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Service bulletins for the 2025 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.

539 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
TSB-2059528_132025-03-19. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there is an eCall fault/eCall LED is red with DTC B200000.
TSB-2076945_12025-03-19. Service bulletin. STRUCTURE:BODY. This bulletin provides information about leather care and seat repair.
TSB-2062115_132025-03-19. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions on reinstalling the Navigation Database in vehcles with MiB3.
A5325102043016_42025-02-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there are visible wires in the interior.
A9025632076743_12025-02-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the last display selected in the Audi virtual cockpit resets after a bus sleep cycle.
A8725982064077_62025-02-05. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator.
A9025612076683_12025-02-05. Service bulletin. STRUCTURE:BODY. This TSB provides information when there is a rattling noise from inside of the Audi virtual cockpit.
Cust_reminder_44CT2025-02-05. Other. UNKNOWN OR OTHER. Owner notification – recall remedy available (catch-up mailing)
A9125072061028_62025-02-05. 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.
A9125032075629_32025-02-05. Service bulletin. ELECTRICAL SYSTEM. This Pending Service Solution (PSS) requests that technicians create a record in the PSS Database inwhen the main menu tiles are missing in MIB3.
A7225632064695_52025-02-05. Service bulletin. STRUCTURE:BODY. This bulletin contains service information about a comfort complaint pertaining to the easy-entry function.
A6625162049680_32025-02-05. Service bulletin. STRUCTURE:BODY. This TSB provides information when the exterior rubber trim is spotted.
A4025932076605_12025-02-05. Service bulletin. SUSPENSION. This TSB provides informaiton pertaining to noises from the guide link bush.
A4025922076604_12025-02-05. Service bulletin. SUSPENSION. This TSB provides informaiton about locating noises coming from suspension.
A4025902018194_112025-02-05. Service bulletin. SUSPENSION. This bulletin is an assessment aid for shock absorber leaks.
A9625162061932_102025-02-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information in instances when DTC U112300 is stored in one of two control modules.
A9125012062115_122025-02-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions on reinstalling the Nav Database.
A3725312074822_22025-02-05. Service bulletin. SUSPENSION. This bulletin provides information when noises from wheel input shaft/drive shaft are reported.
A9125002076466_12025-02-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information to check in the event that a customer complains about Apple CarPlay/Android Auto.
A4825772065978_42025-02-05. Service bulletin. STEERING. This bulletin provides information when the steering wheel does not heat up sufficiently.
A4025872047920_112025-02-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when noises from the front end and dash panel, rolling noises are noted.
Dealer 96RG2025-01-07. Service campaign. UNKNOWN OR OTHER. The HomeLink cannot be programmed and there is no reaction when the HomeLink buttons in the rearview mirror are pressed. A software update will be performed to address this issue.
Circular 96RG2025-01-07. Service campaign. UNKNOWN OR OTHER. The HomeLink cannot be programmed and there is no reaction when the HomeLink buttons in the rearview mirror are pressed. A software update will be performed to address this issue.
DC_44CT2025-01-07. Other. UNKNOWN OR OTHER. Update on Continental Tire Safety Recall – 44CT
A9124952076400_12025-01-07. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the initial Bluetooth pairing with iPhone fails.

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