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Service bulletins for the 2019 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.

1481 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
A3421532064848_12021-11-05. Service bulletin. POWER TRAIN. This bulletin addresses an issue where basic settings cannot be performed as DTC P17F900 is stored in the TCM.
A1321142061461_32021-06-03. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION); POWER TRAIN:DRIVELINE:CHAIN/BELT. This bulletin contains repair instructions to address noises or a message in the DIS display.
A3020302053597_52020-12-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains repair instructions for when there is a leak from the lower bellhousing.
A3920352051558_42020-09-03. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.
A3020282053597_42020-09-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT; POWER TRAIN:CLUTCH ASSEMBLY:BELL HOUSING. This bulletin contains repair instructions for when there is a leak from the lower bellhousing.
A3420482060242_12020-09-03. Service bulletin. POWER TRAIN. This bulletin contains instructions for when DTC P071800 and P081100 are stored with various transmission issues.
A3920342060169_12020-08-06. Service bulletin. EQUIPMENT; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. This bulletin contains instructions for when DTC U101300 is logged with sports differential warning lamps or messages.
A0120692060075_12020-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin contains a software update for when DTC P050700 is stored with a MIL on and high idle RPMs.
Circular97DZREV12020-07-07. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN:AUTOMATIC TRANSMISSION. The transmission wiring harness may not be properly secured, causing it to rub and possibly become damaged. Updated claiming quantity for tape part number N 10592002.
Circular 97DZ2020-07-07. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN:AUTOMATIC TRANSMISSION. The transmission wiring harness may not be properly secured, causing it to rub and possibly become damaged.
A9120612057715_22020-05-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This informational bulletin states that dor DTC U101400 to not perform any repairs and that this does not affect the customer or their experience.
A3420462058928_12020-04-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This bulletin contains instructions for recalibrating the gear sensor when the 'P' displays begin to flicker on the selector display and in the instrument cluster display.
A3720922058450_12020-03-05. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for scuffing or rubbing on the transmission harness that can cause a multitude of DTCs to appear.
A3719912053878_72019-12-06. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, P17F500, P17F400, U008000, and/or U010100.
A3719902053878_62019-12-06. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, P17F500, P17F400, U008000, and/or U010100.
A3719892053878_52019-11-07. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, P17F500, P17F400, U008000, and/or U010100.
A3719882053878_42019-09-09. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, P17F500, P17F400, U008000, and/or U010100.
A3019252053597_32019-07-09. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a leak from the lower bellhousing.
A3019242053597_22019-06-06. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a leak from the lower bellhousing.
A371984 2053878-2019-04-15. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, U008000, and/or U010100.
A371984 2053878-2019-04-08. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, U008000, and/or U010100.
A301923 20535972019-04-08. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a leak from the lower bellhousing.
A371986 205387832019-04-02. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, U008000, and/or U010100.
A371984 2053878-2019-04-01. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin contains repair instructions for when there is a damaged harness with DTCs P17F600, U008000, and/or U010100.
A301923 20535972019-04-01. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when there is a leak from the lower bellhousing.

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