Service Bulletins
Manufacturer Technical Service Bulletins (TSBs) issued to authorized dealers — software updates, repair procedures, fault-code fixes, and warranty coverage details for current and recent model years.
2021 Audi Tire Chain Information and Restrictions
This Audi Service Information document (NHTSA ID 10180155) provides crucial details on tire chain usage for 2021 Audi and Volkswagen models. Learn which tire/wheel combinations are compatible with snow chains, restrictions for FWD vs. Quattro, and important considerations for ultra-high…
2021 Audi e-tron Engine Shaft Seal Special Notice SM 56-2020
Audi has issued Special Notice SM 56-2020 for the 2021 e-tron, addressing an incorrect engine shaft seal installation. This notice instructs dealers to inspect engines for a specific radial shaft seal (OEF-901-302-B) and return any incorrectly installed parts to ensure proper vehicle function.
2021 Audi e-tron Maintenance Schedule Overview
This document, identified as NHTSA ID 10180342, provides the official maintenance schedule for the 2021 Audi e-tron electric vehicle. It details essential minor, standard, and additional service items, along with their recommended intervals, to ensure your vehicle's optimal performance and…
2021 Audi Lineup Tire Pressure Table TSB
Audi has released a service bulletin (NHTSA ID 10180475) providing a comprehensive tire pressure table for various 2021 models under normal load conditions. This document lists recommended front and rear tire pressures for a wide range of tire sizes and vehicle configurations, though some entries…
2021-2022 Audi pre sense Restricted Function Icon TSB
If your 2021-2022 Audi displays an 'Audi pre sense restricted function icon' or 'Audi pre sense not available at the moment' message after engine start, don't worry. Technical Service Bulletin 90 20 73 2059891/3 clarifies that this is normal operation as the front camera for driver assist systems…
2021 Audi Driver Assist System Malfunction TSB
A Technical Service Bulletin (TSB 90 20 75 2060332/2) addresses an Audi driver assist malfunction in 2021 Audi vehicles, where driver assistance systems become inoperable and DTC C12D5FA is stored. This issue is due to an overly sensitive diagnostic function, with a permanent software solution…
2021 Audi e-tron, Q3, Q8 Sunroof Water Leak TSB
Audi has released Technical Service Bulletin 2056944/4 for 2021 Audi e-tron, Q3, and Q8 models addressing water entry into the cabin from the sunroof area. Owners may notice water dripping from the headliner. The TSB outlines inspection and repair procedures for drain hoses, seals, and glass panels.
2021-2022 Audi Overhead View Camera Inoperative TSB 2055188/3
Audi has released Technical Service Bulletin 2055188/3 to address issues with inoperative or blurry overhead view cameras in 2021-2022 A6, A7, Q7, Q8, e-tron, and other models. This TSB covers various DTCs, including B127C04 and B200FFA, and outlines diagnostic and repair procedures.
2021-2023 Audi Connect SOS LED Not Green TSB
If your 2021-2023 Audi's SOS LED is off or flashing red, and Audi connect services aren't working, this Technical Service Bulletin (TSB 91 20 20 2061028/1) provides detailed troubleshooting steps. Learn why your GEN3 Audi connect system might experience activation delays and how to resolve them.
2021 Audi e-tron Implausible Range Display TSB
Owners of the 2021 Audi e-tron may experience an implausible range display, where the estimated battery range deviates significantly from the actual expected range, even when fully charged. This Technical Service Bulletin (TSB 2060814/1) outlines the symptoms and the necessary repair.
2021-2022 Audi HD Radio Troubleshooting Guide
This Audi Technical Service Bulletin (TSB 91 20 24 2026611/7) provides an overview of HD Radio technology and common troubleshooting concerns for 2021-2022 Audi models. It addresses issues like poor reception, blending, audio misalignment, and radio text display problems.
2021-2022 Audi Steering Wheel Heater Not Working TSB
Audi has issued Technical Service Bulletin 2053869/4 for 2021-2022 models experiencing a non-functional heated steering wheel or a warning light. This TSB addresses DTC B145504, which indicates a defective temperature sensor. The fix involves clearing the fault code, not replacing the steering…
2021 Audi Lineup Speed Warning Threshold Settings Lost TSB
A software bug in the J1121 control unit can cause the traffic sign based speed warning threshold settings to be lost in certain 2021 Audi models, including the e-tron, A6, A7, Q7, and Q8. Audi's Technical Service Bulletin 90 20 78 2061157/1 describes the issue and upcoming fix.
2021 Audi SOS Malfunction Warning TSB
If you own a 2021 Audi and see an SOS malfunction warning in your instrument cluster, it might be due to diagnostic trouble codes B200096 or B200000. This technical service bulletin (TSB 2059528/2) outlines a specific diagnostic and repair procedure for the telematics control module.
2021 Audi e-tron Rear Cross Traffic Assist PDI Update
A manufacturer communication details an important Pre-Delivery Inspection (PDI) update for the 2021 Audi e-tron, specifically adding a step to activate the rear cross traffic assist system. This ensures the safety feature is fully functional before vehicle delivery.
2021 Audi e-tron / Q3 / Q8 Sunroof Water Leak TSB 2056944
Audi has released Technical Service Bulletin 2056944/5 to address instances of water entry into the cabin from the sunroof area in 2021 Audi e-tron, Q3, and Q8 models. This TSB outlines inspection and repair procedures for issues like obstructed drain hoses, detached seals, and misaligned glass…
2021 Audi Parking Aid System Malfunction TSB
Audi has released Technical Service Bulletin 2058769/3 for 2021 A6, A7, e-tron, Q7, and Q8 models. This TSB addresses instances where the parking aid system sporadically malfunctions, logging DTCs B107BF0 or B10FCF0 due to environmental factors.
2021 Audi e-tron Trailer Hitch Noise Service Action 66M2
Audi has issued Service Action 66M2 for certain 2021 e-tron models to address an unexpected noise originating from the trailer hitch area. This service involves replacing the trailer hitch cross member bolts and is available free of charge until December 31, 2022. Owners should schedule an…
2021 Audi Models Intersection Assist Malfunction TSB
Audi has issued TSB 2061155 for 2021 A6, A7, Q7, Q8, e-tron, and other models regarding sporadic intersection and lane change assist malfunctions. This issue triggers DTC B200FF9 due to overly sensitive diagnostic routines. A software update (0487) is planned for Q2 2021.
2021 Audi e-tron Trailer Hitch Noise Service Action 66M2
Audi has issued Service Action 66M2 for 2021 e-tron models experiencing unexpected noise from the trailer hitch. This dealer communication outlines a repair to replace the trailer hitch cross member bolts to resolve the issue, which is available starting November 4, 2020.
2021 Audi MIB3 Audi Connect Installation Error TSB
Audi has issued Technical Service Bulletin 2061257/1 for 2021 Audi vehicles equipped with MIB3 systems experiencing an 'Audi connect installation: error during installation' message. This TSB outlines a simple MMI reset procedure to fix the frozen installation of the Audi connect application.
2021-2022 Audi MIB3 Ghost DTCs U156C00 B1A06F1 B1A06F2
Audi has issued TSB 91 21 62 2061934/1 to address diagnostic trouble codes U156C00, B1A06F1, and B1A06F2 found in 2021-2022 MIB3-equipped vehicles. These codes are "ghost DTCs" and do not indicate an actual problem, requiring no repair.
2021 Audi e-tron Terminal Discoloration is Normal (TSB)
Audi has issued Technical Service Bulletin 93 21 41 2061921/1 for 2021 Audi e-tron models regarding discoloration on high-voltage connection terminals. This TSB clarifies that these discolorations are a normal result of the manufacturing process and do not indicate a fault or require any repair.