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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

Bulletins, newest first
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.
DC_Q5 Hybrid2024-07-02. Other. UNKNOWN OR OTHER. This document provides clarity on the MY24 Audi Q5 Hybrid fault code with technical service bulletin release on Monday, June 24.
A9124202074276_12024-07-02. Service bulletin. ELECTRICAL SYSTEM. ConBox high, red emergency call LED after ConBox is replaced
A6924112056406_52024-07-02. Service bulletin. AIR BAGS. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
A9124162018187_142024-07-02. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are speaker rattles, vibration or audio interference.
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.
A7024922044417_122024-07-02. Service bulletin. STRUCTURE:BODY. This bulleint provides information for when noises are heard from the headliner/sunroof area.
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.
DC_Q5 Hybrid2024-07-02. Other. UNKNOWN OR OTHER. This document provides clarity on the MY24 Audi Q5 Hybrid fault code with technical service bulletin release on Monday, June 24.
A9124202074276_12024-07-02. Service bulletin. ELECTRICAL SYSTEM. ConBox high, red emergency call LED after ConBox is replaced
A6924112056406_52024-07-02. Service bulletin. AIR BAGS. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
A9124162018187_142024-07-02. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are speaker rattles, vibration or audio interference.
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.
A7024922044417_122024-07-02. Service bulletin. STRUCTURE:BODY. This bulleint provides information for when noises are heard from the headliner/sunroof area.
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
AWA 24-042024-06-25. Warranty extension. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.

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