90V2 Control Module Shutdown Can Reduce Engine Power – 2019-2022 Audi

November 21, 2022 NHTSA CAMPAIGN NUMBER: 22V861000

Control Module Shutdown Can Reduce Engine Power

A gateway control module shutdown will suddenly reduce engine power, increasing the risk of a crash.

 

NHTSA Campaign Number: 22V861000

Manufacturer VolkswageneBay logo Group of America, Inc.

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 50,883

 

Summary

VolkswageneBay logo Group of America, Inc. (AudieBay logo) is recalling certain 2020-2022 AudieBay logo S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat may penetrate and cause the gateway control module to shut down.

 

Remedy

Dealers will install a protective cover, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact AudieBay logo’s customer service at 1-800-253-2834. AudieBay logo’s number for this recall is 90V2.

 

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

CountryBeginning Model YearEnding Model YearVehicleVehicle Count
USA20202022A6 ALLROAD2,227
USA20192022A6 SEDAN32,585
USA20192022A78,915
USA20212022RS6 AVANT2,152
USA20212022RS71,809
USA20202022S6 SEDAN1,781
USA20202022S71,414
CAN20202022A6 ALLROAD227
CAN20192022A6 SEDAN1,236
CAN20192022A71,087
CAN20212022RS6 AVANT601
CAN20212022RS7288
CAN20202022S6 SEDAN154
CAN20202022S7166

 

Problem Description

If liquid reaches and enters the gateway control module located under the rear middle seat, usually due to a liquid spill on the rear seats, it is being switched off as part of the safety concept. Water/liquid ingress into the gateway control module may lead to various internal errors due to short circuits within the control unit.

The gateway control module has a safety concept in case implausible signals are detected in the control unit. If such implausible signals are detected, the gateway switches off its function in order to avoid unwanted vehicle reactions. The vehicle remains steerable and the brake system is fully operable. The engine goes into emergency mode and remains in operation with reduced power. Unexpected reduced engine power may create an increased risk of a crash in certain driving situations.

 

Corrective Action

Install a protective cover for the gateway control module which will protect the part from liquid ingress.

 

Precautions

Several warning messages will appear if the gateway control module shuts down. The error messages occur due to the interrupted communication between several systems. Even though several systems are displaying a malfunction, not all of these systems are impacted. Customers seeing error messages are advised to make arrangements to have the vehicle diagnosed/repaired by an authorized AudieBay logo dealer without delay.

 

Code Visibility

On December 01, 2022, the campaign code was applied to affected vehicles.

 

Owner Notification

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

 

Repair Overview

Install protective cover over Gateway Control Module.

 


Chronology :

December 01, 2021: The AudieBay logo Product Safety Committee decided to conduct a voluntary recall for certain AudieBay logo Q5 vehicles in order to install a protective cover for the gateway control module and to seal the underbody in the area of an insufficient glue bead. At this point AUDIeBay logo AG was not aware of any warranty claims in the US for AudieBay logo A6/A7 vehicles and field monitoring was decided for those models.

August 2022: NHTSA asked VolkswageneBay logo Group of America for an overview of this topic during the next Quarterly Meeting due to 2 VOQ´s indicating a gateway failure due to liquid ingress.

August – September 2022: Evaluation of field situation and detailed analysis of known warranty cases. Upon a detailed research of warranty claims, at that point 38 cases were identified to be potentially related to this issue. The topic was also reported back to the Product Safety Committee based on the updated field situation.

September 14, 2022: AudieBay logo presented an overview of the U.S. market situation to the NHTSA ODI during the company’s Quarterly Meeting.

 


21 Affected Products

Vehicles

MAKEMODELYEAR
AUDIeBay logoA62019-2022
AUDIeBay logoA6 ALLROAD2020-2022
AUDIeBay logoA72019-2022
AUDIeBay logoRS62021-2022
AUDIeBay logoRS72021-2022
AUDIeBay logoS62020-2022
AUDIeBay logoS72020-2022

 


3 Associated Documents

Recall Acknowledgement

RCAK-22V861-1398.pdf 645.871KB

 


Defect Notice 573 Report

RCLRPT-22V861-2610.PDF 219.939KB

 


VolkswageneBay logoAudieBay logo Dealer Advance Notice – December 2022

RCMN-22V861-3860.pdf 850.477KB

 


VolkswageneBay logoAudieBay logo Dealer Launch Notice – January 2023

RCMN-22V861-9075.pdf 855.715KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-22V861-5925.pdf 172.954KB

 


Remedy Instructions and TSB

RCRIT-22V861-2127.pdf 1619.653KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-22V861-4994.pdf 155.879KB

 


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