Service bulletins for the 2021 Audi RS 6 Avant
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.
1085 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A4421862056386_7 | 2022-01-05. Service bulletin. STEERING; SUSPENSION. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. |
|---|---|
| A4021302023187_6 | 2022-01-05. Service bulletin. STEERING. This information bulletin provides an explanation for squeaking noises heard when the steering wheel is turned or maneuvered. |
| A2021392065287_1 | 2022-01-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). There is an internal defect in the EVAP leak detection pump causing false leak detection. |
| A1921262061918_4 | 2022-01-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank. |
| A4421852065474_1 | 2022-01-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:MECHANICAL. This bulletin contains repair instructions regarding a tire pressure monitoring system (TPMS) warning light with DTC U012700. |
| A002155201173212 | 2022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates. |
| A9621742063336_2 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING. This bulletin contains a software update that address when intersection assist/ lane assist are inop with DTC C12BFF0. |
| A9021272064844_1 | 2021-12-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This bulletin contains repair instructions for when the Audi virtual cockpit does not start-up with no DTCs. |
| A4421842065160_1 | 2021-12-07. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; TIRES:TEMPORARY/EMERGENCY SPARE TIRE. This informational bulletin explains how the temporary/collapsible spare wheel inflates. |
| A4121002065161_1 | 2021-12-07. Service bulletin. SUSPENSION. This bulletin contains instructions regarding part number 4K0 941 285 B. |
| A6921732056421_5 | 2021-12-07. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE. This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer. |
| A1921252065040_1 | 2021-12-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This informational bulletin states to check for fluid or residue in the control line when a coolant pump is replaced, this indicates if further repairs need to be undertaken. |
| A9021222064983_1 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to replace the instrument cluster when there is a colorful vertical line (pixel error) in the Audi virtual cockpit. |
| A4821122064018_3 | 2021-12-07. Service bulletin. EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored. |
| A9121442062942_3 | 2021-11-05. Service bulletin. UNKNOWN OR OTHER. This bulletin states to create a PSS record when the detailed interaction map flickers. |
| A9121432063502_3 | 2021-11-05. Service bulletin. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE; UNKNOWN OR OTHER. This bulletin contains a software update that addresses DTC B200FF9 with various driver assist malfunction messages. |
| A9121412064818_1 | 2021-11-05. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI; UNKNOWN OR OTHER. This bulletin contains repair instructions for when it is not possible to establish a bluetooth connection with DTC U110300. |
| A6921722063398_2 | 2021-11-05. Service bulletin. UNKNOWN OR OTHER. This informational bulletin outlines what is damage due to outside influence on a seat belt. |
| A6921712058455_5 | 2021-11-05. Service bulletin. SEAT BELTS. This bulletin contains repair instructions for twisted seat belts. |
| A9021152064692_1 | 2021-11-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a workaround for DTC U131C00 and the HUD not turning on with "The selected system is currently unavailable" message and 12V battery might be drained periodically. |
| A9021142064683_1 | 2021-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains instructions for DTC B200049 when the Audi virtual cockpit is blank. |
| A9421442059217_2 | 2021-10-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This bulletin contains instructions for when the hazard warning lights activate on their own and may not be able to be turned off. |
| A5521602064476_2 | 2021-10-05. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES; EQUIPMENT. This bulletin states to replace the rear lid closing assist motor when DTC B113E29, B12E015, and/or B113E07 are present with one of the conditions. |
| A9121342018187_1 | 2021-10-05. Service bulletin. EQUIPMENT. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker. |
| A5021082061672_2 | 2021-10-05. Service bulletin. EQUIPMENT. This bulletin contains instructions to correcting a creaking noise in the floor area. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.