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.

• 10203707Nov 19, 2021Tires, Equipment. This informational bulletin explains how the temporary/collapsible spare wheel inflates.
• 10203598Nov 17, 2021Electrical system. This bulletin contains instructions for when the nav files are corrupted during an update.
• 10203591Nov 12, 2021Electrical system. This bulletin contains instructions for when DTC U030000 appears and “All Wheel Drive Malfunction Message” is displayed in the instrument cluster.
• 10203478Nov 10, 2021Visibility (wipers, defrost, mirrors). This bulletin contains repair instructions for when the rear window defog button will light up and then turn off.
• 10203477Nov 9, 2021Engine. This bulletin contains instructions for addressing intermediate shaft noises that are heard in the engine compartment.
• 10203173Nov 3, 2021Electrical system. 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 call module and communication unit.
• 10202578Oct 26, 2021Engine cooling. This bulletin contains instructions for clearing DTCs P023600 and P060600.
• 10202584Oct 18, 2021Transmission and drivetrain. This bulletin addresses an issue where basic settings cannot be performed as DTC P17F900 is stored in the TCM.
• 10202629Oct 13, 2021Other or unknown. This bulletin states to create a PSS record when last destinations, favorites, and home/work addresses are sporadically lost.
• 10202593Oct 12, 2021Other or unknown. This informational bulletin outlines what is damage due to outside influence on a seat belt.
• 10202211Oct 6, 2021Seats, Body and structure. The informational bulletin explains the technical aspect of enter/exit assistance.
• 10202219Oct 1, 2021Equipment. Informational TSB detailing why the mobile device sometimes cannot be charged wirelessly.
• 10201752Sep 28, 2021Equipment. Dealer Communication - Vehicle Sales Reporting, Reinstatement, and Audit Policy Update - Effective September 30, 2021
• 10201546Sep 22, 2021Equipment. This bulletin contains inspection guidelines for radio interference that causes noises in the speaker.
• 10201515Sep 16, 2021Electrical system, Equipment. This bulletin explains and troubleshoots when Audi connect does not have a green SOS light.
• 10201496Sep 16, 2021Suspension. This bulletin contains repair instructions for DTC B200FF0.
• 10201514Sep 15, 2021Equipment. This bulletin contains instructions for when the nav files are corrupted during an update.
• 10201507Sep 14, 2021Equipment. This informational bulletin details on how to get a GFF test plan for A/C compressor replacements.
• 10201506Sep 14, 2021Air bags. This bulletin contains instructions for when DTC B101C29 and/or B101D29 is stored in the airbag control module.
• 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.
• 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, 2021Suspension, Equipment. 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, 2021Equipment, Seat belts. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10199717Jul 26, 2021Equipment, Fuel system, Engine cooling. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
• 10199368Jul 16, 2021Steering. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
• 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.
• 10199221Jul 12, 2021Equipment, Electrical system, Body and structure. This bulletin contain instructions for addressing issues with the garage door remote and HomeLink.
• 10199216Jul 8, 2021Electrical system. This bulletin contains ODIS instructions for DTC B200096 or B200000 with an SOS malfunction warning displayed in the instrument cluster.
• 10198643Jun 30, 2021Engine cooling, Equipment. 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, 2021Body and structure, Exterior lighting, Equipment. 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.
• 10197903Jun 10, 2021Equipment, Electrical system, Body and structure. This bulletin contains a software update that addresses when the Audi virtual cockpit stays blank when the driver's door is opened with DTC U10C000.
• 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.

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