Service bulletins for the 2021 Audi S6
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.
1155 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A1021222018288_9 | 2021-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This technical service bulletin reminds the reader to check for metal debris when replacing an engine. |
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| A0021442052680_3 | 2021-06-03. Service bulletin. EQUIPMENT. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). |
| A9621682061155_2 | 2021-06-03. Service bulletin. ENGINE. This informational bulletin states to create a PSS as there is a sporadic failure of the intersection/lane changing assistance. |
| A9121002061028_2 | 2021-06-03. Service bulletin. VISIBILITY. This bulletin explains and troubleshoots when Audi connect does not have a green SOS light. |
| A6421802020552_1 | 2021-06-03. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This bulletin provides instructions on how to clean exterior glass. |
| A4821002061904_2 | 2021-06-03. Service bulletin. STEERING:STEERING CONTROL MODULE. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on. |
| A4421822056386_5 | 2021-06-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
| 21A6S6TECHREPRT | 2021-06-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Settings Section Split "Verify and Set language & Vehicle Measurements" into two separate checklist items. Post-Road Test Inspection Section: Added "See TSB 2061028" to the end of The vehicle must not be delivered to the customer if the emergency call function has not been successfully activated (LED lights up in green). |
| ELSAallignAudi | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM. Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including OPEN/CLOSED status, repair date as well as criterions at the same time without any discrepancy. |
| A9121922062942_2 | 2021-05-06. Service bulletin. EQUIPMENT. This bulletin states to create a PSS record when the detailed interaction map flickers. |
| A9021982059335_2 | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This bulletin contains information on noises from the instrument cluster installation area. |
| A9021002032113_5 | 2021-05-06. Service bulletin. EQUIPMENT. This information bulletin contains a background on the outside air temperature reading. |
| A4821982063042_1 | 2021-05-06. Service bulletin. STEERING. This bulletin states to follow the instructions depending a passive or active entry for DTC B200FF0 with the steering warning lamp on. |
| A6921642062974_1 | 2021-05-06. Service bulletin. AIR BAGS; AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE. 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. |
| A6821332056298_4 | 2021-05-06. Service bulletin. EQUIPMENT. This bulletin contains instructions for dealing with a noise in the dash panel around the MMI display. |
| A6421792047061_3 | 2021-05-06. Service bulletin. EQUIPMENT:OTHER:LABELS. This bulletin contains a cleaning procedure from leftover residue from suction cups or labels. |
| A9121892062942_1 | 2021-05-06. Service bulletin. EQUIPMENT. This bulletin states to create a PSS record when the detailed interaction map flickers. |
| A9121882062115_4 | 2021-05-06. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin contains instructions for when the nav files are corrupted during an update. |
| A5721752022032_9 | 2021-05-06. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This technical service bulletin provides troubleshooting information for the vehicle locking system. |
| A5521542062730_1 | 2021-05-06. Service bulletin. EQUIPMENT. This bulletin explains why the compartment lid cannot be closed using the buttons on the key sometimes. |
| A2721372058831_2 | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC P0CA700 or U046900. |
| A1521382053278_7 | 2021-05-06. Service bulletin. ENGINE. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody. |
| A9121862062713_1 | 2021-04-06. Service bulletin. EQUIPMENT. This bulletin contains repair instructions for when there is radio static when the rear heater is active. |
| A9021962062265_2 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update that addresses when the lane departure warning system is sporadically not available with DTC C12D7F0. |
| A5521532062669_1 | 2021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin states that this is a normal condition and to not perform any repairs. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.