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Service bulletins for the 2023 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.

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

By type

By component

By trouble code

Bulletins, newest first
A1923362025303142023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on the discontinuation and mixing of Audi-approved engine coolants.
A9123832037809_12023-04-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin provides information on how to update the navigation map.
A9123792064681_22023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information on some situations that may affect wireless charging
A9023182065960_22023-04-06. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides information for when the virtual cockpit is distorted due a broken screen caused by outside influence.
A6423882047061_52023-04-06. Service bulletin. VISIBILITY:WINDSHIELD; STRUCTURE. This bulletin describes the process to clean sticker residue from the windshield.
A4023512023187_72023-04-06. Service bulletin. STEERING. This bulletin states that squeaking noises which may be more prevalent in wet weather during steering is normal and repair is not needed.
A2723502067906_22023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the 48V battery is in a low voltage protection state and will not accept a charge; DTC P0A7D00 is logged.
A2723482069747_12023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the vehicle does not start due to a drained battery.
A9623822056019_22023-03-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. This bulletin provides instructions for when the anti-theft alarm has gone off for no reason, or did not go off at all. No DTCs are stored.
A9023042069416_12023-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working.
A4623412034181232023-03-06. Service bulletin. SERVICE BRAKES. This bulletin provides instructions for brake noise analysis and handling.
A92233320381512023-03-06. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides instructions for when the washer solvent level warning is on in the DIS but the washer solvent level is correct.
A9123712068171_42023-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin contains information on new damage codes related to the infotainment system and Audi connect, which should be used from MY 23 onwards.
A9123632060523_22023-02-07. Service bulletin. BACK OVER PREVENTION:SOFTWARE. This bulletin describes the steps to update the MIB3 software when applicable.
DC_Alternator_52023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
DC_Alternator_42023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
DC_Alternator_32023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
DC_Alternator_62023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
A6623942049680_22023-02-07. Service bulletin. STRUCTURE. This bulletin provides instructions for when the exterior trim has spots.
A6423862047061_42023-02-07. Service bulletin. VISIBILITY:WINDSHIELD. This bulletin provides instructions for when faint images appear on the windshield from the production sticker, or an image of the suction cups used to install the windshield in production.
A4423972022563_22023-02-07. Service bulletin. VEHICLE SPEED CONTROL. This bulletin provides instructions for when a vibration is felt in the floor, seat, footwell, pedals or steering wheel while driving at highway speeds from 55 - 80 mph.
DC_Alternator_22023-02-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Support for Customers Affected by Alternator Back-order
A9123592036576_72023-02-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin advises that the MMI screen may freeze, or go blank and then restart when a special character like a symbol or emoticon is used in the name field for contact(s).
A9123572068171_32023-02-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides warranty submission instructions for Audi connect and Infotainment for Audi vehicles beginning in MY23.
A5123262068999_12023-02-07. Service bulletin. STRUCTURE. This bulletin provides instruction for when a customer advises that a visible line of corrosion is forming in the roof.

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