Service bulletins for the 2012 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.
795 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| SM 44-2017 EN | 2019-04-01. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward. |
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| A011894 2033001 | 2019-02-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A011893 2033001- | 2019-02-19. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| Maint Flip Chart | 2019-02-19. Service bulletin. EQUIPMENT; TIRES. Revision to Tires-rotate: 5K only; added "(except R8)" |
| A511711 2009967- | 2019-02-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for vehicle inspection, protection removal, and detailing. |
| A351833 2028085- | 2018-10-15. Service bulletin. EQUIPMENT; POWER TRAIN. This bulletin contains instructions for diagnosing transmission leaks and repairing them. |
| A011879 2033001- | 2018-10-15. Service bulletin. EQUIPMENT; ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A371882 2051685- | 2018-09-17. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin contains repair instructions for when DTC P179E00 is stored and the mechantronic unit and/or gear sensor G676 are being replaced. |
| A011862 2050329_ | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This bulletin contains repair instructions for when the MIL is on and there are one of several DTCs stored in the ECM. |
| A201789 2043758- | 2018-04-16. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY. This bulletin instructs the reader to diagnose issues with fuel pressure and to replace the fuel delivery unit with the new kit if the correct DTC and symptom code combination is present. |
| A011852 2050329_ | 2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the MIL is on and there are one of several DTCs stored in the ECM. |
| A011748 2040403- | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This technical service bulletin instructs the reader to replace either a combi valve or vacuum solenoid valve depending on the circumstances under which DTC P244000 and/or P244200 were stored. |
| A011685 2041120- | 2018-03-13. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This bulletin provides information regarding a software update for DTC P042000 and/or P043000. |
| A871679 2041717- | 2018-03-13. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This bulletin applies to any repair that requires replacement of the air conditioning compressor and details how to run a ODIS GFF test plan. |
| A011688 2040403- | 2018-03-13. Service bulletin. ELECTRICAL SYSTEM. This technical service bulletin instructs the reader to replace either a combi valve or vacuum solenoid valve depending on the circumstances under which DTC P244000 and/or P244200 were stored. |
| A4615172027636-1 | 2018-02-05. Service bulletin. SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 15-11 dated June 29, 2015. Customer may complain about brake squeak or squeal with light to moderate pedal pressure from front brakes. |
| A301519 2019850- | 2018-02-05. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. Supersedes Technical Service Bulletin Group 30 number 11-10 dated December 2, 2011. Clutch is not operating properly. Clutch has a burnt smell. Clutch pedal does not fully return to starting position. Incorrect shifting, the revolutions of clutch plate and engine input shaft differ too much, excessive slipping of the clutch, and when the clutch is pressed and an incorrect lower gear is selected, can result in clutch damage. |
| A871567 2041717- | 2018-02-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Customer may report poor performance of A/C system or that the A/C system is inoperative. Any replacement of A/C compressors must include an ODIS GFF test plan confirming a malfunction of the A/C system with documentation of the recovered refrigerant volume. |
| A1915612025303-5 | 2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 14-50 dated June 20, 2014. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service. |
| A0115362041120-2 | 2018-02-05. Service bulletin. ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 01 number 15-26 dated June 30, 2015. The MIL is on. DTC P042000 and/or P043000 (Catalyst system Bank 1/2, Efficiency below threshold) is stored in the engine control module (ECM). The diagnostic limitations were too narrow. |
| A011713 2033001- | 2018-02-05. Service bulletin. EQUIPMENT. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A171782 2010043- | 2018-02-05. Service bulletin. ENGINE. This informational bulletin contains all the the Audi Oil Quality Standards that should be used when doing an oil change. |
| A301722 2019850- | 2018-02-05. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. This technical service bulletin provides guidelines for diagnosing the clutch plate. |
| A441764 2022563- | 2018-02-05. Service bulletin. SUSPENSION:FRONT. This bulletin provides information regarding vibrations or movement that are felt in the wheel. |
| A461486 2022584- | 2018-02-05. Service bulletin. SUSPENSION; AIR BAGS; SERVICE BRAKES, HYDRAULIC. Brake-related vibration and pulsation has several causes that depend on driving style and resulting brake disc temperature, as well as environmental conditions. Both the intensity of the wear of the brake system and the type of wear depend on the operating conditions of the vehicle. The wear of the brake discs is determined by the frequency and intensity of the brake operations. Dirt build-up, exposure to sand, long standing times, and road salt or similar, can also promote wear as well as cause scoring marks on the brake discs. The driving style of the driver also influences the wear of the brake system. An overly-aggressive driving style, which results in frequent sharp braking, can lead to more wear (particularly of the brake pads). A gentle driving style can result in very light brake applications. If the brakes are always applied with little pressure, a rust film and other airborne particles may settle on the brake discs and pads. Firm brake operations can help clean off such build-up from the brakes. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.