47T9 – Brake Fluid Reservoir Cap – 2019-2021 Audi

August 25, 2023 NHTSA CAMPAIGN NUMBER: 23V601000

Incorrect Brake Fluid Cap

Incorrect brake fluid can reduce braking ability and increase the risk of a crash.

 

NHTSA Campaign Number: 23V601

Manufacturer VolkswageneBay logo Group of America, Inc.

Components SERVICE BRAKES, HYDRAULIC

Potential Number of Units Affected 7,499

 

Summary

VolkswageneBay logo Group of America, Inc. (AudieBay logo) is recalling certain 2021 AudieBay logo S7, S6 Sedan, RS7, RS6 Avant, A6 Allroad, 2019-2021 A7, and A6 Sedan vehicles. An incorrectly labeled brake fluid cap may have been installed, which can result in the use of the wrong type of brake fluid.

 

Remedy

Dealers will inspect the brake fluid reservoir cap and, if necessary, replace it, free of charge. Owner notification letters are expected to be mailed October 17, 2023. Owners may contact AudieBay logo’s customer service at 1-800-253-2834. VolkswageneBay logo’s number for this recall is 47T9.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Audi has a Recall

 


Affected Vehicles

Country Beginning Model Year Ending Model Year Vehicle Vehicle Count
USA20212021A6 ALLROAD267
USA20192021A6 SEDAN4,681
USA20192021A71,571
USA20212021RS6 AVANT376
USA20212021RS7299
USA20212021S6 SEDAN196
USA20212021S7109

 

Problem Description

A small number of affected vehicles may be equipped with a European-specification brake fluid reservoir cap instead of the one required for the United States market. If the incorrect cap is present and the owner does not understand the markings, it is possible that the incorrect fluid could be used in the reservoir. Incorrect fluid can make the brake system perform improperly, causing the risk of a crash.

 

Corrective Action

Inspect and, if necessary, replace the brake fluid reservoir cap.

 

Code Visibility

On or about August 30, 2023 the campaign code was applied to affected vehicles.

 

Owner Notification

Owner notification will take place in September 2023. Owner letter examples are included in this bulletin for your reference.

 

Repair Overview

Inspect brake fluid reservoir cap and replace if necessary.

 


Repair Instruction

 


Chronology :

February 13, 2019: The AudieBay logo Product Safety Committee receives a report about the issue and the potential noncompliance.
Unsold vehicles will be checked and will receive a new brake fluid cap if necessary.

March 6, 2019: Topic presented to AudieBay logo Product Safety Committee. The committee decides to conduct a service campaign with customer notification.

March 20, 2019: After discussions with the responsible VWGoA colleagues from the United States market, the AudieBay logo Product Safety committee decides to file a petition for inconsequential noncompliance.

April 22, 2021: In vehicle production one vehicle is found that was built for the North-American market but was equipped with the brake fluid cap used for all other markets. Immediate investigation regarding root cause and affected vehicle scope commenced.

May 18, 2021: The responsible department determines that it cannot be ruled out that additional vehicles produced for North America have received a brake fluid cap with piktograms instead of verbal instructions.

Vehicles still in the factory and in the ports were checked and approximately 0.8% did not have the US specific brake fluid cap.

May – July 2021: Review of production data and determination of potentially affected vehicles.

July 19, 2021: The AudieBay logo Product Safety Committee determines that a non-compliance exists in the affected vehicles. AudieBay logo believes that there is no risk to vehicle motor safety and will file a petition for inconsequentiality (49 CFR part 556).

August 18, 2023: NHTSA informs VWGoA that they have denied the two petitions for inconsequential noncompliance.

Unrepaired vehicles that were previously reported under recall codes 47O8 and 47R2 are being moved into the following new code: 47T9

 


11 Affected Products

Vehicles

MAKEMODELYEAR
AUDIeBay logoA62019-2021
AUDIeBay logoA6 ALLROAD2021
AUDIeBay logoA72019-2021
AUDIeBay logoRS62021
AUDIeBay logoRS72021
AUDIeBay logoS62021
AUDIeBay logoS72021

 


6 Associated Documents

VolkswageneBay logo – 47T9 AudieBay logo Dealer Advance Notice – August 2023

RCMN-23V601-0411.pdf 240.388KB

 


Recall Acknowledgement

RCAK-23V601-1009.pdf 646.426KB

 


Defect Notice 573 Report

RCLRPT-23V601-5026.PDF 219.348KB

 


Recall 573 Report – August 31, 2023

RCLRPT-23V601-9768.PDF 219.393KB

 


Remedy Instructions and TSB

RCRIT-23V601-4106.pdf 685.541KB

 


VolkswageneBay logo – 47T9 AudieBay logo Dealer Launch Notice – September 2023

RCMN-23V601-1056.pdf 223.427KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V601&docType=RCL

 


 

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Valvoline DOT 3 & 4 Synthetic Brake Fluid with High Boiling Point, Corrosion Protection, Vapor Lock Resistance, Compatible with ABS, Disc and Drum Brake Systems, 32oz
  • Mixes well with conventional fluids
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Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz.
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Valvoline DOT 3 & 4 Synthetic Brake Fluid with High Boiling Point, Corrosion Protection, Vapor Lock Resistance, Compatible with ABS, Disc and Drum Brake Systems, 12oz
  • Ideal for hydraulic and disc brakes
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SaleBestseller No. 4
STP Synthetic Brake Fluid, Dot 4 Brake Fluid Protects Brake Systems, ABS, Disc and Drum Systems, 12 Oz, STP
  • Increases dry boiling point to ensure maximum life and reliable braking power
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Lucas Oil 10826 Brake Fluid - 1 Quart
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Last update on 2026-05-28 / Affiliate links / Images from Amazon Product Advertising API


 

 


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