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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
TSB_2069331_82026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
TSB_2069078_42026-09-04. Service bulletin. SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
TSB_2068999_42026-09-04. Service bulletin. STRUCTURE:BODY. This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
TSB_2067132_42026-09-04. Service bulletin. SERVICE BRAKES. This bulletin provides information when there is corrosion on the friction survace of steel brake discs.
TSB_2064681_62026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
TSB_2063546_52026-09-04. Service bulletin. STEERING. This bulletin provides service infomraiton regardin gthe identifaction of noises with dynamic steering.
TSB_2063528_52026-09-04. Service bulletin. STEERING. This bulletin provides service information when thre are engine noises in the vehicle interior.
TSB_2059057_152026-09-04. Service bulletin. POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
TSB_2082846_12026-08-05. Service bulletin. UNKNOWN OR OTHER. This bulletin provides a statement regarding the bottleneck of supply for VW approved oil types VW 504.00 and VW 507.00.
TSB_2081573_42026-08-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
TSB_2081573_32026-08-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
TSB_2078648_22026-08-05. Service bulletin. STRUCTURE:BODY. This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel.
TSB_2073747_42026-08-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
TSB_2073282_12026-08-05. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is a film/visible rings on the clear glass cover of the headlight when the dipped beam is switched on.
TSB_2069596_32026-08-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the pop-up for massage functions does not appear.
TSB_2082323_12026-07-07. Service bulletin. ENGINE. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2076404_82026-07-07. 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_2076404_72026-07-07. 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_2074640_32026-07-07. Service bulletin. ENGINE. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
TSB_2073867_32026-07-07. Service bulletin. ENGINE. This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
TSB_2069331_72026-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
TSB_2068573_52026-07-07. Service bulletin. STRUCTURE:BODY. This bulletin provides informaoitn when the rear parking sensor sometimes does not work, is loose, or there is a rear parking sensor fault message.
TSB_2065960_62026-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the display of the Audi virtual cockpit is distorted due to a broken screen.
TSB_2064983_152026-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are pixel faults on the virtual cockpit.
TSB_2059528_192026-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Emergency call SOS light has a fault, LED red; DTC B200000.

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