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Service bulletins for the 2011 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.

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

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Bulletins, newest first
A961501 2019260-2017-11-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Supersedes Technical Service Bulletin Group 96 number 13-67 dated July 10, 2013. The customer may report that the handheld transmitter cannot be programmed to the garage door opener control module, J530. The customer?s door opener system may not be compatible with J530. The battery in the handheld transmitter may be too weak for a good signal. The battery charge may be sufficient to operate the garage door opener, but not enough to program the remote transmitter to the vehicle system. The battery in the handheld transmitter may be too weak for a good signal. The battery charge may be sufficient to operate the garage door opener, but not enough to program the remote transmitter to the vehicle system. In A4 model years 2005?2006 and A3 model year 2009, the actual location of the garage door opener control module differs from the location shown in the owner's manual (opposite side of front bumper). The customer may misunderstand the programming procedure, particularly if the customer?s HomeLink® opener system is using an alternate code. The handheld transmitter?s programming function may become inoperative, or the transmitter is too far away from J530. Interference prevents the communication between handheld transmitter and J530. Interference prevents the communication between handheld transmitter and J530. If the vehicle flashes during the programming of a handheld transmitter, this does not necessarily indicate that the programming was successful; it only indicates that the vehicle has recognized and saved a signal.
A461522 2027636-2017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Supersedes Technical Service Bulletin Group 46 number 15-21 dated September 11, 2015. Customer may complain about brake squeak or squeal with light to moderate pedal pressure.
A461521 2027636-2017-11-17. Service bulletin. SERVICE BRAKES. Supersedes Technical Service Bulletin Group 46 number 15-17 dated July 14, 2015. Customer may complain about brake squeak or squeal with light to moderate pedal pressure.
A351518 2028085-2017-11-17. Service bulletin. STRUCTURE:BODY. Supersedes Technical Service Bulletin Group 35 number 13-12 dated June 18, 2013. Customer may report that there is oil leaking under the vehicle. Leaking from the oil pan seal. Crack in the oil pan. Leak between gearbox housing and intermediate housing. The source of the leak may be confused with o-ring of drain plug.
A191562 2025303-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 15-61 dated July 7, 2015. 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.
A171565 2038129-2017-11-17. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 17 number 15-63 dated June 2, 2015. A check with the engine oil service dipstick T40178 is necessary, but the adjustment values for the dipstick are not available in the Elsa repair manual. Because of a system change, the adjustment values for the service dipstick T40178 were removed from the repair manual.
Scheduled Maint2017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This document contains the scheduled maintenance intervals. The first scheduled service is due at 5,000 miles (8,000 km) or 1 year after delivery, whichever occurs first. Thereafter, all remaining scheduled services are due every 10,000 miles or 1 year after previous service, whichever occurs first.
A461525 2022584-2017-11-17. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 14-86 dated July 14, 2014. DO NOT use this TSB if there is another TSB for same concern applicable to the VIN. This TSB is only intended for diagnostic purposes and does not serve as a guideline for determining warrantable conditions. Customer may report that the steering wheel vibrates or pulsates when the brakes are applied. driving style, environmental conditions, and service history of the vehicle. Additionally, as brake pads and discs wear, their dampening ability is reduced. Disc thickness variation (DTV) is a common condition that contributes to brake pulsation. DTV occurs when the two braking surfaces of the brake disc are no longer parallel to each other. This condition cannot be accurately measured with normal workshop tools.
A441557 2022563-2017-11-17. Service bulletin. SUSPENSION. Supersedes Technical Service Bulletin Group 44 number 14-56 dated December 8, 2014. Customer feels vibration in the seat, vehicle floor, footwell, pedals, or steering wheel. This condition does not lead to any handling concerns or loss of vehicle control. Customer feels the vibration while driving at highway speeds from 55 ? 80 mph (88 ? 128 km/h). This bulletin is not applicable if this vehicle has a Repair Authorization on this topic. If an applicable Repair Authorization is not followed, the claim will not be paid. Tires with higher mileage and/or wear should be inspected to determine the best correction for the issue (repair or replacement). Tire life and condition should be determined prior to starting any diagnosis or repair for a vibration.
A911529 2013422-2017-11-17. Service bulletin. ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 91 number 13-04 dated September 11, 2013. The Bluetooth® telephone cannot be connected to the vehicle?s Infotainment system. Certain restrictions are present when a Bluetooth device is connected to the vehicle. The restrictions vary depending on the vehicle system present.
A911526 2042097-2017-11-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). The traffic feature in the MMI navigation is inoperative. If the vehicle is a model year 2016 A6 or A7, see TSB 2042013: 91 Audi connect online destination search, Google Earth navigation view, or INRIX online traffic is not available. There is a known server issue that can only be resolved through a change to the Audi AG backend server. Audi has changed traffic providers over the years as new technologies have developed. This bulletin provides an overview of the different systems and the basic checks that can be performed to diagnose complaints related to traffic in the MMI navigation system.
A401549 2018194-2017-11-17. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; SUSPENSION:REAR:SHOCK ABSORBER. Supersedes Technical Service Bulletin Group 40 number 14-41 dated July 2, 2014. Oil appears on one or several shock absorbers. Oil may appear on a shock absorber As a result of a leak because the shock absorber is damaged. Oil may appear on a shock absorber As a result of residue from when the shock was filled during production, or as a result of slight condensation in the seal area. This small amount of oil is for lubrication and it reduces wear on the seal.
A201559 2011703-2017-11-17. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. Supersedes Technical Service Bulletin Group 20 number 13-29 dated November 15, 2013. The fuel tank has been removed from the vehicle and must be neutralized before shipment or disposal. When the fuel tank in a vehicle is replaced, the original tank must be properly flushed to neutralize the remaining gasoline or diesel fuel.
A171568 2028440-2017-11-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. Supersedes Technical Service Bulletin Group 17 number 14-49 dated April 3, 2014. When the vehicle is completely refueled, the vehicle range (?distance to empty?) that is displayed is different than the vehicle range that was displayed the last time the vehicle was completely refueled. The displayed vehicle range drops inconsistently. After the vehicle is refueled, the displayed vehicle range does not change for a long period of time. When the vehicle is driven on hilly roads for a long period of time, the displayed vehicle range suddenly changes by a significant amount. There are no DTCs related to fuel senders stored in the instrument cluster control module, J285 (address word 17). This condition does not involve or affect the accuracy of the fuel level indicator, but only the estimated distance to empty display on the on-board computer.
A001578 2021205-2017-11-17. Service bulletin. EQUIPMENT:OTHER:LABELS. Supersedes Technical Service Bulletin Group 00 number 10-05 dated June 14, 2010. VIN plate and/or B-Pillar Safety Certification label requires replacement.
Dealer Letter-Da2017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This document contain information on the upcoming emissions service action 17F9 in regards to the crankcase pressure regulating valve.
Campaign Circula2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). On certain Audi vehicles with 2.0L TFSI engine, the diaphragm of the crankcase pressure regulating valve may have been damaged. Inspect and, if necessary, install a repair kit for the crankcase pressure regulating valve.
Campaign Circula2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). On certain Audi vehicles with 2.0L TFSI engine, the diaphragm of the crankcase pressure regulating valve may have been damaged. Inspect and, if necessary, install a repair kit for the crankcase pressure regulating valve.
A911524 2026611-2017-11-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Supersedes Technical Service Bulletin Group 91 number 12-46 dated July 10, 2012. This Technical Bulletin provides an overview of HD Radio technology and terminology. The
A011309 2014753-2017-11-17. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Supersedes Technical Service Bulletin Group 00 number 10-01 dated February 5, 2010. Excessive accumulation of deposits on intake valves, intake manifold, fuel injectors and combustion chambers. Engine runs rough after cold start. Excessive engine cranking time. Hesitations while driving. Rough engine idle. Reduced engine performance. Poor fuel economy. Conditions may be severe enough to illuminate the MIL in conjunction with storage of DTCs for misfire (example: P0300, P030x) and / or lean fuel system (example: P0171, P0174, P1128, P1130, P1136, P1138) in the engine control module (ECM). Condition may be caused by use of contaminated gasoline. Condition may be caused by use of gasoline with a low content of deposit control additives.
A191341 2025303-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 13-35 dated March 25, 2013. 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.
A301318 2028229-2017-11-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Supersedes Technical Service Bulletin Group 30 number 11-11 dated December 9, 2011. Customer may report that the vehicle does not start or only starts when the clutch pedal is pressed very firmly. The message ?Press clutch pedal to start vehicle? may appear in the instrument cluster. There may be clutch mechanism wear.
A351311 2027363-2017-11-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Supersedes Technical Service Bulletin Group 35 number 11-02 dated November 8, 2011. Harsh downshifting multiple gears 7-5, 4-3, 2-1. This may happen during just one of these shifts. A bump felt after coming to a stop (2-1 down shift). Fluctuating engine speed after 5-4 shift with accelerator at 80-100% accelerator pedal position (kick-down). The driver information system displays the message "Gearbox complaint! Journey can be continued." After a key cycle the complaint is fixed. The vehicle was parked in gear lever position N and the ignition switched off. DTC P1724 (signal for immobilizer, short circuit to ground) is logged in the transmission control module, J217 (address word 02). Incorrect transmission software.
A351312 2028085-2017-11-17. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION). Supersedes Technical Service Bulletin Group 35 number 13-09 dated April 1, 2013. Customer may report that there is oil leaking under the vehicle. Leaking from the oil pan seal. Crack in the oil pan. Leak between gearbox housing and intermediate housing. The source of the leak may be confused with o-ring of drain plug.
A371308 2034163-2017-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Customer may report that the transmission does not work correctly. Shortly after a cold start, the following message appears in the instrument cluster display: ?Gearbox Malfunction! Journey can be continued?. The gearbox is in limp mode until the key is cycled. The issue is very sporadic and cannot be reproduced with a test drive. DTC P17E1 (Gear positioner 2 mechanical malfunction) with DFCC 9473 is stored in the transmission control module, J743 (address word 02). The DFCC is the 4-6 digit code that is typically listed before the fault code. Software error in the transmission control module.

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