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Service bulletins for the 2021 Audi TT

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.

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

By type

By component

By trouble code

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

Bulletins, newest first
TSB_2077443_12025-04-04. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when convenience opening does not work.
A5325102043016_42025-02-05. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there are visible wires in the interior.
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.
A9124922068573_42025-01-07. 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.
A9024582075217_22025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the display of guages is faulty in Audi virtual cockpit.
A9024502070020_52025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Audi virtual cockpit display has semi-circular marks on edges of the display.
A9024492076100_12025-01-07. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when myAudi requires a user to log in again.
A8724932076287_12025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the control functions in the vehicle are restricted.
A2724842074729_22025-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information in circumstances where there are noises/vibration from front of vehicle in dynamic mode.
A9624072056019_32024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the anti-theft alarm activates for no reason, or when the anti-theft alarm does not activate.
A9324342074808_22024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content.
A9124872024323_112024-12-04. Service bulletin. ELECTRICAL SYSTEM. This TSB Provides information when parking assistance provides false warnings.
A9124732064681_52024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an issue with wireless charging/wireless charging not working with Audi Phone Box.
A9124712074855_22024-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the calendar function is not available.
A9024272070020_42024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the audi virtual cockpit display has semi-circular marks on the edges of the display.
A4524462072304_22024-10-28. Service bulletin. ELECTRICAL SYSTEM. This bulleitn provides information when there is an implausible signal in the ABS/ESC speed sensor.
A9324042074808_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content.
A9124462068573_32024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informationw hen the parking aid sensor bracket(s) separates from the rear bumper.
A9124392074855_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the calendar function is not available in MIB3.
A9124382074858_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when the calendar function is not available; MIB2 and MIB2+.
A9124372060523_32024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides software update instructions for MIB3.
A9324042074808_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content.
A9124462068573_32024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informationw hen the parking aid sensor bracket(s) separates from the rear bumper.
A9124392074855_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the calendar function is not available in MIB3.
A9124382074858_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when the calendar function is not available; MIB2 and MIB2+.

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