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Service bulletins for the 2025 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.

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

By type

By component

By trouble code

Bulletins, newest first
Circular REV1 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Updated “Continental Tire Safety Recall Information” section
Circular 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition.
Dealer REV2 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Summary Providing clarification on how to properly identify affected tires
Dealer REV1 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Updated “Continental Tire Safety Recall Information” section
Dealer launch 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition.
Dealer Adv-faq 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition.
Circular REV2 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Summary Providing clarification on how to properly identify affected tires
Circular REV1 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Updated “Continental Tire Safety Recall Information” section
Circular 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition.
Dealer REV2 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Summary Providing clarification on how to properly identify affected tires
Dealer REV1 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Updated “Continental Tire Safety Recall Information” section
Dealer launch 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition.
Dealer Adv-faq 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition.
Circular REV2 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Summary Providing clarification on how to properly identify affected tires
Circular REV1 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition. Added Canadian market Updated “Continental Tire Safety Recall Information” section
Circular 44CT2024-10-26. Service campaign. UNKNOWN OR OTHER. Continental Tire the Americas, LLC (“CTA”) / Continental Tire (Canada) announced a voluntary recall involving passenger tires after discovering a non-compliance condition.
A9124452059528_122024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an eCall fault / the eCall LED is red with DTC B200000.
A9124432074929_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin proves information when the bluetooth does not work, adaption channel deactivated.
A9124392074855_12024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the calendar function is not available in MIB3.
A9024182064983_92024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaion when the Audi virtual cockpit displays a colorful line (pixel error).
A4824692074847_12024-09-06. Service bulletin. STEERING. This bulletin provides informaiton when the yellow steering lamp illuminates when the engine is started; B200000, B200FF4.
A4424062074846_12024-09-06. Service bulletin. WHEELS. This bulletin provides information vibrations and rotational steering wheel vibrations.
A4424052074843_12024-09-06. Service bulletin. WHEELS. This bulletin provides information when there is a wheel/tire imbalance.
A3924702059057_112024-09-06. Service bulletin. POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
A3924682074844_12024-09-06. Service bulletin. POWER TRAIN. This bulletin provides informiaotn in instances wehre whistling noises are heard at about 100 mph from the rear final drive/propshaft.

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