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Service bulletins for the 2017 Audi A4

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.

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

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By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
A9120122050569_22020-10-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. This bulletin contains a software update for when the Audi smartphone menu cannot be selected even though music is playing with MIB2 High Scale.
A9120112037809_72020-10-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin contains instructions about updating the navigation map.
A9120102060331_12020-10-06. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions for a workaround and creating a PSS due to the MMI freezing during a phone call.
A9120092060568_12020-10-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. This bulletin contains a software update that addresses mutiple concerns (CarPlay display blank, Andriod Auto screen not filled, MMI reboots, Subwoofer setting missing, etc.).
A9120082060567_12020-10-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. This bulletin contains a software update that addresses mutiple concerns (CarPlay display blank, Andriod Auto screen not filled, MMI reboots, Subwoofer setting missing, etc.).
A9120072046294_52020-10-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This bulletin contains a software update to correct an issue when trying to use Apple Carplay.
A9120032050567_22020-09-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update for the subwoofer adjustment that is missing in the MMI for vehicles equipped with Bang & Olufsen.
A9020652032113_42020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This information bulletin contains a background on the outside air temperature reading.
A0120832060429_12020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM.
A0120782045673_52020-09-03. Service bulletin. ENGINE; EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides instructions regarding an SVM update needed when a DTC is stored in the engine control module.
A0120772045673_42020-09-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE. This bulletin provides instructions regarding an SVM update needed when a DTC is stored in the engine control module.
A9120942045106_62020-09-03. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin provides instructions on how to properly replace a coaxial connection if it is damaged.
2010-2021EngOil2020-09-03. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
Audi Part Labels2020-09-03. Service bulletin. EQUIPMENT. Recall Reminder Part Labels
A9120892047576_42020-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin contains software instructions for vehicles with MIB2 with Navigation plus.
A3920342060169_12020-08-06. Service bulletin. EQUIPMENT; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. This bulletin contains instructions for when DTC U101300 is logged with sports differential warning lamps or messages.
A9120822046294_42020-08-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update to correct an issue when trying to use Apple Carplay.
A9120812052251_42020-07-07. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains software update instructions for when the audio is distorted from door speakers or subwoofer.
A9120782057052_32020-07-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains instructions for when the MMI shows the message 'Read error occurred when accessing the navigation data' after initialization and reboots constantly with DTC B126CF0 and/or B126CF1.
A9020522059863_12020-07-07. Service bulletin. EQUIPMENT. This informational bulletin contains instructions for when the message "Audi pre sense currently restricted. See owners manual" is displayed in the instrument cluster without DTCs.
A9120762042506102020-07-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. 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.
A9120722037809_62020-07-07. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions about updating the navigation map.
A0020382039206_32020-07-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin contains instructions on how to use the QR code in a TSB.
A9120702044694_22020-06-04. Service bulletin. EQUIPMENT. This technical service bulletin provides troubleshooting for issues with the navigation map database.
A9120652036576_62020-06-04. Service bulletin. EQUIPMENT. This informational bulletin contains instructions for when a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user searches for a contact name in the MMI address book (by using the MMI control knob or the voice recognition system): *The MMI screen goes blank then restarts. *The MMI screen freezes for a few minutes then recovers.

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