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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

Bulletins, newest first
TSB_2079214_42026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate.
TSB_2068573_62026-10-05. 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.
TSB_2082977_12026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when the airbag warning lamp is active, event memory "B200000 - Faulty control module, symptom 305".
TSB_2082976_22026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_12026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
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_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_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_2069596_32026-08-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the pop-up for massage functions does not appear.
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_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.
TSB_2059335_72026-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2074729_32026-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2080517_42026-06-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2080517_32026-05-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2081409_12026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton regarding the Universal Traffic Recorder.
TSB_2081405_12026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn about various infortainment system complaints.
TSB_2081200_12026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaito when Apple CarPlay/Android Auto does not react to touch inputs.
TSB_2059528_182026-04-07. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the Emergency call SOS light has a fault, LED red; DTC B200000.
TSB_2024323_132026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
TSB_2024323_122026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
TSB_2080517_22026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2079214_32026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate.

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