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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 trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
A3920322051558_32020-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.
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.
A4320372059665_12020-07-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SUSPENSION. This bulletin contains a software update that corrects the control module configuration and addresses a warning light.
A0020382039206_32020-07-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin contains instructions on how to use the QR code in a TSB.
A9120692059383_22020-06-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for various technical MMI issues.
A9020492047730_22020-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains repair instructions for Customer may report that the Top view camera does not load. Only the visual parking aid overlays on the right half of the screen and DTC U104C00 is logged.
A9020482048517_32020-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains a software update for when only the park aid lines are displayed.
A4320362059645_12020-06-04. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that address a warning light for the suspension appearing in the instrument cluster.
TT 91 18 062020-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Apple car play function.
A9120642059385_12020-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for various technical concerns with the MMI.
A9120632059383_12020-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for various technical MMI issues.
A9020452059335_12020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information on noises from the instrument cluster installation area.
A9020442032113_32020-05-07. Service bulletin. ELECTRICAL SYSTEM. This information bulletin contains a background on the outside air temperature reading.
A9120572055591_12020-05-07. 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.
A9420202017806132020-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information regarding when the message 'Vehicle lights: malfunction' appears with DTC 03280, 01800, or B126AF0.
A3920272051558_22020-04-02. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.
A3920262048671_42020-04-02. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains instructions for when DTC U030000 appears and 'All Wheel Drive Malfunction Message' is displayed in the instrument cluster.
A3420462058928_12020-04-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This bulletin contains instructions for recalibrating the gear sensor when the 'P' displays begin to flicker on the selector display and in the instrument cluster display.
A0120502058890_12020-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for replacing a part or performing a software update for DTC P000000.
17AUUSMaint01302020-02-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Additional Maintenance Section: AWD clutch: ADDED to Models: A3 'with AWD' Battery - Connected gateway: ADDED 'for Audi Connected Services' (if applicable)
A9119232037809_52020-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin contains instructions about updating the navigation map.
A9019352058077_12020-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains instructions for determining unexpected Audi pre sense interventions.
Dealer 23Ai2020-01-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL). 2017-2018 A3 Cabriolet
Circular 23Ai2020-01-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL). 2017-2018 A3 Cabriolet
A9119162042506_82020-01-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. 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.

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