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Service bulletins for the 2009 Audi S4

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.

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

By type

By component

By trouble code

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
A4824612034351_12024-03-06. Service bulletin. STEERING:COLUMN; UNKNOWN OR OTHER. This bulletin contains repair information for when there is a creaking/squeaking from the steering column when steering slowly.
441344202256382024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
441335202256352024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
401335202318732024-03-04. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
441449202256392024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
4414502022563102024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
401440202318742024-03-04. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
481463202822042024-03-04. Service bulletin. STEERING. Steering wheel leather damage, all vehicles
4414562022563112024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
40144020231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
40133520231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
44133620225632024-02-20. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
A4023512023187_72023-04-06. Service bulletin. STEERING. This bulletin states that squeaking noises which may be more prevalent in wet weather during steering is normal and repair is not needed.
A4822342065978_22022-08-03. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. This bulletin explains that the steering wheel may warm up while being held leading to the impression that he steering wheel isn't heating evenly.
A4422922022563212022-06-07. Service bulletin. STEERING. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
4413442022563 82021-12-13. Service bulletin. SUSPENSION; TIRES; WHEELS; STEERING. Customer feels vibration in the seat, vehicle floor, footwell, pedals, or steering wheel.
A441969 20225632019-04-08. Service bulletin. STEERING. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
A451408 2033412-2017-12-14. Service bulletin. STEERING; ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 45 number 13-07 dated September 25, 2013. Steering wheel does not lock. Various warning lights are on. Steering feels stiffer than usual. The engine cannot be switched off. The ignition key cannot be removed. There are DTC entries present in the system (either static or sporadic). DTCs with description ?Brake control module - no signal/communication? are present in several control units. DTCs are stored in the ABS control module. This condition does not result in any drivability concerns. The steering system is fully connected. The insulation for the ABS wheel speed sensor is damaged in production. Over time, this can lead to corrosion on the wires and restricted functions with the ABS control module. Only the wires in the left bulkhead grommet are affected.
A481347 2034351-2017-12-05. Service bulletin. STEERING. Supersedes Technical Service Bulletin Group 48 number 13-45 dated July 10, 2013. Customer may report hearing creaking or squeaking noise from the steering column when steering slowly (the noise can be duplicated while the vehicle is stationary if the steering wheel is turned slowly). The noise may get louder at higher temperatures or when the vehicle is driven for a longer period of time. The noise comes from the sealing sleeve/steering column opening on the bulkhead. Listen to the attached audio file for example of the noise. Insufficient lubrication of the intermediate steering shaft in the area of the sealing sleeve.
A481345 2034351-2017-12-05. Service bulletin. STEERING. Customer may report hearing creaking or squeaking noise from the steering column when steering slowly (the noise can be duplicated while the vehicle is stationary if the steering wheel is turned slowly). The noise may get louder at higher temperatures or when the vehicle is driven for a longer period of time. The noise comes from the sealing sleeve/steering column opening on the bulkhead. Listen to the attached audio file for example of the noise. Insufficient lubrication of the intermediate steering shaft in the area of the sealing sleeve.
A971335 2033412-2017-11-17. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING. Steering wheel lock does not work. Various warning lights are on. Steering feels stiffer than usual. The engine cannot be switched off. The ignition key cannot be removed. DTC with description "Brake control unit, no signal/communication" is present in several control units. DTC entry in ABS Control unit, J104 (03). One or more may be present. This condition does not result in any drivability concerns. The steering system is fully connected. This condition does not result in any drivability concerns. The steering system is fully connected. The insulation for the ABS wheel speed sensor is damaged in production. Over time, this can lead to corrosion on the wires and restricted functions with the ABS control module. Only the wires in the left bulkhead grommet are affected.
A481457 2034351-2017-11-08. Service bulletin. STEERING; WHEELS. Supersedes Technical Service Bulletin Group 48 number 13-47 dated August 2, 2013. Customer may report hearing creaking or squeaking noise from the steering column when steering slowly (the noise can be duplicated while the vehicle is stationary if the steering wheel is turned slowly). The noise may get louder at higher temperatures or when the vehicle is driven for a longer period of time. The noise comes from the sealing sleeve/steering column opening on the bulkhead. Listen to the attached audio file for example of the noise. Insufficient lubrication of the intermediate steering shaft in the area of the sealing sleeve.
A451307 2033412-2017-10-31. Service bulletin. STEERING. Supersedes Technical Service Bulletin Group 97 number 13-35 dated March 27, 2013. Steering wheel does not lock. Various warning lights are on. Steering feels stiffer than usual. The engine cannot be switched off. The ignition key cannot be removed. There are DTC entries present in the system (either static or sporadic). DTCs are stored in the ABS control module. This condition does not result in any drivability concerns. The steering system is fully connected. The insulation for the ABS wheel speed sensor is damaged in production. Over time, this can lead to corrosion on the wires and restricted functions with the ABS control module. Only the wires in the left bulkhead grommet are affected.

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