Technical Service Bulletins (TSBs) for the 2020 S4 are official communications between Audi & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
This bulletin provides information for when the yellow steering malfunction light is on in the cluster and DTC C110DF0 is stored in the active steering module. Read More »
The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update. Read More »
This bulletin contains repair instructions for repositioning the intermediate steering shaft when there is squeaking noises from the steering column. Read More »
The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update. Read More »
This bulletin contains repair instructions for repositioning the intermediate steering shaft when there is squeaking noises from the steering column. Read More »
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. Read More »
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. Read More »
This bulletin provides information when DTCs B200FF0, B200FF1, B200FF3, or B200FF4, B200FF5 are stored in the J775 suspension control unit. Read More »
This bulletin provides information for when the messages "Air suspension: system fault" or "Shock absorber system/suspension" is shown in the instrument cluster, and one or more of the following DTCs are stored B200FF0, B200FF1, B200FF3, ... Read More »
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
This bulletin provides information for when an unexpected Audi presense front intervention such as a front end warning, a warning jolt, partial braking, or emergency braking occurs and a warning appears in the instrument cluster and ... Read More »
This bulletin states that moisture has been identified on one of the rear brake calipers; this fluid is from the production process of the components and does not require repair. Read More »
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). Read More »
This bulletin provides information for when one or more DC is stored in the ABS control unit related to the parking switch; DTC C100C07 and/or C100C29. Read More »
This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning. Read More »
This bulletin contains repair instructions for when there is an oil leak from the rear of the vehicle and the sealing caps are missing from the pressure limiting valves. Read More »
This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody. Read More »
3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: ... Read More »
This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference. Read More »
This bulletin advises that techs should document the specific o-ring seal that is replaced if a refrigerant leak is found and caused by the o-ring seal. Read More »
This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request. Read More »
This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request. Read More »
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Leak from oil pan USB Trim detached from center console 3. Read More »
This bulletin advises that a small amount of coolant loss is normal. Otherwise, clean and visually inspect the coolant system in the presence of a small leak to verify if a repair is needed, and then to repair a component if it is ... Read More »
Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" ... Read More »
This bulletin describes various conditions that may have arisen due to a leak in the corrugated windshield washer hose, and the associated repair. Read More »
This informational bulletin explains when the range display is empty in the on-board computer. Also A3 Cabriolet 2015-2021, A3 Sportback 2016-2018, 2005 A4 Cabriolet , 2005-2009 S4 Cabriolet, 2010-2012 and 2018-2021 RS5 Cabriolet, ... Read More »
3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: ... Read More »
This bulletin provides information for when the warning "Fault: Limited warning messages" appears in the instrument cluster with DTC B174404. Read More »
This bulletin provides information for when there is an SOS emergency call malfunction; DTC B19BD11 or B18BD13 is stored in the telematics control module. Read More »
3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: ... Read More »
This bulletin provides a software update for instances where saved addresses (including the home address), favorites, last destinations, and/or icon and shortcut order are lost sporadically, the MMI screen turns blue, or becomes stuck on ... Read More »
This bulletin provides information for when the starter battery is discharged, and the vehicle cannot be started due to the front adjustment seat switch becoming jammed. Read More »
This bulletin provides the ODIS test plan for when the vehicle doesn't start, or the ignition cannot be turned on due to a drained 12V battery (A). Read More »
This bulletin provides information in instances when the message "Emergency call function: malfunction! Function restricted. Please contact service" is displayed in the instrument cluster. Read More »
This bulletin provides information for when the 48V battery is in a low voltage protection state and will not accept a charge; DTC P0A7D00 is logged. Read More »
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" Read More »
This bulletin provides information to address when the Audi connect "User management" screen is greyed out, and the customer cannot complete the key user pairing. OR the SOS emergency button is red or flashing read. Read More »
This bulletin describes the ways in which a variety of Audi vehicles connect to Apple Wireless CarPlay, and the methods to troubleshoot connection concerns. Read More »
This bulletin advises that if the configuration wizard in the MMI displays upon startup, the customer can either complete the configuration or deactivate via settings. Read More »
This bulletin describes a condition where the customer may report various LED malfunction indicators are illuminated erroneously due to a hardware defect. Replacing the instrument cluster is recommended. Read More »
Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including OPEN/CLOSED status, repair date as well as criterions at the same time ... Read More »
This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request. Read More »
This bulletin states to create a PSS record when the message "SOS - Emergency call malfunction, please contact service" is displayed in the instrument cluster and DTCs B129B11 and B239C11 are stored in the control module for emergency ... Read More »
This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen. Read More »
Audi connect Section: Moved to end of document. Post-Road Test Section: ADDED Steps: - Verify SOS button is green and Roadside assistance button LED will remain off - It may take up to 20 minutes for the emergency call system to ... Read More »
Vehicle Preparation Section: ADDED: "Perform TSB 2058096/1 '91 Audi connect has no function, SOS LED is off, and SOS warning message in FPK'" 2020 A4 allroad Read More »
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. Read More »
This bulletin provides information when there is a message in the instrument cluster: :Instrument cluster: fault. Limited warning messages. Please contact workshop"; B200096. Read More »
This bulletin provides information for when the warning "Fault: Limited warning messages" appears in the instrument cluster with DTC B174404. Read More »
This bulletin provides information for when the messages "Air suspension: system fault" or "Shock absorber system/suspension" is shown in the instrument cluster, and one or more of the following DTCs are stored B200FF0, B200FF1, B200FF3, ... Read More »
This bulletin advises that if the warning lamp for the damper control in the instrument cluster is on, and DTC B200FF0 is stored to delete the DTC and perform suspension basic settings. Read More »
This bulletin provides an SVM update for when the warning light for the suspension appears in the instrument cluster, and the SVM registers an unknown event when carrying out "Check control unit configuration" and cannot be automatically ... Read More »
This bulletin provides a software update for when "All Wheel Drive Malfunction Message" is displayed in the instrument cluster and DTC U030000 is logged. Read More »
This bulletin provides information on when the message "Instrument cluster: fault. Limited warning messages. Please contact workshop" DTC B200096 may be stored. Read More »
This bulletin provides directions when the SOS malfunction warning is displayed in the instrument cluster accompanied by DTC B200096 or DTCB200000. Read More »
The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update. Read More »
This bulletin describes a condition where the customer may report various LED malfunction indicators are illuminated erroneously due to a hardware defect. Replacing the instrument cluster is recommended. Read More »
This bulletin states to create a PSS record when the message "SOS - Emergency call malfunction, please contact service" is displayed in the instrument cluster and DTCs B129B11 and B239C11 are stored in the control module for emergency ... Read More »
This bulletin contains repair instructions for when there are various malfunction indicator LEDs are sporadically lit in the instrument cluster while driving without DTCs. Read More »
The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update. Read More »
This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen. Read More »
"Vehicle Preparation Section: ADDED additional steps to Perform TSB 2058096/1 "91 Audi connect has no function, SOS LED is off, and SOS warning message in FPK"": - Perform MMI Menu Reset: 5F-Information Electronics >> Guided Functions ... Read More »
This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning. Read More »
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. Read More »
This bulletin contains a software update to address various DTCs regarding a tail lamp warning and the warning may flash quicker after actuation. Read More »
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. Read More »
This bulletin advises that the window washer pump may become blocked due to frozen washer fluid; one more more DTCs may be present: DTCs B126101, B126111, or B126113. Read More »
This bulletin provides information on a software update for when saved addresses, favorites, last destinations, HVAC favorite button assignment, and/or icon and shortcut order are lost sporadically; In rare cases the screen may turn ... Read More »
This bulletin provides information on a software update for when saved addresses, favorites, last destinations, HVAC favorite button assignment, and/or icon and shortcut order are lost sporadically; In rare cases the screen may turn ... Read More »
This bulletin provides information for when there is a malfunction with the garage door opener, Sirius XM, Online radio, or other malfunctions; DTC B129B11, B129C22, B123C13, U044700, or B200000. Read More »
3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: ... Read More »
This bulletin provides information for when the luggage compartment lid cannot be closed using the button(s) in the luggage compartment trim. Read More »
This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. Read More »
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody. Read More »
Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Leak from oil pan USB Trim detached from center console 3. Read More »
Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" ... Read More »
This bulletin provides instructions for when the Audi virtual cockpit display remains blank when the driver's door is opened and the driver enters the vehicle. Read More »
This bulletin provides information for when the luggage compartment lid cannot be closed using the button(s) in the luggage compartment trim. Read More »
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. Read More »
This bulletin advises to ensure that the correct wheels and tires are installed in instances where the Audi pre sense restricted message appears in the absence of DTCs. Read More »
This bulletin advises to ensure that the correct wheels and tires are installed in instances where the Audi pre sense restricted message appears in the absence of DTCs. Read More »
This bulletin advises to ensure that the correct wheels and tires are installed in instances where the Audi pre sense restricted message appears in the absence of DTCs. Read More »
This bulletin advises to ensure that the correct wheels and tires are installed in instances where the Audi pre sense restricted message appears in the absence of DTCs. Read More »
This bulletin provides information regarding vibrations or movement that are felt in the wheel. 2015-2020 A3 Cabriolet, 2016-2018 A3 Sportback, 2008-2009 S4 Cabriolet, 2008 and 2010 RS4 Cabriolet, 2018-2020 A5 Sportback, 2010-2012 and ... Read More »
This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. 2019-2021 A3 Cabriolet, A5 Sportback, RS5 Cabriolet, S5 Sportback, 2021 RS6 Avant Read More »
This bulletin requests that technicians create a record in the Pending Service Solutions database in instances where there is noise from the backrest of the front seat. Read More »
This bulletin provides information for when the starter battery is discharged, and the vehicle cannot be started due to the front adjustment seat switch becoming jammed. Read More »
This bulletin provides information for when the pop-up message for the seat massage function is no longer displayed on the MMI screen when the massage button is pressed. Read More »
This bulletin states to create a PSS record for when the star button is programmed to the front camera views and is lost after a bus sleep cycle. Read More »
This bulletin provides information for when an unexpected Audi presense front intervention such as a front end warning, a warning jolt, partial braking, or emergency braking occurs and a warning appears in the instrument cluster and ... Read More »
This bulletin states to create a PSS record for when the star button is programmed to the front camera views and is lost after a bus sleep cycle. Read More »
This bulletin provides instructions for when the Audi virtual cockpit display remains blank when the driver's door is opened and the driver enters the vehicle. Read More »
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" Read More »
Update the emergency call module control unit and communication unit software. Added claiming and work instructions in the event an Emergency Call Module Control Unit and Communication Unit is faulty. Read More »
Update the emergency call module control unit and communication unit software. Added claiming and work instructions in the event an Emergency Call Module Control Unit and Communication Unit is faulty. Read More »
This bulletin provides information when there is no diagnostics communication to the telematics control module in vehicles with ConBox low; DTC U142100. Read More »
This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster. Read More »
This bulletin provides information for when there is an SOS emergency call malfunction; DTC B19BD11 or B18BD13 is stored in the telematics control module. Read More »
3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: ... Read More »
This bulletin provides a software update for instances where saved addresses (including the home address), favorites, last destinations, and/or icon and shortcut order are lost sporadically, the MMI screen turns blue, or becomes stuck on ... Read More »
This bulletin provides information to address when the Audi connect "User management" screen is greyed out, and the customer cannot complete the key user pairing. OR the SOS emergency button is red or flashing read. Read More »
This bulletin describes the ways in which a variety of Audi vehicles connect to Apple Wireless CarPlay, and the methods to troubleshoot connection concerns. Read More »
This bulletin advises that techs should document the specific o-ring seal that is replaced if a refrigerant leak is found and caused by the o-ring seal. Read More »
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. Read More »
This bulletin describes an error which may arise due to a bug in the software of a customer's phone, which causes the Apple CarPlay screen to appear blank, and for audio drop-outs. Read More »
This bulletin describes a condition where the customer may report various LED malfunction indicators are illuminated erroneously due to a hardware defect. Replacing the instrument cluster is recommended. Read More »
This technical service bulletin informs the reader that damage to the appearance of the leather steering wheel caused by outside influence is not covered under warranty. Read More »
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen. Read More »
This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). Read More »
This bulletin states to create a PSS record when the HomeLink Garage Door Opener is grayed out while driving and the message "A?For your safety, this function is not available while driving"A? is displayed when "A?clicking"A? on it. Read More »
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). Read More »
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
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 ... Read More »
Reminders Section: Changed Testing verbiage to: - Guided Fault Finding must be used, session must be completed and sent to GFF Paperless - Total PDI Test must be completed prior to any other work involving the scan tool (special ... Read More »
This technical service bulletin explains how to determine the status of activation keys (that affect the function of Audi drive select, cruise control, navigation, Bluetooth, smartphone interface and voice recognition), and how to update ... Read More »
This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage. Read More »
REMOVED Q3 40 TFSI from all references due to it not being produced. Additional Maintenance Items: ADDED S6 to Rear Axle - Change fluid every 60K. Read More »
Audi Vehicle Condition Report - This document also applies to the 2020 A3 Cabriolet, S3, A4 Allroad, A5 Sportback, S5 Sportback, TT Roadster, TT RS and R8 Spyder. Read More »
This Pending Service Solution (PSS) requests that technicians create a record in the PSS database in instances where the star button function assignment is lost on the multifunction steering wheel is lost sporadically. Read More »
This bulletin provides information for when there is a malfunction with the garage door opener, Sirius XM, Online radio, or other malfunctions; DTC B129B11, B129C22, B123C13, U044700, or B200000. Read More »
This bulletin provides information related to maintaining the 12V Lead-acid or AGM battery when a vehicle is parked for a prolonged period of time. Read More »
This bulletin provides information on a software update for when saved addresses, favorites, last destinations, HVAC favorite button assignment, and/or icon and shortcut order are lost sporadically; In rare cases the screen may turn ... Read More »
This bulletin provides information on a software update for when saved addresses, favorites, last destinations, HVAC favorite button assignment, and/or icon and shortcut order are lost sporadically; In rare cases the screen may turn ... Read More »
This bulletin provides instructions for when the Audi connect "User management" option is greyed out, or the SOS emergency button is red or flashing red. Read More »
This bulletin advises to create a PSS record in instances where information in the MMI such as last destinations, favorites, and user defined buttons are lost. Read More »
The message "SOS Malfunction - Emergency call malfunction, please contact service" may appear erroneously in the presence of DTCs B129B11 and/or DTC B239C11. No repairs are necessary at this time. Read More »
This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster. Read More »
This bulletin states to create a PSS record for when the star button is programmed to the front camera views and is lost after a bus sleep cycle. Read More »
This bulletin describes an error which may arise due to a bug in the software of a customer's phone, which causes the Apple CarPlay screen to appear blank, and for audio drop-outs. Read More »
This bulletin states to create a PSS provides a workaround to address a concern when last destinations, favorites, and home/work addresses are sporadically lost. Read More »
This bulletin contains instructions for submitting a customer registration form for the Audi phone box to the customer's Mobile Network Operator. Read More »
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
This Pending Service Solution (PSS) requests that a record be added to the PSS database in instances where the radio favorites are lost, shortcuts are greyed out on lower screen with MIB3 vehicles. Read More »
This bulletin provides information for when Apple CarPlay pops up or takes over audio without user intervention in vehicles with the Audi Smartphone Interface. Read More »
This bulletin provides a software update for instances where saved addresses (including the home address), favorites, last destinations, and/or icon and shortcut order are lost sporadically, the MMI screen turns blue, or becomes stuck on ... Read More »
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). Read More »
This bulletin describes an error which may arise due to a bug in the software of a customer's phone, which causes the Apple CarPlay screen to appear blank, and for audio drop-outs. Read More »
Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 3. Read More »
This bulletin describes the registering and pairing process required to utilize the SIM card to activate 3rd generation Audi connect services. Read More »
This informational bulletin contains instructions for when the message "Audi pre sense currently restricted. See owner's manual" is displayed in the instrument cluster without DTCs. Read More »
This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. Read More »
This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning. Read More »
The Pre-Delivery Inspection Technician Reference Document is designed to be a resource used in hand with the Pre-Delivery Inspection Checklist (PDI). Read More »
This bulletin contains instructions for submitting a customer registration form for the Audi phone box to the customer's Mobile Network Operator. Read More »
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. Read More »
This bulletin provides information when there is no diagnostics communication to the telematics control module in vehicles with ConBox low; DTC U142100. Read More »
Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Leak from oil pan USB Trim detached from center console 3. Read More »
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. Read More »
VEHICLE PREPARATION SECTION: ADDED FOR ALL MODELS: "Install front license plate carrier (if necessary) *Retain any removed trim required for carrier installation and give to the customer. Read More »
ADDITIONAL MAINTENANCE ITEMS: ADDED "Change Fluid" at 120,000 miles or 10 years, whichever occurs first to Front Differential - R8 Coupe, R8 Spyder only Read More »
