Service bulletins for the 2021 Audi A6
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.
1342 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Electrical system are shown. Show all
| 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. |
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| A9121152063502_1 | 2021-08-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update that addresses DTC B200FF9 with various driver assist malfunction messages. |
| 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. |
| A9121122059528_3 | 2021-08-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains ODIS instructions for DTC B200096 or B200000 with an SOS malfunction warning displayed in the instrument cluster. |
| A3721042063822_1 | 2021-08-04. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update for when DTC P17E600, P091900, and/or P18CB00 is stored with a selector lever fault and the selector lever does not work. |
| A1321152061461_4 | 2021-08-04. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. This bulletin contains repair instructions to address noises or a message in the DIS display. |
| A9121092063702_1 | 2021-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin states to create a PSS when the MMI display turns blue. Workaround provided. |
| A9121082063290_1 | 2021-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin contains instructions for troubleshooting FoD malfunctions. |
| A9621702063336_1 | 2021-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; LANE DEPARTURE:SOFTWARE. This bulletin contains a software update that address when intersection assist/ lane assist are inop with DTC C12BFF0. |
| A4821022061904_3 | 2021-07-02. Service bulletin. STEERING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on. |
| A1321142061461_3 | 2021-06-03. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION); POWER TRAIN:DRIVELINE:CHAIN/BELT. This bulletin contains repair instructions to address noises or a message in the DIS display. |
| 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. |
| 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. |
| 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. |
| A5721752022032_9 | 2021-05-06. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This technical service bulletin provides troubleshooting information for the vehicle locking system. |
| A2721372058831_2 | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC P0CA700 or U046900. |
| 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. |
| SSP_970893 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. eSelf-Study Program 970893 - Third-generation modular infotainment matrix. |
| A9621632059201_4 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information for when the messages appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD. |
| A9121822062115_3 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when the nav files are corrupted during an update. |
| A9121802062466_1 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains instructions about Apple Carplay cannot be started with Wi-Fi. |
| A9021952062601_1 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for ghost DTC U110100. |
| A9021932056015_2 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This bulletin contains instructions for DTC B170AF1 or DTC B200FF3. |
| A0121992054893_4 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.