2020 Audi A4 Technical Service Bulletins

1,071 technical service bulletins (TSBs) are on record for the 2020 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.

• 10244467Oct 13, 2023Electrical system. This bulletin provides instructions regarding unauthorized chip tuning (TD1).
• 10244320Oct 13, 2023Equipment, Electrical system. This bulletin provides information for when unauthorized/unjustified DTC memory entries are captured in ODIS test Plans (Ghost faults).
• 10243951Oct 9, 2023Visibility (wipers, defrost, mirrors). This bulletin provides information for when the outer perimeter seal is loose on the panoramic sunroof opening.
• 10243949Oct 9, 2023Engine cooling. This bulletin provides information for when there are vibrations or binding in tight turns with quattro Ultra.
• 10243938Oct 9, 2023Equipment. This bulletin provides details on the VIN-4-PIN program.
• 10243930Oct 4, 2023Equipment. This bulletin provides information on the additional reporting requirements for safety related inquiries.
• 10243973Oct 2, 2023Visibility (wipers, defrost, mirrors). This bulletin provides information on repairing the corrugated hose for the windshield washer system.
• 10242918Sep 20, 2023Engine cooling. This bulletin provides information for when there is a coolant leak on a 2.0L engine.
• 10242949Sep 18, 2023Brakes. This bulletin provides information for when the brakes creak at an almost standstill.
• 10242948Sep 18, 2023Brakes. This bulletin provides information on brake pulsation diagnostic guidelines.
• 10242946Sep 18, 2023Brakes. This bulletin provides information on brake pulsation diagnostic guidelines.
• 10242945Sep 15, 2023Brakes. This bulletin provides information on for when there is corrosion on the friction surface of a steel brake disc.
• 10242940Sep 15, 2023Steering. This bulletin provides information for when a steering wheel shimmy, vibration, and/or oscillation is reported.
• 10242942Sep 14, 2023Brakes. This bulletin provides information on brake noise analysis and handling.
• 10242906Sep 13, 2023Equipment. This bulletin provides information on workshop mode with Audi connect vehicles.
• 10242920Sep 8, 2023Equipment. This bulletin provides information for document requirements before replacing a 12v battery.
• 10242939Sep 7, 2023Body and structure. This bulletin provides information for when there are noises from the front end dash panel when the vehicle is moving.
• 10242938Sep 7, 2023Transmission and drivetrain. This bulletin provides information for when there are noises and/or vibrations in tight turns.
• 10242903Sep 7, 2023Engine cooling. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
• 10241438Aug 25, 2023Electrical system. This bulletin provides information for when the warning "Fault: Limited warning messages" appears in the instrument cluster with DTC B174404.
• 10241235Aug 24, 2023Exterior lighting. This bulletin provides information for when there are various malfunction LEDs lit sporadically without any DTCs stored.
• 10241458Aug 23, 2023Equipment. This bulletin provides information for when the customer has concerns about the navigation route guidance.
• 10241456Aug 18, 2023Electrical system, Equipment. This bulletin contains instructions to reinstall the navigation database in the presence of DTC B126CF1 stored in the 005F.
• 10241433Aug 18, 2023Visibility (wipers, defrost, mirrors). This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
• 10241429Aug 10, 2023Body and structure. This bulletin provides information for an entry/exit assistance comfort concern.
• 10241454Aug 9, 2023Equipment. This bulletin provides information for various connectivity via bluetooth, AMI, or ASI when using CarPlay with Apple iOS devices.
• 10241452Aug 8, 2023Equipment, Electrical system. This bulletin provides information for when the key user pairing process or myAudi login cannot be completed in the vehicle.
• 10241439Aug 8, 2023Electrical system, Equipment. This bulletin provides information for when there is an SOS emergency call malfunction; DTC B19BD11 or B18BD13 is stored in the telematics control module.
• 10241428Aug 8, 2023Body and structure. This bulletin provides instructions for disabling and reengaging the gesture controlled rear lid (virtual pedal).
• 10241420Aug 8, 2023Engine. This bulletin provides information when there are noises from the front end and dash panel when the vehicle is moving.
• 10241425Aug 4, 2023Steering. This bulletin provides information for when the steering wheel heating does not heat up sufficiently.
• 10241422Aug 4, 2023Tires, Equipment. This bulletin provides information for when the collapsible wheel does not fully inflate using the toolkit.
• 10241421Aug 4, 2023Suspension. This bulletin provides information for when there is a rattle noise from the rear suspension.
• 10240199Jul 24, 2023Equipment. This bulletin provides information for when the MIB3 pop-ups for massage functions are not displayed when the massage button is pressed.
• 10240154Jul 19, 2023Electrical system. This bulletin provides information for when there is noise from the area around the instrument cluster.
• 10240152Jul 19, 2023Visibility (wipers, defrost, mirrors). This bulletin provides information on the GFF test plan required when replacing the A/C compressor.
• 10239690Jul 19, 2023Forward collision avoidance, Brakes. 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 audibly.
• 10239686Jul 19, 2023Visibility (wipers, defrost, mirrors). This bulletin provides information for when exterior glass cleaning is needed.
• 10240212Jul 17, 2023Visibility (wipers, defrost, mirrors). This bulletin provides information for when the washer solvent level warning is on.
• 10240160Jul 17, 2023Equipment. This bulletin provides information for when the Apple CarPlay screen is blank.
• 10238397Jun 30, 2023Seat belts. This bulletin provides information for when the seatbelt is hard to latch in the belt buckle.
• 10238396Jun 30, 2023Air bags. This bulletin provides information for when the airbag warning light is on and DTC B13BCF2 is stored in the airbag control module.
• 10238358Jun 29, 2023Steering. This bulletin provides information for when noises are heard inside the vehicle via the intermediate steering shaft.
• 10238357Jun 29, 2023Steering. 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.
• 10238354Jun 29, 2023Steering. This bulletin provides information for when there is an active steering malfunction with DTC B200FF0.
• 10238318Jun 29, 2023Steering. This bulletin provides information for when there are squeaking noises from the rubber boot of the intermediate steering shaft.
• 10238235Jun 20, 2023Brakes. 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.
• 10238233Jun 20, 2023Steering. This bulletin provides information for instances where the steering wheel leather is damaged.
• 10238289Jun 16, 2023Equipment, Electrical system. This bulletin provides information for when wireless charging with the Audi Phone Box does not work.
• 10238273Jun 15, 2023Engine cooling. This bulletin provides information on checking for debris when replacing an engine.

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