Service bulletins for the 2021 Audi SQ8
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.
1186 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A9121302062115_6 | 2021-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains instructions for when the nav files are corrupted during an update. |
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| A9121282063502_2 | 2021-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains a software update that addresses DTC B200FF9 with various driver assist malfunction messages. |
| A9121262064429_1 | 2021-10-05. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This bulletin states to create a PSS record for when the star button is programmed to the front camera views and is lost after a bus sleep cycle. |
| A8721162041717_7 | 2021-10-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This informational bulletin details on how to get a GFF test plan for A/C compressor replacements. |
| A6921702064545_1 | 2021-10-05. Service bulletin. AIR BAGS. This bulletin contains instructions for when DTC B101C29 and/or B101D29 is stored in the airbag control module. |
| A5521592064476_1 | 2021-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states to replace the rear lid closing assist motor when DTC B113E29 is present with one of the conditions. |
| A4821112064535_1 | 2021-10-05. Service bulletin. STEERING. This bulletin contains repair instructions for when the steering column clicks when it is adjusted vertically. |
| A4821102064018_2 | 2021-10-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored. |
| A0121102028842_3 | 2021-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin gives instructions for identifying chip tuning. |
| A4821092028220_9 | 2021-09-03. Service bulletin. EQUIPMENT. This technical service bulletin informs the reader that damage to the appearance of the leather steering wheel caused by outside influence is not covered under warranty. |
| A9121202051720_4 | 2021-09-03. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains instructions for submitting a customer registration form for the Audi phone box to the customer's Mobile Network Operator. |
| A6921682056421_4 | 2021-09-03. Service bulletin. AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; EQUIPMENT. This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer. |
| A6921672062974_2 | 2021-09-03. Service bulletin. AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; SEAT BELTS. This informational bulletin states to delete the DTCs and not replace parts for when there is a malfunction message and DTC B130474 and B130574 are sporadically stored. |
| A9121172062266_2 | 2021-09-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to create a PSS record when last destinations, favorites, and home/work addresses are sporadically lost. |
| A9121162061257_2 | 2021-09-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains instructions regarding Audi connect software failures and how to resolve it. |
| A3921442064024_1 | 2021-09-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for when there is an oil leak from the rear of the vehicle and the sealing caps are missing from the pressure limiting valves. |
| A4421832056386_6 | 2021-09-02. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
| A4321532059363_2 | 2021-09-02. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. This bulletin contains repair instructions for DTC C1260F0 and U112100 with an air suspension malfunction warning. |
| 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. |
| A9021112063913_2 | 2021-08-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update for when the cluster's driver information system is blank. |
| A5721802060196_3 | 2021-08-04. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR:HANDLE:EXTERIOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This bulletin contains instructions for when the exterior door handles are binding. |
| 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". |
| A5721822063236_1 | 2021-08-04. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK; STRUCTURE:BODY:DOOR. This bulletin contains diagnosis information for when the front and/or rear doors cannot be opened and there maybe be various DTCs associated. |
| A9621722061932_3 | 2021-08-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; LANE DEPARTURE. This bulletin contains instructions for when DTC U112300 is stored. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.