Service bulletins for the 2020 Audi S4
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.
942 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| A9124102073580_2 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for ordering replacement parts for ConBox Low. |
|---|---|
| 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. |
| A9024872073747_2 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are scratches or a coating on the cover of the instrument cluster, or if there are particles inside the housing. |
| A9024862069331_3 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the warning "Instrument cluster: fault. Limited warning messages. Please contact workshop." B200096 |
| A5724432027368_5 | 2024-06-25. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the door handle touch sensors for Audi advanced key are inoperative. |
| A4024762047920_10 | 2024-06-25. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are noises from the front end and dash panel while the vehicle is in motion. |
| A1124002073917_1 | 2024-06-25. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when there is a fluid sample request from Product Support. |
| A0124232073867_1 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM. |
| A0024852021205_8 | 2024-06-25. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on the ordering procedures for VIN Plates, and Safety Certification labels. |
| 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. |
| A9124102073580_2 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for ordering replacement parts for ConBox Low. |
| 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. |
| A9024872073747_2 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are scratches or a coating on the cover of the instrument cluster, or if there are particles inside the housing. |
| A9024862069331_3 | 2024-06-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the warning "Instrument cluster: fault. Limited warning messages. Please contact workshop." B200096 |
| A5724432027368_5 | 2024-06-25. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the door handle touch sensors for Audi advanced key are inoperative. |
| A4024762047920_10 | 2024-06-25. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there are noises from the front end and dash panel while the vehicle is in motion. |
| A1124002073917_1 | 2024-06-25. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when there is a fluid sample request from Product Support. |
| A0124232073867_1 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM. |
| A0024852021205_8 | 2024-06-25. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on the ordering procedures for VIN Plates, and Safety Certification labels. |
| A9424792063739_2 | 2024-05-07. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information when the headlights do not turn off during daylight hours. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.