Detection System (PODS) control module to malfunction.
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2014 Audi A6 and A7 vehicles. The fuel line has a compression point that can weaken, potentially resulting in a fuel leak.
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5, A5 Cabriolet and Q5 vehicles, 2013-2016 Audi Allroad and Audi A4 vehicles and 2012-2015 Audi A6 vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can be blocked with debris from the cooling system, resulting in the pump overheating.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2015 Audi A6 has 2 documented issues. The most frequently reported are: 2012-2015 A6 ABS/ESP Warning With Engine Will Not Switch Off, Brief Cold-Start Timing-Chain Rattle — C7 3.0 TFSI Upper Tensioners. None are rated critical, but regular maintenance is recommended.
The 2015 Audi A6 has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Audi TSB 2037761/1 covers a specific situation in which a 2012-2015 A6 shows ABS/ESP warnings and the engine does not switch off with a normal press of START ENGINE STOP. The ignition system uses the ABS control unit's vehicle-speed signal to determine whether the car is stationa… Severity: medium.
Audi TSB 2039995/2 covers 2011-2015 A6 models with the 3.0L TFSI engine when the customer hears a one-to-three-second timing-chain rattle during the first start of the day. Audi attributes this brief noise to the upper chain tensioners and states that this specific condition does… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
