Service bulletins for the 2021 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.
1057 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Electrical system are shown. Show all
| A5524992070966_3 | 2024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the customer requests that the gesture-controlled rear lid be deactived. |
|---|---|
| A4324922067531_4 | 2024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit. |
| A9424822074347_1 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informationw hen there are optical concerns with the tail lights. |
| A9124252018187_15 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when there are speaker rattles, vibrations, or audio interference.A1 |
| A9124232059528_10 | 2024-07-02. 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. |
| A9024992069331_4 | 2024-07-02. 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. |
| A9024982065932_3 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the virtual cockpit display has a white sheen. |
| A9024972064983_8 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulleitn provides information when the virtual cockpit displays a colorful line (pixel error). |
| A9024022064844_3 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the virtual cockpit remains blank on startup. |
| A9024002065960_4 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the display is distorted due to a broken screen. |
| A5524962070966_2 | 2024-07-02. 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_1 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informationw hen there are optical concerns with the tail lights. |
| A9124252018187_15 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when there are speaker rattles, vibrations, or audio interference.A1 |
| A9124232059528_10 | 2024-07-02. 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. |
| A9024992069331_4 | 2024-07-02. 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. |
| A9024982065932_3 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the virtual cockpit display has a white sheen. |
| A9024972064983_8 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulleitn provides information when the virtual cockpit displays a colorful line (pixel error). |
| A9024022064844_3 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the virtual cockpit remains blank on startup. |
| A9024002065960_4 | 2024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the display is distorted due to a broken screen. |
| A5524962070966_2 | 2024-07-02. 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_3 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is noise while steering. |
| A9124152073629_2 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when Apple CarPlay connection is dropped repeatedly in short intervals. |
| A9124092059528_9 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when DTC B200096 or B200000 are stored in the telematics control module; ConBox High. |
| A9024962071281_2 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an instrument cluster warning "Fault: Limited warning messges", DTC B174404. |
| A9024952059891_6 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This byulletin provides information when the Audi pre sense icon for restricted function is displayed after the engine starts. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.