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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

Bulletins, newest first
A9721782061976_12021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains guidance for submitting warranty wiring repairs.
A9321432062211_12021-03-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to create a PSS when the red battery symbol is shown in the cluster with DTC P0B1300 stored.
A9121672061625_22021-03-04. Service bulletin. ELECTRICAL SYSTEM. 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.
A0121982062323_12021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repairs for a wiring issue with DTCs P010600 and P023600 with a possible MIL light and a hesitation, low power or bucking/jerking sensation while driving.
A4421812062246_12021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the tire pressure and temperature is not available in the instrument cluster with DTC C1239F0.
A9121652062115_12021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when the nav files are corrupted during an update.
A9021882061489_22021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to create a PSS record if the driver assistance systems are sporadically not working.
A6821322056298_32021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for dealing with a noise in the dash panel around the MMI display.
A9121612061933_12021-02-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains an explanation for the Navigation message in the instrument cluster.
A4821922061904_12021-02-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
A9020832061689_12021-01-08. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin states to create a PSS record when the acoustical and optical parking aid are unavailable with DTC B107A16 stored.
A9120522056248_22021-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for when the laser scanner alignment is unsuccessful.
A5320042043016_22021-01-08. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES; EQUIPMENT. This bulletin contains repair instructions for when cables are hanging in view with no DTCs.
A3920382060169_22021-01-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when DTC U101300 is logged with sports differential warning lamps or messages.
A0020432061669_12021-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin contains instructions for Audi connect before performing any MMI work.
21A6S6CUSTDEL2021-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Infotainment Section: ADDED: Check radio settings and ensure 'Online additional data' is toggled on and 'online station tracking' is set to Automatic
A9120362061345_12020-12-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains information regarding connectivity issues.
A9020802061489_12020-12-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:ADAS:CONTROL MODULE. This bulletin states to create a PSS record if the driver assistance systems are sporadically not working.
A9120272061257_12020-12-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains instructions regarding Audi connect software failures and how to resolve it.
A9120262058769_32020-12-04. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; EQUIPMENT. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.
21A6S6TECHREPRT2020-11-05. Service bulletin. ELECTRICAL SYSTEM. Driver Assistance Section: ADDED: "Activate rear cross traffic assist (if equipped)"
A9120252059528_22020-11-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains ODIS instructions for DTC B200096 or B200000 with an SOS malfunction warning displayed in the instrument cluster.
A9020782061157_12020-11-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin states to create a PSS as the traffic -sign based speed warning threshold setting is not stored.
A9120242026611_72020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains a guide for troubleshooting HD radio issues.
A9120202061028_12020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin explains and troubleshoots when Audi connect does not have a green SOS light.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.