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Service bulletins for the 2021 Audi Q5

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1146 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
A1521382053278_72021-05-06. Service bulletin. ENGINE. 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.
A9121862062713_12021-04-06. Service bulletin. EQUIPMENT. This bulletin contains repair instructions for when there is radio static when the rear heater is active.
SSP_9708932021-04-06. Service bulletin. ELECTRICAL SYSTEM. eSelf-Study Program 970893 - Third-generation modular infotainment matrix.
A9621652061932_22021-04-06. Service bulletin. EQUIPMENT. This bulletin contains instructions for when DTC U112300 is stored.
A9421362023322_32021-04-06. Service bulletin. EXTERIOR LIGHTING. This informational bulletin contains information on the different shading of LED headlights.
A8021112062583_12021-04-06. Service bulletin. EQUIPMENT. This bulletin contains instructions for addressing an insufficient or uneven heating performance from the HVAC system.
A9121822062115_32021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when the nav files are corrupted during an update.
A9121802062466_12021-04-06. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains instructions about Apple Carplay cannot be started with Wi-Fi.
A1321132062387_12021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for determining if a repair is needed when coolant touches a poly V-belt and/or a toothed belt.
A9121762037809_82021-04-06. Service bulletin. EQUIPMENT. This informational bulletin contains instructions about updating the navigation map.
A9021942061989_22021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when the drive select is not available and DTC U111000 in the information electronics control module.
A4821952062288_22021-04-06. Service bulletin. STEERING. This bulletin contains repair instructions for when the electric steering column is not working in the vertical direction.
A1921122061918_22021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.
21TechRefGde2212021-03-04. Service bulletin. EQUIPMENT. Q5: Vehicle Prepartion Section: REMOVED: "Set adaption channel to enable CD Ripping using Guided Functions" Settings Section: REMOVED: "(if equipped)" from Turn off Manual Speed Warning On Hoist Inspection Section: ADDED to Install Wheel Bolt Covers: "When installing, ensure proper alignment to the valve stem (indentation in the wheel) lines up with the tab on the center cap to ensure correct mounting" Driver Assistance Section: REMOVED "(if equipped)" from "Verify operation of parking system"
21Q5SQ5TECHREPT2021-03-04. Service bulletin. EQUIPMENT. Multiple "if equipped" statements removed, rewording of several checklist items, and added content marked in green.
21Q5SQ5CSTDLVRY2021-03-04. Service bulletin. EQUIPMENT. Multiple checklist items removed and "if equipped", rewording of several checklist items, and added content marked in green.
A4821932062288_12021-03-04. Service bulletin. STEERING. This bulletin contains repair instructions for when the electric steering column is not working in the vertical direction.
A4721082055646_22021-03-04. Service bulletin. SERVICE BRAKES. This bulletin contains repair instructions for when the vehicle sporadically does not start and there is a hard brake pedal concern.
A4621252054385_22021-03-04. Service bulletin. EQUIPMENT; SERVICE BRAKES. 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).
SM 15-20212021-03-04. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed (State of California only).
AWA 21-012021-03-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Document informs dealers on the new A/C evaporator warranty extension for 2017-2021 A4/S4/Q7 and 2018-2021 A5/S5/Q5 vehicles
A9721782061976_12021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains guidance for submitting warranty wiring repairs.
A9421342012749_12021-03-04. Service bulletin. EXTERIOR LIGHTING. This bulletin contains instructions for addressing condensation in the headlights.
A9321432062211_12021-03-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to create a PSS when the red battery symbol is shown in the cluster with DTC P0B1300 stored.
A9121692062115_22021-03-04. Service bulletin. EQUIPMENT. This bulletin contains instructions for when the nav files are corrupted during an update.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.