Service bulletins for the 2021 Audi Q3
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.
870 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A9121632060474_2 | 2021-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin advises the technician to create a PSS record for when after a software update, with active privacy settings, e.g. "Use of vehicle position", the pop-up window is shown with every ignition cycle. Message persists even if "Do not show again" is selected. |
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| A9021852060249_4 | 2021-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin states to create a PSS record when the clock and trip odometer sporadically reset to midnight or '0:00'. |
| A6621682046229_2 | 2021-02-04. Service bulletin. STRUCTURE. This informational bulletin outlines proper warranty procedure for optical defects. |
| A0121962060429_2 | 2021-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM. |
| A2021332059997_2 | 2021-02-04. Service bulletin. STRUCTURE; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. This bulletin contains repair instructions for when there is a vibrating or droning noise coming from the right half of the vehicle. |
| A9620602061819_1 | 2021-01-08. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: OTHER. This bulletin states to not perform any repairs for DTC U11220 with symptom code 1188157. |
| A2020312061661_1 | 2021-01-08. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. This bulletin addresses an issue with the fuel sender giving incorrect fuel range messages in the instrument cluster. |
| A0020432061669_1 | 2021-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin contains instructions for Audi connect before performing any MMI work. |
| SM C-2020 | 2021-01-08. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed (State of California only). |
| A0020362002047_1 | 2020-12-21. Service bulletin. EQUIPMENT:ELECTRICAL. This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly. |
| A6920602059944_4 | 2020-12-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains instructions for various DTCs are stored for a Pre sense malfunction indicator light in the instrument cluster. |
| SM 04-2020 | 2020-12-04. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed and order the superseded part numbers. |
| A6020452056944_5 | 2020-12-04. Service bulletin. STRUCTURE:INTERIOR PANELS:CEILING. This bulletin contains repair instructions for when the customer sees water drip from the headliner area. |
| A3820202060563_3 | 2020-12-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This bulletin contains repair instructions for diagnosing an oil leak. |
| 21Q3TECHREPORT | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM. Driver Assistance Section: ADDED: "Activate rear cross traffic assist (if equipped)" |
| A9120242026611_7 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains a guide for troubleshooting HD radio issues. |
| A4820912053869_4 | 2020-11-05. Service bulletin. STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. |
| A9020762060249_3 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to create a PSS record when the clock and trip odometer sporadically reset to midnight or '0:00'. |
| A6020442056944_4 | 2020-11-05. Service bulletin. STRUCTURE; EQUIPMENT. This bulletin contains repair instructions for when the customer sees water drip from the headliner area. |
| A9020742060824_2 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update for when the message "Traffic sign detection: Malfunction" appears when turning on the vehicle with no DTCs. |
| A9020732059891_3 | 2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin directs you to read the SSP and not perform any repairs for the concern. |
| A3820192060563_2 | 2020-11-05. Service bulletin. FUEL SYSTEM, OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. This bulletin contains repair instructions for diagnosing an oil leak. |
| A1720112060750_1 | 2020-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This bulletin contains instructions for using the UV additive to find engine oil leaks. |
| A0020422045316_5 | 2020-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE. This bulletin contains information for diagnosing the Start/Stop system. |
| A9020712060249_2 | 2020-10-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to create a PSS record when the clock and trip odometer sporadically reset to midnight or "0.00". |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.