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Service bulletins for the 2013 Audi A6

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1666 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
A191790 2047114-2019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains repair information for a malfunctioning V50 coolant recirculation pump that prevents the passenger side from heating properly with DTC B10D004 or B11D501.
Communication 192018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Communication Toolkit for Dealers
A011879 2033001-2018-10-15. Service bulletin. EQUIPMENT; ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A9118952018-09-24. Service bulletin. EQUIPMENT. This bulletin contains instructions for removing the HD radio feature if requested by the customer.
A911899 2051527-2018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This informational bulletin contains instructions for when the Sirius presets are missing with no DTCs.
A911800 2051527-2018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin contains instructions for when the Sirius presets are missing with no DTCs.
A911895 2026657-2018-09-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin contains instructions for removing the HD radio feature if requested by the customer.
ATU_Chassis_Janu2018-05-21. Service bulletin. PARKING BRAKE. EPB ?Driver absent application? function
A171893 2040644_2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides repair instructions on diagnosing and replacing a leak in the crankcase breather module.
A011862 2050329_2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This bulletin contains repair instructions for when the MIL is on and there are one of several DTCs stored in the ECM.
A011857 2042071_2018-05-21. Service bulletin. EQUIPMENT; ENGINE. This bulletin contains repair instructions for when the MIL is on and one of many DTCs is stored in relation to dylinder on demand function.
A201789 2043758-2018-04-16. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY. This bulletin instructs the reader to diagnose issues with fuel pressure and to replace the fuel delivery unit with the new kit if the correct DTC and symptom code combination is present.
A961720 20492842018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for an intermittent error message for traffic sign recognitions or the active lane assist, DTC B2F0400.
A911760 20404062018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin contains instructions on a repairing an issue when the GPS does not have the correct location or reception.
A911756 20395152018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin is hardware update for vehicles that can no longer receive 2G service from T Mobile
A171789 20406442018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This bulletin provides repair instructions on diagnosing and replacing a leak in the crankcase breather module.
A001702 20355052018-04-16. Service bulletin. EQUIPMENT. This repair authorization is for special VINs that are part of the Audi on Demand and Audi at Home program.
A971860 2036764_2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the vehicle will not start and DTC P068A00 is stored.
A911874 2039515_2018-04-16. Service bulletin. EQUIPMENT. This informational bulletin is hardware update for vehicles that can no longer receive 2G service from T Mobile.
A871885 2044717_2018-04-16. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; BACK OVER PREVENTION. This bulletin provides instructions on correcting a high-pitched buzzing noise in the cabin when the fan speed is no higher than 2.
A011852 2050329_2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the MIL is on and there are one of several DTCs stored in the ECM.
A961721 2048927-2018-04-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK. This informational bulletin contains instructions for minimizing the risk of an unintentional opening of the trunk lid with the remote.
A8717842044717-62018-04-16. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; BACK OVER PREVENTION. This bulletin provides instructions on correcting a high-pitched buzzing noise in the cabin when the fan speed is no higher than 2.
A241450 2038212-2018-04-16. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. The engine judders or runs erratically. The vehicle judders during acceleration. No event entry is stored in the engine control module (ECM). The air mass meter is suspected to be faulty. Possible incorrect function on the sensor elements of the air mass meter.
A011748 2040403-2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This technical service bulletin instructs the reader to replace either a combi valve or vacuum solenoid valve depending on the circumstances under which DTC P244000 and/or P244200 were stored.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.