Service bulletins for the 2021 Audi A6 allroad
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.
1070 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A4022322059474_3 | 2022-02-04. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). |
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| A3522422064312_3 | 2022-02-04. Service bulletin. UNKNOWN OR OTHER; PARKING BRAKE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This repair bulletin describes the process to address a DTC stored in the transmission control module |
| A9021322065490_1 | 2022-01-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to replace the instrument cluster when DTC B200FF0 is stored and SAFE CP is displayed in the Audi virtual cockpit. |
| A6921752056421_6 | 2022-01-06. Service bulletin. AIR BAGS; AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE. This informational bulletin contains instructions on when DTC B101C07 is stored in the airbag control module/ safety computer. |
| A9121552062266_4 | 2022-01-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin states to create a PSS record when last destinations, favorites, and home/work addresses are sporadically lost. |
| A9021292065284_1 | 2022-01-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin contains repair instructions for when the Audi virtual cockpit is blank with DTC B200049. |
| A8721182061277_2 | 2022-01-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin contains repair instructions for when the A/C cooling is diminished or the compressor is noisy. |
| A6621812065342_1 | 2022-01-06. Service bulletin. STRUCTURE: UNDERRIDE. This bulletin contains repair instructions for when the customer opens the rear lid with standing water on the vehicle after a rain or car wash the residual water splashes into the cargo area. |
| A5721872063236_2 | 2022-01-06. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This bulletin contains diagnosis information for when the front and/or rear doors cannot be opened and there maybe be various DTCs associated. |
| 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. |
| 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. |
| A002155201173212 | 2022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates. |
| A9721822061976_2 | 2021-12-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin contains guidance for submitting warranty wiring repairs. |
| 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. |
| A9121502062115_7 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains instructions for when the nav files are corrupted during an update. |
| 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. |
| 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. |
| A9121472061625_3 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to create a PSS record when the message "SOS - Emergency call malfunction, please contact service" is displayed in the instrument cluster and DTCs B129B11 and B239C11 are stored in the control module for emergency call module and communication unit. |
| A9021212060332_4 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for creating a PSS record when DTC C12D5FA is stored and the driver assist systems are inoperable and a warning message is displayed. |
| A9021192061689_2 | 2021-12-07. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin states to create a PSS record when the acoustical and optical parking aid are unavailable with DTC B107A16 stored. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.