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Service bulletins for the 2018 Audi A4

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
A4822312055733_32022-05-05. Service bulletin. STEERING. This bulletin contains repair instructions for repositioning the intermediate steering shaft when there is squeaking noises from the steering column.
A4822302061904_42022-05-05. Service bulletin. STEERING. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
A4822262063546_22022-05-05. Service bulletin. STEERING. This bulletin states how to check for a dynamic steering actuator problem. Solution is under development.
A9122672053258_22022-02-04. Service bulletin. EQUIPMENT:ELECTRICAL; STEERING: STEERING WHEEL/HANDLE BAR. This bulletin includes directions for updating the MIB2 software to address an issue where the programmable steering wheel button, which has been set to "Drive Select" loses its programming.
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.
A4021302023187_62022-01-05. Service bulletin. STEERING. This information bulletin provides an explanation for squeaking noises heard when the steering wheel is turned or maneuvered.
A4421832056386_62021-09-02. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
A3921432059057_42021-08-04. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; STEERING. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
A4821052063527_12021-07-02. Service bulletin. STEERING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for calibrating the steering angel sender G85.
A4821032063546_12021-07-02. Service bulletin. EQUIPMENT; STEERING. This bulletin states how to check for a dynamic steering actuator problem. Solution is under development.
A4821022061904_32021-07-02. Service bulletin. STEERING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
A4821002061904_22021-06-03. Service bulletin. STEERING:STEERING CONTROL MODULE. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
A4821972063041_12021-05-06. Service bulletin. STEERING. This buletin contains a software update when there is a red steering warning lamp and DTC B200000 is stored.
A4821962055733_22021-04-06. Service bulletin. STEERING. This bulletin contains repair instructions for repositioning the intermediate steering shaft when there is squeaking noises from the steering column.
A4421802056386_42021-03-04. Service bulletin. STEERING. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
A3920362059057_22020-12-04. Service bulletin. STEERING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
A4820912053869_42020-11-05. Service bulletin. STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800.
A4020122047920_52020-08-06. Service bulletin. SUSPENSION:FRONT:WHEEL BEARING; STEERING. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
A4020072047920_42020-06-04. Service bulletin. STEERING; SUSPENSION; EQUIPMENT:MECHANICAL. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
A4820852053869_32020-04-02. Service bulletin. STEERING. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. 48 Steering wheel heater is not working, DTC B145504 is stored in the steering column control module.
A4420732056386_32020-03-05. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.

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