2018 Audi S4 Technical Service Bulletins

797 technical service bulletins (TSBs) are on record for the 2018 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.

• 10233737Mar 23, 2023Equipment. This bulletin provides information on how to update the navigation map.
• 10233489Mar 23, 2023Steering. This bulletin states that squeaking noises which may be more prevalent in wet weather during steering is normal and repair is not needed.
• 10233300Mar 17, 2023Suspension, Brakes. This bulletin provides instruction for when there are noises heard during steering or braking maneuvers.
• 10233302Mar 8, 2023Electrical system, Back-over prevention (rear camera). This bulletin states that it takes about 20 seconds after switching the ignition on for the Audi Pre Sense symbol advising that "Audi pre sense not available at the moment"
• 10232033Feb 20, 2023Electrical system, Other or unknown. This bulletin provides information to address the message "Switch off the engine and check coolant" with the DTC P000000
• 10232049Feb 14, 2023Electrical system. This bulletin provides instructions for when the anti-theft alarm has gone off for no reason, or did not go off at all. No DTCs are stored.
• 10232062Feb 10, 2023Equipment, Air bags. Takata recall and 3G turndown
• 10232038Feb 10, 2023Electrical system, Equipment. This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working.
• 10231592Feb 7, 2023Brakes. This bulletin provides instructions for brake noise analysis and handling.
• 10231590Feb 6, 2023Fuel system, Engine cooling. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
• 10231583Feb 6, 2023Visibility (wipers, defrost, mirrors). This bulletin provides instructions for when the washer solvent level warning is on in the DIS but the washer solvent level is correct.
• 10231019Jan 26, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230988Jan 26, 2023Equipment, Body and structure. This bulletin provides instructions when the black optic exterior trim is discolored.
• 10231011Jan 24, 2023Visibility (wipers, defrost, mirrors). This bulletin provides instructions for when faint images appear on the windshield from the production sticker, or an image of the suction cups used to install the windshield in production.
• 10231016Jan 23, 2023Body and structure. This bulletin provides instructions for when the exterior trim has spots.
• 10230996Jan 20, 2023Equipment, Back-over prevention (rear camera). This bulletin provides instructions for when the customer is unable to program their garage door opener to their vehicle.
• 10230976Jan 20, 2023Vehicle speed control. This bulletin provides instructions for when a vibration is felt in the floor, seat, footwell, pedals or steering wheel while driving at highway speeds from 55 - 80 mph.
• 10230972Jan 20, 2023Equipment. This bulletin provides instructions for when the warning light for suspension illuminates in the instrument cluster.
• 10231069Jan 19, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10231061Jan 19, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230648Jan 17, 2023Visibility (wipers, defrost, mirrors). This bulletin provides directions when the customer describes a problem with the HVAC system DTCs B11AF07 and/or B109207 could be logged as sporadic or static.
• 10230646Jan 17, 2023Visibility (wipers, defrost, mirrors). This bulletin provides instructions for when the customer advises that there is insufficient or uneven cabin heating from the HVAC system.
• 10231029Jan 12, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230790Jan 9, 2023Equipment. This bulletin advises that the MMI screen may freeze, or go blank and then restart when a special character like a symbol or emoticon is used in the name field for contact(s).
• 10230850Jan 5, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230641Jan 5, 2023Body and structure. This bulletin provides instruction for when a customer advises that a visible line of corrosion is forming in the roof.
• 10230640Jan 5, 2023Equipment. This bulletin contains instructions for when the zirconium inserts found to be not firmly attached during service work.
• 10228815Dec 22, 2022Electrical system. Support for Customers Affected by Alternator Back-order
• 10228803Dec 19, 2022Equipment. SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES
• 10228787Dec 9, 2022Latches, locks and linkages. This technical service bulletin provides troubleshooting information for the vehicle locking system.
• 10227171Nov 17, 2022Electrical system, Equipment. This bulletin contains guidance for submitting warranty wiring repairs.
• 10227012Nov 4, 2022Equipment. This bulletin states that due to a software malfunction in Apple iOS Version 16.0.x there are restrictions with bluetooth connection.
• 10225516Oct 21, 2022Equipment. 3G Turndown (91CD) Warranty Claim Documentation
• 10222282Sep 27, 2022Equipment. 3G Turndown (91CD) Activation Support – Activation Rate Improvement Reminder
• 10220388Sep 13, 2022Equipment. This bulletin offers further guidance regarding diagnosis and system information for vehicles with a 48 V electrical system.
• 10220366Sep 13, 2022Equipment. This bulletin provides detailed instructions for diagnosis when DTC P0A7D00 is present.
• 10218680Aug 23, 2022Other or unknown. This bulletin advises to replace the membrane in the breather line in instances where oil found in the engine compartment, front end, and around the filler cap, or a smell is detected.
• 10218600Aug 19, 2022Electrical system. This bulletin contains information for diagnosing the Start/Stop system.
• 10217920Aug 17, 2022Equipment. 91CD Activation Percentage Improvement Support.
• 10217895Aug 11, 2022Brakes. This technical service bulletin provides troubleshooting for brake noise.
• 10217919Aug 9, 2022Equipment. 3G Turndown (91CD) Activation Support
• 10217903Aug 9, 2022Body and structure. This bulletin advises that noises from the trunk lid struts heard during operation are normal and no repair is required.
• 10216491Jul 19, 2022Electrical system, Equipment. This bulletin contains repair information for when there area cables visible in the passenger compartment of the vehicle.
• 10216490Jul 19, 2022Equipment, Steering. This bulletin explains that the steering wheel may warm up while being held leading to the impression that he steering wheel isn't heating evenly.
• 10216047Jul 14, 2022Visibility (wipers, defrost, mirrors). This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
• 10216011Jul 13, 2022Suspension. The bulletin contains diagnosis information for noises on the front end of the vehicle.
• 10216044Jul 5, 2022Equipment, Visibility (wipers, defrost, mirrors). This bulletin provides instructions on how to properly clean exterior glass.
• 10214849Jun 29, 2022Equipment. 91CD Motion for Audi Connect Customer Onboarding
• 10214850Jun 28, 2022Equipment. 91CD Motion for Audi Connect Customer Onboarding Video
• 10214737Jun 9, 2022Electrical system, Other or unknown. This informational bulletin contains instructions on how to download and use the Audi Frequency App.

← All problems reported for the 2018 Audi S4