Service bulletins for the 2018 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.
796 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| A4424062074846_1 | 2024-09-06. Service bulletin. WHEELS. This bulletin provides information vibrations and rotational steering wheel vibrations. |
|---|---|
| A4424052074843_1 | 2024-09-06. Service bulletin. WHEELS. This bulletin provides information when there is a wheel/tire imbalance. |
| A3924702059057_11 | 2024-09-06. Service bulletin. POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra. |
| A3924682074844_1 | 2024-09-06. 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. |
| A3724242074749_2 | 2024-09-06. Service bulletin. POWER TRAIN. This bulletin provides Service Information: Pulling away in second gear, vehicles with 0D5 or 0D6 gearbox. |
| A3724222074826_1 | 2024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints. |
| A1924652070349_4 | 2024-09-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is a loss of coolant from the coolant pump; V6 TFSI. |
| A0124342074976_1 | 2024-09-06. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when there are functional restrictions or driving behavior due to diesel detected in petrol. |
| A0024902074853_1 | 2024-09-06. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides service information ror when the fuel tank cannot be fully filled. |
| SM 42-2024 | 2024-08-06. Other. STEERING. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| SM 41-2024 | 2024-08-06. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| SM 40-2024 | 2024-08-06. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| SM 39-2024 | 2024-08-06. Other. ENGINE. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| A9124342072959_2 | 2024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when Apple CarPlay pops up or takes over audio without user intervention. |
| A9124322018187_16 | 2024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiton when there are speaker rattles, vibrations or audio interference in the sound system. |
| A9024172059891_7 | 2024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the restricted function icon for Audi pre sense is displayed after the engine starts. |
| A8724812064077_5 | 2024-08-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator. |
| A8224002041717_10 | 2024-08-06. Service bulletin. VISIBILITY/WIPER. This bulletin provides informatin for the GFF test plan that is requied for AC compressor replacements. |
| A7224562064695_4 | 2024-08-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is an entry/exit assistance comfort concern. |
| A5724532027368_6 | 2024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the door handle touch sensors (Audi advanced key) inoperative. |
| A4824682028220_11 | 2024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is visual damage on the steering wheel. |
| A4324922067531_4 | 2024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit. |
| A3924652059057_10 | 2024-08-06. Service bulletin. POWER TRAIN. This bulletin provides informatino when there are vibrations or binding in tight turns with quattro Ultra. |
| A3924642074618_1 | 2024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are vibration or binding in tight turns with quattro Ultra. |
| A3924632059057_9 | 2024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are vibrations or binding in tight turns. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.