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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

Bulletins, newest first
A1719982028440_42019-09-09. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. This informational bulletin explains when the range display is empty in the on-board computer. Also A3 Cabriolet 2015-2021, A3 Sportback 2016-2018, 2005 A4 Cabriolet , 2005-2009 S4 Cabriolet, 2010-2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 S6, 2005 and 2006 A7, 2005-2011 and 2021 S7 2005-2006 and 2021 S8, 2019-2021 E-Tron Quattro
A6019322055443_12019-08-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for claiming Panoramic sunroofs. 2017-2022 A3, A3 Cabriolet, S3, A4, S4, A4 allroad, A5, A5 Cabriolet, S5, S5 Cabriolet, A5 Sportback, S5 Sportback, RS5, A6, S6, RS6, Q3, Q5, SQ5, Q7, and Audi e-tron quattro, 2017-2018 A3 e-tron, A7, A8, S7, S8, and RS8. 2019-2022 Q8
19TechReferncDoc2019-08-07. Service bulletin. EQUIPMENT. A3, A4, A5, Q5, Q7, and TT and TTRS: Vehicle Preparation Section: ADDED: "Set adaption channel to enable CD Ripping using Guided Functions (if equipped with NAV) Set adaptation channel (via Special functions > Service work > 5F-Activating/deactivating storage of music). Also referred to as CD Ripping. Perform 3 button reset of the MMI to complete the activation. Refer to the owner's manual for model-specific button sequence"
19A4S4ALRDTECREP2019-08-07. Service bulletin. EQUIPMENT. Vehicle Preparation Section: ADDED: "Set adaption channel to enable CD Ripping using Guided Functions (if equipped with NAV)"
A4819782053869_22019-06-06. Service bulletin. STEERING. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. This document applies to every 2016-2019 Audi Model.
A0119162054893_12019-06-05. Service bulletin. ENGINE. This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request. This bulletin also applies to the S5 Sportback.
19A4S4ALRDTECREP2019-05-06. Service bulletin. VISIBILITY:WINDSHIELD; SEATS; EQUIPMENT. Vehicle Preparation Section: ADDED: "Verify Audi Phone Box Customer Registration form is present in car and fill out 'Serial Number'field. Check Elsa 'Vehicle Information' Section or location sticker on car. See TSB 2051720 Lighting and Windshield Section: REMOVED: "(and headlight washers if equipped)" from "Test Front Windsheld Washers" Interior Section: REMOVED: "(if applicable)" from Verify SOS button ADDED: "Verify operation of heated rear seats (if equipped)" CHANGED: Made ventilated seats its own checklist item
19A4S4ALRDCUSDEL2019-05-06. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. Owner's Documents Section: REMOVED: "Provide Audi Phone Box Customer Registration Notice (if equipped)" Infotainment Section: ADDED: "Review Audi Phone Box Customer Form and ensure Serial Number is listed"
19TechReferncDoc2019-05-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. A4: Lighting and Windshield Section: REMOVED A5: Lighting and Windshield Section: CHANGED: "Test front washers (and headlight washers if equipped - RS 5 only)" A6: On-Hoist Inspection Section: ADDED: "Remove locking elements on front axle suspension struts (For vehicles with sport suspension 1BE) Push all five locking elements on each suspension strut off piston rod. Refer to Elsa for full procedure" A7: On-Hoist Inspection Section: ADDED: "Remove locking elements on front axle suspension struts (For vehicles with sport suspension 1BE) Push all five locking elements on each suspension strut off piston rod. Refer to Elsa for full procedure" Q5: Lighting and Windshield Section: REMOVED Interior Section: ADDED: "(if equipped)" to "Check panoramic sunroof and sunshade operation" This document also applies to 2019 A8L and 2019 TTRS
2019-201902182019-04-15. Service bulletin. ELECTRICAL SYSTEM. e-tron Settings: Added: "Home > Settings > General > Measurement Units > Consumption (electric motor) to mi/kWh, and check to ensure all other units are set to US specs"
2019-201902082019-04-15. Service bulletin. EQUIPMENT. TT/TTS/TT RS: Removed all Audi connect references
A911936 2053916-2019-04-15. Service bulletin. EQUIPMENT. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen.
A151933 2053278-2019-04-15. Service bulletin. ENGINE; EQUIPMENT. 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.
2019-201902182019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. e-tron Settings: Added: "Home > Settings > General > Measurement Units > Consumption (electric motor) to mi/kWh, and check to ensure all other units are set to US specs"
2019-201902082019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TT/TTS/TT RS: Removed all Audi connect references
Audi MY 2019 2012019-04-08. Service bulletin. EQUIPMENT. e-tron added
2019 A4-S4-allro2019-04-08. Service bulletin. EQUIPMENT. REMINDERS SECTION: ADDED "certified" to Audi Technician POST ROAD TEST SECTION: ADDED: "30 Day" to Inventory Maintenance Sticker
Audi MY 2019 2012019-04-08. Service bulletin. TIRES. ADDED to footnote (b at the end of the chart: "If vehicle has a top speed of 174 mph, it has the Dynamic Plus Package which can be identified by PR Code PAB"
2019 A4-S4-allro2019-04-08. Service bulletin. EQUIPMENT. Select Owner Priorities section: All items replaced. Infotainment Section: REMOVED: Audi music interfacce with two USB ports. Sign-off Section: CHANGED: "Second Delivery" to "New Vehicle Orientation"
A461903 20341812019-04-08. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise.
A441969 20225632019-04-08. Service bulletin. STEERING. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
A001915 20478122019-04-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions for setting up and using the SD creator program.
PDITechRep2019A42019-04-02. Service bulletin. EQUIPMENT. VEHICLE PREPARATION SECTION: REMOVED: "Run Total PDI Test, Deactivate Flight Mode for Telematics Control Unit, Set adaption channel to enable CD Ripping using Guided Functions, & Set service reminder" ADDED: "Perform diagnostic work"
2019-201902182019-04-01. Service bulletin. EQUIPMENT. e-tron Settings: Added: "Home > Settings > General > Measurement Units > Consumption (electric motor) to mi/kWh, and check to ensure all other units are set to US specs"
2019-201902082019-04-01. Service bulletin. EQUIPMENT. TT/TTS/TT RS: Removed all Audi connect references

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