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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
A2723602067906_32023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides information for when DTC P0A7D00 is stored.
A1923442071515_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when there is a coolant leak on a 2.0L engine.
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
AVin4PinAug232023-09-01. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT. 3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: Catalyst System,Bank1 Efficiency Below" Check engine lamp, Belt Starter Generator DTC U046900 symptom 26950 Fuel pressure low. DTC P008700 Leak from oil pan Low coolant warning in cluster, coolant level is correct MMI screen exhibits "ghost touches" randomly changing screen Noise from front door trim panel while driving USB Trim detached from center console Valve cover leaking oil
A4023672047920_72023-09-01. Service bulletin. ENGINE. This bulletin provides information when there are noises from the front end and dash panel when the vehicle is moving.
A1023262018288102023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine.
AudiVin4PinJune2023-07-10. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT; STRUCTURE:BODY:DOOR. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Belt noise from starter generator Leak from oil pan USB Trim detached from center console 3.0L engine sound generator malfunctioning
A9123942018187132023-06-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference.
AVIN4PIN202305102023-06-06. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:COOLING SYSTEM; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING. Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Belt noise from starter generator Leak from oil pan USB Trim detached from center console Airbag light on: DTC B100A1B or B100B1B 3.0L engine water pump leaking 3.0L engine sound generator malfunctioning
AVIN4PIN202305012023-06-06. Service bulletin. STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Belt noise from starter generator Leak from oil pan Coolant resevoir cap damaged internally USB Trim detached from center console Airbag light on: DTC B100A1B or B100B1B 3.0L engine water pump leaking 3.0L engine sound generator malfunctioning
A1923362025303142023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on the discontinuation and mixing of Audi-approved engine coolants.
A3923522059759_42023-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when there is an oil leak from the front end, or from the engine compartment.
A2023522065287_62023-02-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM.
AVIN4PIN202212222023-01-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM. 2022 Q3 PDC sensor connector loose at rear bumper 2022 A6 PDC sensor connector loose at front or rear bumper 2021-2022 A5Noise from front door trim panel while driving 2022 Q5 ACC warning is displayed, DTC C110300 Sensor misadjusted in DA 0013 2021-2022 e-tron quattro, e-tron SB Noise from front door trim panel while driving 2020-2021 Q3 Low coolant warning in cluster, coolant level is correct 2021-2022 Q7, Q8 Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. 2022 Q3 Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 2020-2022 A5Rear PDC mount comes loose from rear bumper No new topics for December 2022
Q3 worksheet2022-11-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. Vin-4-Pin Worksheet - Q3 - Coolant warning light on
AVIN4PIN202210142022-11-04. Service bulletin. ENGINE AND ENGINE COOLING. Q3 2020-2021 Coolant warning Lamp - Customer states they receive a low coolant waning in the cluster. Coolant level appears to be full in the reservoir Q7, Q8 2021-2022 Active Air Shutter - Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. Q5 2022 ACC sensor misadjusted - Customer states they have an ACC warning shortly after PDI (less than 600mi on the odometer) with a misadjusted ACC sensor (DTC C110300 in diag. addr. 0013) Q3 2022 Boost pressure sensor - Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Q3 2022 Rear PDC sensor connector loose - Parking aid warning is displayed shortly after PDI. DTC B10F914: Right front center parking aid sensor Open circuit/short circuit to Ground (GND) may be set A6 2022 PDC sensor connector loose - Parking aid warning is displayed shortly after PDI. Either a front or rear PDC sensor is found not connected. e-tron GT 2022-2023 Noise from front door trim panel while driving or with audio playback - Video of noise before repair e-tron Quattro, e-tron Sportback 2021-2022 Noise from Front Door Trim Panel - Noise from front door trim panel while driving A5 2021-2022 Noise from Front Door speaker Grill - Noise from front door loudspeaker grille with music playback or while driving
A3922482059759_32022-11-04. Service bulletin. ENGINE. This bulletin advises to apply silicone sealant when an engine leak is identified from the front end of the vehicle or the engine compartment.
A8722302067716_12022-09-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin advises that techs should document the specific o-ring seal that is replaced if a refrigerant leak is found and caused by the o-ring seal.
A8722242064077_12022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A2022422065287_32022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection.
A1722172060750_32022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A9222282065963_12022-03-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. This bulletin describes various conditions that may have arisen due to a leak in the corrugated windshield washer hose, and the associated repair.
A1922282025303132022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants.
A1922272025303122022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants.
A2022402065287_22022-02-04. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:HOSES/VALVES/SENSORS; UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection.

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