Service bulletins for the 2020 Audi A8
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.
1291 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| A4021262058460_2 | 2021-09-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for DTC U112100. |
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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. |
| A5721782055932_8 | 2021-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; PARKING BRAKE. This bulletin contains a software update for DTC B122D29 or U122800 or to follow the Campaign. |
| A9121062063497_1 | 2021-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains software updates that address various cluster concerns. |
| 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. |
| A7221342060085_5 | 2021-07-02. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update that addresses the sporadic issue where the front seats move into an implausible position. |
| 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. |
| 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. |
| A9021042063262_1 | 2021-06-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin states to clear DTC U110100 and create a PSS when the night vision system is not working with the message "Night vision assist: fault. Please contact service". |
| A1921162062951_1 | 2021-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for DTCs P218100, P017B00, P017C00, and/or P017E00 when the red coolant warning lamp is on. |
| 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. |
| A9121912062973_1 | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when DTC U142100, U164200, and/or U122C00 are stored in the Gateway module with an SOS malfunction message in the instrument cluster. |
| A9121902056558_2 | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. This informational bulletin contains software update instructions for MIB2+ systems. |
| A9321462062953_1 | 2021-05-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin states that if the vehicle does not start and/or the message “Electrical system: fault. Please contact workshop” (yellow warning lamp) appears in the instrument cluster with DTC P0A9500 then to create a PSS record. |
| 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. |
| 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. |
| A9121812056076_1 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when there is no diagnostics communication with the ConBox. |
| A9121802062466_1 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains instructions about Apple Carplay cannot be started with Wi-Fi. |
| A9121792062480_1 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to clear the DTCs and release the vehicle. |
| A9121782050565_3 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains general software update instructions for vehicles with PR Code 7UH. |
| A9121772056076_1 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when there is no diagnostics communication with the ConBox. |
| A9021952062601_1 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for ghost DTC U110100. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.