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Service bulletins for the 2018 Audi RS 5

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.

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

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Bulletins, newest first
Circ_91CDREV12022-02-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EQUIPMENT:ELECTRICAL. AT&T has announced its plan to discontinue its 3G network in the U.S. starting in February 2022. This will impact the Audi connect services in certain 2017-2019 model year Audi vehicles. Updated instructions for activating Motion for Audi Connect services
Circular 91CD2022-02-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL. AT&T has announced its plan to discontinue its 3G network in the U.S. starting in February 2022. This will impact the Audi connect services in certain 2017-2019 model year Audi vehicles.
DC_3Gturndown2022-02-04. Service bulletin. COMMUNICATION; ELECTRICAL SYSTEM; EQUIPMENT. Communication: 3G Turndown – motion for Audi connect to launch next week
Dealer 91CD2022-02-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; COMMUNICATION. AT&T has announced its plan to discontinue its 3G network in the U.S. starting in February 2022. This will impact the Audi connect services in certain 2017-2019 model year Audi vehicles.
A5122232061754_32022-02-04. Service bulletin. STRUCTURE:BODY. This bulletin contains instructions for addressing water ingress that accumulates in the floor area.
A5521652062730_22022-01-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin explains why the compartment lid cannot be closed using the buttons on the key sometimes.
A4021312024318_12022-01-05. Service bulletin. WHEELS. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing(s).
A4021302023187_62022-01-05. Service bulletin. STEERING. This information bulletin provides an explanation for squeaking noises heard when the steering wheel is turned or maneuvered.
A0021552011732122022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates.
A4421842065160_12021-12-07. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; TIRES:TEMPORARY/EMERGENCY SPARE TIRE. This informational bulletin explains how the temporary/collapsible spare wheel inflates.
DC 202109282021-10-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Communication - Vehicle Sales Reporting, Reinstatement, and Audit Policy Update - Effective September 30, 2021
A9121342018187_12021-10-05. Service bulletin. EQUIPMENT. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker.
A4221462038689_52021-08-04. Service bulletin. EQUIPMENT; SUSPENSION:REAR. This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps.
A1921222046712_32021-08-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
A0021482021205_62021-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc.
A9421392063739_12021-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBS. This information bulletin explains how the daylights turn on and off.
A4821022061904_32021-07-02. Service bulletin. STEERING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
A9121042024323_82021-06-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
A9121992055026_62021-06-03. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This bulletin contains a software update for when the rearview/overhead view camera and the optical parking aid are sporadically not switched on when moving into reverse
A9121982055591_52021-06-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for when the MMI screens go blank and the system reboots, it may have stored DTC U10CF00 and/or B13B901.
A9121972053918_42021-06-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that correct when the Google Map setting is lost.
A6421802020552_12021-06-03. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This bulletin provides instructions on how to clean exterior glass.
A4821002061904_22021-06-03. Service bulletin. STEERING:STEERING CONTROL MODULE. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
A4421822056386_52021-06-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
2018 Audi Pre-De2021-05-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 2018 Audi Pre-Delivery Inspection

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