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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
A961934 204892722019-04-01. Service bulletin. ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK; STRUCTURE:BODY:TRUNK LID. This informational bulletin contains instructions for minimizing the risk of an unintentional opening of the trunk lid with the remote.
A911944 204250662019-04-01. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; VEHICLE SPEED CONTROL:CRUISE CONTROL. This technical service bulletin explains how to determine the status of activation keys (that affect the function of Audi drive select, cruise control, navigation, Bluetooth, smartphone interface and voice recognition), and how to update them.
A571954 202203282019-04-01. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. This technical service bulletin provides troubleshooting information for the vehicle locking system.
A401890 20482662019-02-25. Service bulletin. SUSPENSION:FRONT:CONTROL ARM; STRUCTURE. This bulletin contains repair instructions for a rumbling/creaking noises from the front of the vehicle.
A011891 2053040-2019-02-19. Service bulletin. ENGINE. This information bulletin contains isntructions for when the MIL on and DTC P050A00 is stored.
A001814 2045316-2019-02-19. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information about the Start/Stop system.
Tire Pressure Ta2019-02-19. Service bulletin. EQUIPMENT. New Document
Scheduled Mainte2019-02-19. Service bulletin. EQUIPMENT. Added Oil Capacity Chart at the end of the document.
Scheduled Mainte2019-02-19. Service bulletin. EQUIPMENT. Under Additional Maintenance Items Section: Converted kilometers to miles for all items.
Scheduled Mainte2019-02-19. Service bulletin. EQUIPMENT. Changed format of Service Intervals Table Minor Maintenance Section: Added "Multi-Point Inspection - Completed" to checklist items. Created table for "Additional Maintenance Items"
A911748 2042506-2019-02-19. Service bulletin. EQUIPMENT. This technical service bulletin explains how to determine the status of activation keys (that affect the function of Audi drive select, cruise control, navigation, Bluetooth, smartphone interface and voice recognition), and how to update them .
A511711 2009967-2019-02-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for vehicle inspection, protection removal, and detailing.
A401775 2048266-2019-02-19. Service bulletin. STRUCTURE. This bulletin contains repair instructions for a rumbling/creaking noises from the front of the vehicle.
A401884 2048266-2018-12-10. Service bulletin. SUSPENSION:FRONT; SUSPENSION:REAR. This bulletin contains repair instructions for a rumbling/creaking noises from the front of the vehicle.
A201805 2043333-2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin contains instructions for contacting TAC when the MIL is on and DTC P045100 is stored.
A911811 2045106-2018-11-26. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin provides instructions on how to properly replace a coaxial connection if it is damaged.
A901899 2051735-2018-11-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. This bulletin contains a software update for when the trip recorder, short-term, and long-term memory in the on-board computer will intermittently reset.
SM 107-20182018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The part numbers listed in the document are to be returned if they meet the criteria provided
Communication 192018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Communication Toolkit for Dealers
A911804 2045020-2018-10-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL. This technical service bulletin provides troubleshooting information for an issue that causes the night vision system to not function.
A901893 2051735-2018-10-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin contains a software update for when the trip recorder, short-term, and long-term memory in the on-board computer will intermittently reset.
A401883 2048266-2018-10-15. Service bulletin. EQUIPMENT; SUSPENSION:FRONT:CONTROL ARM:LOWER ARM; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains repair instructions for a rumbling/creaking noises from the front of the vehicle.
Service Informat2018-09-24. Service bulletin. EQUIPMENT. Page 2 Disclosure information changed
A9118972018-09-24. Service bulletin. EQUIPMENT. This bulletin contains instructions for when the customer loses audio for the radio after ending an incoming phone call.
SM 91-20182018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL. The part numbers listed in the document are to be returned if they meet the criteria provided.

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