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
| A4221462038689_5 | 2021-09-02. Service bulletin. 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. |
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| A4221462038689_5 | 2021-08-04. Service bulletin. EQUIPMENT; SUSPENSION:REAR. 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. |
| A1921222046712_3 | 2021-08-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap. |
| 21AUUSMaint721 | 2021-08-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Additional Maintenance Items: Rear axle, quattro Sport - Change ATF and differential oil. CHANGED "Change Fluids". Every 60,000 miles - Only: RS 5, S6, S7, SQ7, SQ8, RS Q8. Oil Capacity Chart: Changed Q7 45 TFSI 2.0L oil type to "508". |
| Dealer 94O7 | 2021-08-04. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; ELECTRICAL SYSTEM:SOFTWARE. On Audi vehicles with LED and matrix beam headlights with main beam assist, the main beams may be incorrectly activated in rare cases when driving out of a tunnel. |
| Bulletin 94O7 | 2021-08-04. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. On Audi vehicles with LED and matrix beam headlights with main beam assist, the main beams may be incorrectly activated in rare cases when driving out of a tunnel. |
| A5521582064020_1 | 2021-08-04. Service bulletin. EQUIPMENT; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK. This bulletin contains instructions when the power rear lid cannot be opened using the key, with DTCs B113E29 and/or B113E07. |
| A9121142053916_3 | 2021-08-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen. |
| A9121112061031_3 | 2021-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin contains instructions for addressing the issue of a fuzzy or blurry MMI screen. |
| A1921192061918_3 | 2021-07-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank. |
| A0021482021205_6 | 2021-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc. |
| A5721792063376_2 | 2021-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This bulletin contains repair instructions for when DTC B14FF29 is stored. |
| A0021472031473_3 | 2021-07-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. |
| Dealer 24GQ | 2021-07-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the malfunction indicator light (MIL). |
| Circular 24GQ | 2021-07-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); EQUIPMENT. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the malfunction indicator light (MIL). |
| A9421392063739_1 | 2021-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBS. This information bulletin explains how the daylights turn on and off. |
| A4821062063153_2 | 2021-07-02. Service bulletin. STEERING:STEERING CONTROL MODULE. This bulletin states to delete the DTC and release the vehicle if DTC C10AC07 is stored in the power steering control module with one of the following symptom codes 24320, 24321, 24322, 24323, 24324, or 24325. |
| A9621692061819_2 | 2021-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin states to not perform any repairs for DTC U11220 with symptom code 1188157. |
| A6621732055713_2 | 2021-07-02. Service bulletin. STRUCTURE. This bulletin states to not install a novelty or decorative license plate frame or to modify the existing license plate. |
| SM 44-2021 | 2021-07-02. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| 21TechRefGde526 | 2021-06-03. Service bulletin. BACK OVER PREVENTION; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). All models except Q3, R8, and TT: Settings Section: Split Verify and set language & measurements checklist items into 2 separate with instructions. Changed instructions for "Set Entertainment Fad in Parking aid", " Set Music volune while parking to Medium", and "Turn off Manual Seed Warning". Media/Radio/Sat Section: Changed instructions for "Verify HD Radio is turned "off". On-Hoist Inspection Section: Changed where to store tire pressures for Set and store tirepressures" to "Home > Vehicle > Settings & Service > Tire pressure monitoring". Audi connect Section: Changed instructions for "Turn on the Wi-Fi hotspot", Check Wi-Fi hotspot visibility", and Enable satellite map view for navigation" |
| A9121042024323_8 | 2021-06-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning. |
| A9721802063269_1 | 2021-06-03. Service bulletin. ELECTRICAL SYSTEM; PARKING BRAKE. This bulletin contains instructions for addressing a harness chafing issues. |
| A6921662063398_1 | 2021-06-03. Service bulletin. SEAT BELTS. This informational bulletin outlines what is damage due to outside influence on a seat belt. |
| A5721772063376_1 | 2021-06-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. This bulletin contains software updates for DTC B14FF29 and a child lock malfunction. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.