Service bulletins for the 2019 Audi A3
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.
663 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A4020102044060_5 | 2020-07-07. Service bulletin. SUSPENSION. This technical service bulletin asks the reader to check for improperly installed or deformed front shock bellows and to replace if necessary. |
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| A4020092047758_5 | 2020-07-07. Service bulletin. SUSPENSION. This bulletin contains instructions for proper lubrication of the shock absorber to prevent cracking noises or spring jumps when steering. |
| A9120782057052_3 | 2020-07-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains instructions for when the MMI shows the message 'Read error occurred when accessing the navigation data' after initialization and reboots constantly with DTC B126CF0 and/or B126CF1. |
| A9020512058077_4 | 2020-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for determining unexpected Audi pre sense interventions. |
| A912076204250610 | 2020-07-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. This technical service bulletin explains how to determine the status of activation keys (that affect the function of Audi drive select, cruise control, navigation, Bluetooth, smartphone interface and voice recognition), and how to update them. |
| A9120722037809_6 | 2020-07-07. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions about updating the navigation map. |
| A0020382039206_3 | 2020-07-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin contains instructions on how to use the QR code in a TSB. |
| A9120702044694_2 | 2020-06-04. Service bulletin. EQUIPMENT. This technical service bulletin provides troubleshooting for issues with the navigation map database. |
| A9120652036576_6 | 2020-06-04. Service bulletin. EQUIPMENT. This informational bulletin contains instructions for when a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user searches for a contact name in the MMI address book (by using the MMI control knob or the voice recognition system): *The MMI screen goes blank then restarts. *The MMI screen freezes for a few minutes then recovers. |
| A6420742020552_9 | 2020-06-04. Service bulletin. VISIBILITY:WINDSHIELD; EQUIPMENT. This bulletin provides instructions on how to clean exterior glass. |
| A4220442038689_4 | 2020-06-04. Service bulletin. EQUIPMENT; SUSPENSION. This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. |
| TT 91 18 06 | 2020-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Apple car play function. |
| A4020062059474_1 | 2020-06-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). |
| A0020372059437_1 | 2020-06-04. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY. The informational bulletin explains why during COVID-19 there is winter-blend fuel during a warmer season and causing some issues. |
| A872005201014615 | 2020-05-07. Service bulletin. EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS:WATER HEATER. This bulletin contains instructions for properly cleaning and removing a musty odor in the vehicle. |
| SM 25-2020 | 2020-05-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| A9020452059335_1 | 2020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information on noises from the instrument cluster installation area. |
| A9020442032113_3 | 2020-05-07. Service bulletin. ELECTRICAL SYSTEM. This information bulletin contains a background on the outside air temperature reading. |
| A4220432059240_1 | 2020-05-07. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER. This bulletin contains repair instructions for knocking or rattling when driving on uneven roads. |
| A9020432059071_1 | 2020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update the resolves a clinking or whirring heard from the instrument cluster when anotification or an operational sound is played. |
| A6420722047061_2 | 2020-05-07. Service bulletin. STRUCTURE. This bulletin contains a cleaning procedure from leftover residue from suction cups or labels. |
| A4420762059234_1 | 2020-05-07. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This bulletin contains information on why the TPMS message 'Tire pressure: malfunction!' appears without DTCs. |
| A3720952047609_4 | 2020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when a 'vehicle eletronics malfunction' message appears in the display (DTC B116229). |
| SM 21-2020 | 2020-05-07. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| A012054201475311 | 2020-05-07. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.