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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: Suspension are shown. Show all

Bulletins, newest first
A4222472065993_12022-03-04. Service bulletin. SUSPENSION. This bulletin describes a noise that may occuf when the suspension compresses and the associated repair procedure.
A4022322059474_32022-02-04. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4421862056386_72022-01-05. Service bulletin. STEERING; SUSPENSION. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
A4121002065161_12021-12-07. Service bulletin. SUSPENSION. This bulletin contains instructions regarding part number 4K0 941 285 B.
A4321552063660_22021-10-05. Service bulletin. SUSPENSION. This bulletin contains instructions for when DTC C11AFF0 is stored.
A4221462038689_52021-09-02. Service bulletin. SUSPENSION. This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps.
A9421412056219_32021-08-04. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for repairing a wiring harness based on certain DTCs for vehicles with and without the suspension control module.
A4321452062932_12021-05-06. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. This informational bulletin states to use a special tool if the ODIS tester computes the compressor output as over 25 bar and it is not at 25 bar.
A3921402059057_32021-03-04. Service bulletin. WHEELS; SUSPENSION. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
A4321442061907_12021-02-04. Service bulletin. SUSPENSION; EQUIPMENT. This informational bulletin provides information regarding the permissible tolerance.
A4020222058421_32021-01-08. Service bulletin. STEERING; SUSPENSION. This bulletin contains repair instructions for when there is squeaking and creaking when steering or during suspension movement.
A4020132059474_22020-08-06. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; EQUIPMENT. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4220442038689_42020-06-04. Service bulletin. EQUIPMENT; SUSPENSION. This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps.
A4020062059474_12020-06-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4020042047920_32020-06-04. Service bulletin. SUSPENSION. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
A401994 205438612019-04-02. Service bulletin. SUSPENSION. This informational bulletin contains instructions for front suspension noises at PDI.
A441969 20225632019-04-01. Service bulletin. SUSPENSION. This bulletin provides information regarding vibrations or movement that are felt in the wheel.

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