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
| TSB_2056076_22 | 2025-04-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an SOS Malfunction with ConBox Low, "Emergency call function: fault", (DTC U142100, U153E00). |
|---|---|
| TSB-2062115_13 | 2025-03-19. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions on reinstalling the Navigation Database in vehcles with MiB3. |
| A5325102043016_4 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there are visible wires in the interior. |
| A9125072061028_6 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are no services in the MMI and the SOS LED does not turn green after PDI. |
| A9125062073134_2 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This Pending Service Solution (PSS) requests that technicans create a record in the PSS database when the function programmed to the star button on the multi-function steering wheel deletes itself. |
| A9125012062115_12 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions on reinstalling the Nav Database. |
| A9124972075322_3 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when there is an installation error with Audi connect. |
| A9124942065817_4 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when Key User pariing is not possible, or the myAudi login cannot be completed in the vehicle. |
| A9124922068573_4 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message. |
| A9024512064844_5 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informatino when the Audi virtual cockpit remains blank at startup. |
| A9024502070020_5 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Audi virtual cockpit display has semi-circular marks on edges of the display. |
| A8724932076287_1 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the control functions in the vehicle are restricted. |
| A2724842074729_2 | 2025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information in circumstances where there are noises/vibration from front of vehicle in dynamic mode. |
| A9624092076008_1 | 2024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the camera for the Driver Assist Systems is coded incorrectly. |
| A9624072056019_3 | 2024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the anti-theft alarm activates for no reason, or when the anti-theft alarm does not activate. |
| A9324342074808_2 | 2024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content. |
| A9124872024323_11 | 2024-12-04. Service bulletin. ELECTRICAL SYSTEM. This TSB Provides information when parking assistance provides false warnings. |
| A9024472059891_8 | 2024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the restricted function icon for Audi Pre sense is displayed after engine starts. |
| A9024432059863_4 | 2024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informatoin when Audi pre sense restricted message appears in the instrument cluster, no DTCs. |
| A4324002067531_5 | 2024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit. |
| A9124732064681_5 | 2024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an issue with wireless charging/wireless charging not working with Audi Phone Box. |
| A9124712074855_2 | 2024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the calendar function is not available. |
| A9124642075322_2 | 2024-11-06. Service bulletin. ELECTRICAL SYSTEM. This Pending Service Solution (PSS) requests that technicians enter a record in the PSS Database when there is an Audi connect installation error. |
| A9124552075322_1 | 2024-10-28. Service bulletin. ELECTRICAL SYSTEM. This Pending Service Solution (PSS) requests that technicians enter a record in the PSS Database when there is an Audi connect installation error. |
| A9124522056076_21 | 2024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an SOS Malfunction with ConBox Low, "Emergency call function: fault", (DTC U142100, U153E00). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.