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Service bulletins for the 2020 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.

1382 on file from NHTSA, as of 2026-10-19.

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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.
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.
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.
A5721732055932_72021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC B122D29 or U122800.
A9021872062065_12021-02-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to replace the instrument cluster control module when DTCs B11E101 and B11E201 are stored in the instrument cluster and night vision respectively.
A9121632060474_22021-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin advises the technician to create a PSS record for when after a software update, with active privacy settings, e.g. "Use of vehicle position", the pop-up window is shown with every ignition cycle. Message persists even if "Do not show again" is selected.
A9121602061817_22021-02-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This bulletin contains a software update that addresses issues with the adaptive driving assistant and DTC C12EBF1 .
A7221312060085_42021-02-04. Service bulletin. SEATS; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that addresses the sporadic issue where the front seats move into an implausible position.
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.
A9120472061029_32021-01-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains s software update for when the lower display flickers.
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.
A7220302060085_32021-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SEATS. This bulletin contains a software update that addresses the sporadic issue where the front seats move into an implausible position.
A9120522056248_22021-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for when the laser scanner alignment is unsuccessful.
A9120562061817_12021-01-08. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that addresses issues with the adaptive driving assistant and DTC C12EBF1 .
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.
A1320112061461_22021-01-08. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION); ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains repair instructions to address noises or a message in the DIS display.
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.
A3920392051558_52021-01-08. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.
A9120372061029_22020-12-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains s software update for when the lower display flickers.
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.
A1320102061461_12020-12-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. This bulletin contains repair instructions to address noises or a message in the DIS display.
A9120292056076102020-12-04. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains instructions for when there is no diagnostics communication with the ConBox.

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