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Service bulletins for the 2019 Audi S4

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.

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

By type

By component

By trouble code

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
A3924572059129_52024-02-06. Service bulletin. STRUCTURE. This bulletin provides information regarding noises and/or vibrations in tight turns.
A4224552058459_22024-02-06. Service bulletin. STRUCTURE. This bulletin provides information when there are noises from the rear shock absorber mounting.
A6623042030471_72023-12-06. Service bulletin. STRUCTURE. This bulletin provides information for when the license plate mounting bracket threaded inserts are stripped.
A6623032060333_42023-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information for when the black optic trim is discolored.
AVIN4PIN202310012023-11-06. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING; SUSPENSION. 3.0L engine sound generator malfunctioning Air suspension warning - DTC P089200 charge handle doesn't release Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: Catalyst System, Bank1 Efficiency Below" Coolant leak from expansion tank Corrosion inside door module Fuel pressure low. DTC P008700 Leak from oil pan Low coolant warning in cluster, coolant level is correct Noise from belt tensioner damper Noise from front door trim panel while driving Vehicle will not charge
AVin4Pin202309012023-10-05. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Leak from oil pan USB Trim detached from center console 3.0L engine sound generator malfunctioning Valve cover leaking oil Fuel pressure low. DTC P008700 Check engine lamp, Belt Starter Generator DTC U046900 symptom 26950 "Check engine lamp on, DTC P042000: Catalyst System,Bank1 Efficiency Below"
AVin4PinAug232023-09-01. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT. 3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: Catalyst System,Bank1 Efficiency Below" Check engine lamp, Belt Starter Generator DTC U046900 symptom 26950 Fuel pressure low. DTC P008700 Leak from oil pan Low coolant warning in cluster, coolant level is correct MMI screen exhibits "ghost touches" randomly changing screen Noise from front door trim panel while driving USB Trim detached from center console Valve cover leaking oil
A7223492064695_32023-09-01. Service bulletin. STRUCTURE:BODY:DOOR:HANDLE:INTERIOR; STRUCTURE:BODY:DOOR:HANDLE:EXTERIOR. This bulletin provides information for an entry/exit assistance comfort concern.
A5523792070966_12023-09-01. Service bulletin. STRUCTURE:BODY:TRUNK LID. This bulletin provides instructions for disabling and reengaging the gesture controlled rear lid (virtual pedal).
A5523762062730_32023-07-10. Service bulletin. STRUCTURE:BODY:TRUNK LID; STRUCTURE. This bulletin provides information for when the luggage compartment lid cannot be closed using the button(s) in the luggage compartment trim.
A0023692031473_42023-06-06. Service bulletin. STRUCTURE; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information for when car wash bristles become stuck in the body gap between the headlight and fender.
A6423882047061_52023-04-06. Service bulletin. VISIBILITY:WINDSHIELD; STRUCTURE. This bulletin describes the process to clean sticker residue from the windshield.
A6623942049680_22023-02-07. Service bulletin. STRUCTURE. This bulletin provides instructions for when the exterior trim has spots.
A6623952060333_32023-02-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; STRUCTURE. This bulletin provides instructions when the black optic exterior trim is discolored.
A5123262068999_12023-02-07. Service bulletin. STRUCTURE. This bulletin provides instruction for when a customer advises that a visible line of corrosion is forming in the roof.
A5522702062669_22022-09-01. Service bulletin. STRUCTURE. This bulletin advises that noises from the trunk lid struts heard during operation are normal and no repair is required.
A6622862046229_32022-05-05. Service bulletin. STRUCTURE. This informational bulletin outlines proper warranty procedure for optical defects.
A7221372064695_12021-11-05. Service bulletin. STRUCTURE; SEATS. The informational bulletin explains the technical aspect of enter/exit assistance.
A9621712051239_22021-08-04. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contain instructions for addressing issues with the garage door remote and HomeLink.
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.
A0021472031473_32021-07-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again.
A5721762055916_32021-05-06. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This bulletin contains a software update for the DTC B14FF29 and the message "Child lock: malfunction!" appears in the instrument cluster.
A6621682046229_22021-02-04. Service bulletin. STRUCTURE. This informational bulletin outlines proper warranty procedure for optical defects.
A6620672060333_22020-11-05. Service bulletin. EQUIPMENT; STRUCTURE:BODY. This bulletin contains instructions for when the black optic trim is discolored.
A1520352053278_42020-11-05. Service bulletin. ENGINE; STRUCTURE:BODY. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.

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