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
| 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_2044417_13 | 2025-04-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information about repiars for squeaks and rattles in the headliner. |
| TSB_2041717_13 | 2025-04-04. Service bulletin. VISIBILITY/WIPER. This bulletin provides information regarding the GFF test plan required for A/C compressr replaements regardless of the concern. |
| TSB_2038689_9 | 2025-04-04. Service bulletin. SUSPENSION. This bulletin provides information regaridng securting the bump stops when there are noises form the rear of the vehicle. |
| TSB_2018194_12 | 2025-04-04. Service bulletin. SUSPENSION. This bulletin serves as an assessment aid for shock absorber leaks. |
| SM 15-2025 | 2025-04-04. Other. LANE DEPARTURE: WARNING. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| TSB-2076404_3 | 2025-03-19. Service bulletin. UNKNOWN OR OTHER. This bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR. |
| TSB-2076945_1 | 2025-03-19. Service bulletin. STRUCTURE:BODY. This bulletin provides information about leather care and seat repair. |
| TSB-2062115_13 | 2025-03-19. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions on reinstalling the Navigation Database in vehcles with MiB3. |
| TSB-2061904_6 | 2025-03-19. Service bulletin. STEERING. This TSB provides information when the warning message "Steering lock for active steering failed. |
| A5325102043016_4 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there are visible wires in the interior. |
| A8725982064077_6 | 2025-02-05. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator. |
| A9025612076683_1 | 2025-02-05. Service bulletin. STRUCTURE:BODY. This TSB provides information when there is a rattling noise from inside of the Audi virtual cockpit. |
| 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. |
| A7225632064695_5 | 2025-02-05. Service bulletin. STRUCTURE:BODY. This bulletin contains service information about a comfort complaint pertaining to the easy-entry function. |
| A6625162049680_3 | 2025-02-05. Service bulletin. STRUCTURE:BODY. This TSB provides information when the exterior rubber trim is spotted. |
| A4025932076605_1 | 2025-02-05. Service bulletin. SUSPENSION. This TSB provides informaiton pertaining to noises from the guide link bush. |
| A4025922076604_1 | 2025-02-05. Service bulletin. SUSPENSION. This TSB provides informaiton about locating noises coming from suspension. |
| A4025902018194_11 | 2025-02-05. Service bulletin. SUSPENSION. This bulletin is an assessment aid for shock absorber leaks. |
| A9125012062115_12 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions on reinstalling the Nav Database. |
| A3725312074822_2 | 2025-02-05. Service bulletin. SUSPENSION. This bulletin provides information when noises from wheel input shaft/drive shaft are reported. |
| A9125002076466_1 | 2025-02-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information to check in the event that a customer complains about Apple CarPlay/Android Auto. |
| A4825772065978_4 | 2025-02-05. Service bulletin. STEERING. This bulletin provides information when the steering wheel does not heat up sufficiently. |
| A4025872047920_11 | 2025-02-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when noises from the front end and dash panel, rolling noises are noted. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.