2021 Audi A4 Technical Service Bulletins

1,057 technical service bulletins (TSBs) are on record for the 2021 Audi A4. 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.

• 10201505Sep 14, 2021Air bags. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored.
• 10201523Sep 3, 2021Electrical system, Equipment. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10201510Sep 1, 2021Back-over prevention (rear camera). 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.
• 10201491Sep 1, 2021Equipment. This informational bulletin gives instructions for identifying chip tuning.
• 10200716Aug 27, 2021Equipment. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10200703Aug 25, 2021Equipment. 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.
• 10200446Aug 17, 2021Equipment. This bulletin contains information on how addressing the Bluetooth/address book download.
• 10200439Aug 17, 2021Equipment, Steering. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
• 10200445Aug 10, 2021Equipment. This bulletin contains instructions for submitting a customer registration form for the Audi phone box to the customer's Mobile Network Operator.
• 10199946Aug 2, 2021Electrical system. This bulletin states to create a PSS record when last destinations, favorites, and home/work addresses are sporadically lost.
• 10199945Aug 2, 2021Electrical system. This bulletin contains instructions regarding Audi connect software failures and how to resolve it.
• 10199926Aug 2, 2021Suspension. 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.
• 10199925Aug 2, 2021Equipment, Suspension. 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.
• 10199493Jul 27, 2021Seat belts, Equipment. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10199726Jul 26, 2021Equipment, Electrical system. This bulletin contains a software update for when the cluster's driver information system is blank.
• 10199717Jul 26, 2021Engine cooling, Fuel system, Equipment. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
• 10199712Jul 21, 2021Equipment. Additional Maintenance Items: Rear axle, quattro Sport - Change ATF and differential oil. CHANGED "Change Fluids". Every 60,000 miles - Only: RS 5, S6, S7, SQ7, SQ8, RS Q8. Oil Capacity Chart: Changed Q7 45 TFSI 2.0L oil type to "508".
• 10199368Jul 16, 2021Steering. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
• 10199211Jul 14, 2021Electrical system, Engine, Equipment. This bulletin contains repair instructions to address noises or a message in the DIS display.
• 10199217Jul 13, 2021Equipment, Electrical system. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen.
• 10199216Jul 8, 2021Electrical system. This bulletin contains ODIS instructions for DTC B200096 or B200000 with an SOS malfunction warning displayed in the instrument cluster.
• 10198660Jun 30, 2021Electrical system, Equipment. This bulletin contains a software update for when the cluster's driver information system is blank.
• 10198643Jun 30, 2021Equipment, Engine cooling. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.
• 10198567Jun 25, 2021Equipment, Body and structure. This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc.
• 10198480Jun 25, 2021Engine cooling. 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.
• 10198254Jun 23, 2021Equipment. This bulletin contains instructions for when the nav files are corrupted during an update.
• 10198246Jun 23, 2021Equipment, Body and structure, Exterior lighting. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again.
• 10198234Jun 23, 2021Equipment, Exterior lighting. This information bulletin explains how the daylights turn on and off.
• 10198253Jun 21, 2021Equipment, Electrical system. This bulletin states to create a PSS when the MMI display turns blue. Workaround provided.
• 10198186Jun 16, 2021Electrical system, Equipment. This bulletin contains instructions for troubleshooting FoD malfunctions.
• 10197900Jun 9, 2021Equipment, Steering. This bulletin contains instructions for calibrating the steering angel sender G85.
• 10197899Jun 9, 2021Equipment, Engine. This bulletin contains instructions for addressing intermediate shaft noises that are heard in the engine compartment.
• 10197898Jun 9, 2021Equipment, Steering. This bulletin states how to check for a dynamic steering actuator problem. Solution is under development.
• 10197897Jun 4, 2021Electrical system, Equipment, Steering. This bulletin contains repair instruction for when DTC C110DF0 is stored and the yellow steering lamp is on.
• 10197895Jun 4, 2021Electrical system, Suspension. This bulletin contains a software update that corrects the control module configuration and addresses a warning light.
• 10197894Jun 4, 2021Equipment. This bulletin contains repair instructions for DTC B200FF0.
• 10194516May 26, 2021Equipment, Tires, Back-over prevention (rear camera). All models except Q3, R8, and TT: Settings Section: Split Verify and set language & measurements checklist items into 2 separate with instructions. Changed instructions for "Set Entertainment Fad in Parking aid", " Set Music volune while parking to Medium", and "Turn off Manual Seed Warning". Media/Radio/Sat Section: Changed instructions for "Verify HD Radio is turned "off".
• 10194491May 26, 2021Equipment, Electrical system. This bulletin contains an explanation and troubleshooting for the Navigation messages in the instrument cluster.
• 10194490May 26, 2021Electrical system, Transmission and drivetrain. This bulletin contains repair instructions to address noises or a message in the DIS display.
• 10194403May 26, 2021Equipment. Settings Section Split "Verify and Set language & Vehicle Measurements" into two separate checklist items. Post-Road Test Inspection Section: Added "See TSB 2061028" to the end of The vehicle must not be delivered to the customer if the emergency call function has not been successfully activated (LED lights up in green).
• 10194418May 18, 2021Equipment, Electrical system. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
• 10194376May 18, 2021Seat belts. This informational bulletin outlines what is damage due to outside influence on a seat belt.
• 10193583May 13, 2021Equipment, Brakes. This bulletin contains instructions for determining unexpected Audi presense interventions.
• 10193573May 13, 2021Engine cooling, Equipment. This technical service bulletin reminds the reader to check for metal debris when replacing an engine.
• 10193548May 13, 2021Equipment. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage).
• 10193614May 10, 2021Equipment. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward
• 10193228May 6, 2021Visibility (wipers, defrost, mirrors). This bulletin provides instructions on how to clean exterior glass.
• 10193041May 6, 2021Equipment. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
• 10193257May 5, 2021Visibility (wipers, defrost, mirrors). This bulletin explains and troubleshoots when Audi connect does not have a green SOS light.
• 10193251May 4, 2021Body and structure. This bulletin contains instructions for properly cleaning and removing a musty odor in the vehicle.

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