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Service bulletins for the 2020 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.

1073 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

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

Bulletins, newest first
A7224572074721_12024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information about noises from the backrest of the front seat.
A5724532027368_62024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the door handle touch sensors (Audi advanced key) inoperative.
A5524992070966_32024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the customer requests that the gesture-controlled rear lid be deactived.
A4324922067531_42024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit.
A9424822074347_12024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informationw hen there are optical concerns with the tail lights.
A9124252018187_152024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when there are speaker rattles, vibrations, or audio interference.A1
A9124232059528_102024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an eCall fault/eCall LED red with DTC B200000 in vehicles with ConBox High.
A9124202074276_12024-07-02. Service bulletin. ELECTRICAL SYSTEM. ConBox high, red emergency call LED after ConBox is replaced
A9024992069331_42024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is a message in the instrument cluster: Warning "Instrument cluster: fault. Limited warning messages. Please contact workshop" B200096.
A9024022064844_32024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the virtual cockpit remains blank on startup.
A9024002065960_42024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the display is distorted due to a broken screen.
A5524962070966_22024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when a customer requests that the gesture-ctonrolled rear lid opening/closing (virtual pedal) function be deactivated
A9424822074347_12024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informationw hen there are optical concerns with the tail lights.
A9124252018187_152024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when there are speaker rattles, vibrations, or audio interference.A1
A9124232059528_102024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an eCall fault/eCall LED red with DTC B200000 in vehicles with ConBox High.
A9124202074276_12024-07-02. Service bulletin. ELECTRICAL SYSTEM. ConBox high, red emergency call LED after ConBox is replaced
A9024992069331_42024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is a message in the instrument cluster: Warning "Instrument cluster: fault. Limited warning messages. Please contact workshop" B200096.
A9024022064844_32024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the virtual cockpit remains blank on startup.
A9024002065960_42024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the display is distorted due to a broken screen.
A5524962070966_22024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when a customer requests that the gesture-ctonrolled rear lid opening/closing (virtual pedal) function be deactivated
A9424812073332_32024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is noise while steering.
A9124152073629_22024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when Apple CarPlay connection is dropped repeatedly in short intervals.
A9124102073580_22024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for ordering replacement parts for ConBox Low.
A9124092059528_92024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when DTC B200096 or B200000 are stored in the telematics control module; ConBox High.
A9024962071281_22024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an instrument cluster warning "Fault: Limited warning messges", DTC B174404.

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