2012 Audi S4 Technical Service Bulletins

795 technical service bulletins (TSBs) are on record for the 2012 Audi S4. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10189653Mar 29, 2021Equipment. This bulletin contains repair instructions for when there is radio static when the rear heater is active.
• 10189324Mar 19, 2021Equipment. This bulletin contains instructions for addressing an insufficient or uneven heating performance from the HVAC system.
• 10189325Mar 18, 2021Exterior lighting. This informational bulletin contains information on the different shading of LED headlights.
• 10189141Mar 9, 2021Engine cooling. This bulletin contains instructions for determining if a repair is needed when coolant touches a poly V-belt and/or a toothed belt.
• 10187575Feb 25, 2021Brakes, Equipment. This informational contains an explanation for when the customer hears creaking noises when braking at almost standstill (crawling when pulling away or briefly before standstill).
• 10187349Feb 10, 2021Equipment. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
• 10186994Feb 10, 2021Brakes. This technical service bulletin provides troubleshooting for brake noise.
• 10186993Feb 10, 2021Brakes. This informational bulletin provides diagnostic information for brake conditions.
• 10186992Feb 10, 2021Steering. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
• 10186983Feb 9, 2021Equipment. This informational bulletin covers the condition of when license plate mounting bracket threaded inserts are stripped.
• 10186982Feb 9, 2021Wheels. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
• 10187000Feb 4, 2021Equipment. This informational contains instruction on how to document optical concerns for warranty claims.
• 10186945Feb 2, 2021Engine cooling. This bulletin contains instructions for using the UV additive to find engine oil leaks.
• 10186569Jan 25, 2021Brakes. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
• 10185232Dec 18, 2020Equipment, Engine. This bulletin contains instructions for addressing discoloration due to moisture on a new vehicle.
• 10185155Dec 18, 2020Equipment. This special notice is to inform dealers to return the part numbers listed (State of California only).
• 10182051Oct 28, 2020Engine cooling. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
• 10182046Oct 26, 2020Equipment, Electrical system. This bulletin contains a guide for troubleshooting HD radio issues.
• 10181059Oct 5, 2020Engine cooling, Equipment. This bulletin contains instructions for using the UV additive to find engine oil leaks.
• 10180155Sep 24, 2020Wheels, Tires, Equipment. Added new graphic to reflect where to find MY 21 information
• 10180075Sep 15, 2020Equipment. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
• 10179112Aug 27, 2020Equipment, Engine cooling. This information bulletin contains a background on the outside air temperature reading.
• 10179109Aug 26, 2020Engine. This bulletin contains repair instrructions for when there are noises in the engine compartment with DTC P052E00.
• 10178548Aug 10, 2020Equipment. Recall Reminder Part Labels
• 10177761Jul 21, 2020Engine cooling, Equipment. This bulletin contains repair instructions for when there are noises in the engine compartment with DTC P052E00.
• 10177899Jul 20, 2020Engine cooling. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
• 10177300Jul 8, 2020Electrical system. This informational bulletin explains when the range display is empty in the on-board computer.
• 10176873Jun 25, 2020Engine cooling. This bulletin contains instructions for identifying and mixing factory fill coolants.
• 10176408Jun 9, 2020Equipment, Electrical system. This informational bulletin contains instructions on how to use the QR code in a TSB.
• 10176422Jun 3, 2020Equipment. This bulletin contains instructions for correcting the phonebook.
• 10176069May 28, 2020Equipment. This technical service bulletin provides troubleshooting for issues with the navigation map database.
• 10175370May 13, 2020Wheels, Equipment. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing(s).
• 10176067May 12, 2020Equipment. This informational bulletin contains instructions for when a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user searches for a contact name in the MMI address book (by using the MMI control knob or the voice recognition system): *The MMI screen goes blank then restarts. *The MMI screen freezes for a few minutes then recovers.
• 10175961May 8, 2020Visibility (wipers, defrost, mirrors), Equipment. This bulletin provides instructions on how to clean exterior glass.
• 10174962May 6, 2020Engine, Equipment. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
• 10174949May 5, 2020Engine, Fuel system. The informational bulletin explains why during COVID-19 there is winter-blend fuel during a warmer season and causing some issues.
• 10174390Apr 24, 2020Electrical system. This bulletin contains information on noises from the instrument cluster installation area.
• 10174389Apr 24, 2020Electrical system. This information bulletin contains a background on the outside air temperature reading.
• 10184530Apr 16, 2020Equipment. This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly.
• 10174037Apr 16, 2020Engine cooling. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
• 10173838Apr 1, 2020Fuel system. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
• 10173425Mar 12, 2020Equipment. This bulletin contains instructions for vehicle inspection, protection removal, and detailing.
• 10172594Mar 6, 2020Fuel system. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
• 10171830Feb 23, 2020Equipment. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker.
• 10171810Feb 12, 2020Steering. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
• 10169691Dec 20, 2019Equipment, Visibility (wipers, defrost, mirrors). This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
• 10169106Dec 9, 2019Equipment. This informational bulletin contains instructions for when car wash bristles are stuck in the headlights. 2015-2021 A3 Cabriolet, 2015-2018 A3 e-tron, 2011-2021 A4 allroad, 2018-2021 A5 Sportback, 2011-2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 RS6 Avant
• 10169118Dec 6, 2019Equipment, Exterior lighting. Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2004-2006 A7, 2004-2011 S7, 2021 RS6 Avant, 2004-2006 S8
• 10169098Dec 4, 2019Equipment, Tires. New document 2004-2020 A4 allroad, A6 allroad, A8L, R8 Spyder
• 10168734Nov 12, 2019Visibility (wipers, defrost, mirrors). This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct. 2015-2021 A3 Cabriolet, 2016-2018 A3 Sportback, 2018-2021 A5 Sportback, 2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 RS 6 Avant

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