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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.

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By component

By trouble code

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
TSB_2061028_92026-02-06. 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.
TSB_2080681_12026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding contact checks for event memories, intermittent.
TSB_2069416_22026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working.
TSB_2056019_52026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the anti-theft alarm activates for no reason, or does not activate.
TSB_2080517_12026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2061669_32026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides service infrmation for workshop mode with Audi connect vehicles.
TSB_2077148_22026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaotin when the home address, work address, and favorites are deleted invehicles with MIB3.
TSB_2079133_32026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides a osftware update for vehicles with MIB3, NAR Version ST37+LSR).
TSB_2079652_22026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Emergency call LED in the roof module is not lit up green.
TSB_2018187_182026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are speaker rattles, vibrations, or audio interference.
TSB_2079619_12025-12-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when favorites, home address, and stored destinations are deleted; MIB CL32.
TSB_2059528_172025-12-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the Emergency call SOS light has a fault, LED red; DTC B200000.
TSB_2067531_72025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletinprovides information when DTCs B200FF0 to B200FF5 are stpredom the J775 suspension control unit.
TSB_2058077_102025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information about the Audi pre sense warning, warning jolt and/or brake engagement.
TSB_2065978_62025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the steering wheel does not heat up sufficiently.
TSB_2059528_162025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when, with ConBox High, the Emergency call (SOS) fault/LED is red, with DTC B200000.
TSB_2079652_12025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Emergency call LED in the roof module is not lit up green.
TSB_2079133_22025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides an MMI software update for MIB3 vehicles.
TSB_2069331_62025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is a warning in the instrument cluster: "Instrument cluster: fault. Limited warning messages. Please contact workshop" - B200096.
TSB_2069112_62025-11-08. Service bulletin. ELECTRICAL SYSTEM. Ths is bulletin provides information when favorites, home address and stored destinations are deleted with MIB3.
TSB_2060523_52025-11-08. Service bulletin. ELECTRICAL SYSTEM. This TSB provides MIB3 Software update instructions.
TSB_2079293_12025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the function programmed to star button on multi-function steering wheel deletes itself.
TSB_2079295_12025-10-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an installation error for Audi connect.
TSB_2079214_12025-10-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides workshop information for fault findinga nd repair for the electric tailgate.
TSB_2071264_22025-10-03. Service bulletin. ELECTRICAL SYSTEM. This bulleitn provides information whent here are complaints about route guidance with Navigation.

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