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NHTSA ID Number: 10198237

Manufacturer Communication Number: Circular 24GQ

TSB/Document Date: 2021-07-02


Summary

In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the malfunction indicator light (MIL).


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TSB/Document ID: Circular 24GQ

Replacement Service Bulletin Number:

MFR Communication Date: 2021-06-22

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

MFR Component System:

MFR Component Subsystem:


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Emissions Service Action
Code: 24GQ
Subject
Release Date
Affected Vehicles

Engine Control Module (ECM) Software
June 22, 2021

Country
USA
USA
USA
USA
USA
CAN
CAN
CAN
CAN
CAN

Beginning
Model Year
2019
2019
2021
2019
2019
2019
2019
2021
2019
2019

Ending
Model Year
2019
2020
2021
2021
2021
2020
2020
2021
2021
2021

Vehicle
A3 CABRIOLET
A3 SEDAN
Q3
TT COUPE
TT ROADSTER
A3 CABRIOLET
A3 SEDAN
Q3
TT COUPE
TT ROADSTER

Vehicle
Count
542
7,865
17,908
706
551
337
2,497
5,409
125
147

Check Campaigns/Actions screen in Elsa on the day of repair to verify that a VIN qualifies for repair under this
action. Elsa is the only valid campaign inquiry & verification source.

Problem Description
Corrective Action
Code Visibility

Campaign status must show “open.”

If Elsa shows other open action(s), inform your customer so that the work can also be completed at
the same time the vehicle is in the workshop for this campaign.

In the event of a catalytic converter failure, which could negatively impact tailpipe emissions,
existing diagnostics may not properly illuminate the malfunction indicator light (MIL).
Update Engine Control Module (ECM) software.
On or about June 22, 2021, the campaign code will be applied to affected vehicles.

Owner Notification

Owner notification will take place in June 2021. Owner letter examples are included in this
bulletin for your reference.

Emissions Campaigns
Requirements
(CALIFORNIA ONLY)

The California Air Resources Board and the Department of Motor Vehicles (DMV) require
emissions-related campaigns to be completed prior to vehicle registration renewal. When
campaign work is done you must provide the owner with a signed “Vehicle Emission Recall –
Proof of Correction” certificate (RC EMISCAVWAU). Order certificates online via the
Compliance Label Ordering portal at www.accessaudi.com.

Additional Information

Please alert everyone in your dealership about this action, including Sales, Service, Parts
and Accounting personnel. Contact Warranty if you have any questions.
Dealers must ensure that every affected inventory vehicle has this campaign completed before
delivery to consumers.
Fill out and affix Campaign Completion Label (CAMP 010 000) after work is complete.
Labels can be ordered at no cost via the Compliance Label Ordering portal at
www.accessaudi.com.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized AudieBay logo dealer. 2021 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
June 2021

24GQ Page 1 of 13

Claim Entry Instructions
The labor times listed here may differ from the labor operations and labor times listed in ELSA.
After campaign has been completed, enter claim as soon as possible to help prevent work from being duplicated
elsewhere. Attach the Elsa screen print showing action open on the day of repair to the repair order.
If customer refused campaign work:
 U.S. dealers: Submit the request through AudieBay logo Warranty Online under the Campaigns/Update option.
 Canada dealers: Upload the repair order [signed by customer] to AudieBay logo WIN/Operations/Campaign Closure.
Service Number
Damage Code
Parts Vendor Code
Claim Type

24GQ
0099
002
Sold vehicle: 7 10
Unsold vehicle: 7 90

Causal Indicator
Vehicle Wash/Loaner
Criteria I.D.

Mark labor as causal
Do not claim wash/loaner under this action
01

LABOR
Labor Op

Time Units

Description

2706 89 50

10

Connect battery charger

2470 25 99

Time stated on
diagnostic protocol

Update engine control module software

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized AudieBay logo dealer. 2021 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
June 2021

24GQ Page 2 of 13

Customer Letter Example (USA)

This notice applies to your vehicle: ,
Subject: Emissions Service Action 24GQ – Engine Control Module (ECM) Software
Dear AudieBay logo Owner,
In cooperation with the United States Environmental Protection Agency and the California Air Resources Board, we are informing
you of our decision to conduct an emissions service action on certain 2019-2021 model year AudieBay logo vehicles. Our records show
that you are the owner of a vehicle affected by this action.
What is the issue?

In the event of a catalytic converter failure, which could negatively impact tailpipe emissions,
existing diagnostics may not properly illuminate the malfunction indicator light (MIL).

What will we do?

Your authorized AudieBay logo dealer will update the Engine Control Module (ECM) software. This work
will take about an hour to complete and will be performed for you free of charge. Please keep in
mind that your dealer may need additional time for the preparation of the repair, as well as to
accommodate their daily workshop schedule.
IMPORTANT! Please note that if the ECM in your vehicle has been “chipped,” “tuned,” or
otherwise modified from original factory specifications with aftermarket components
and/or software, work needed to repair, replace, or return the ECM to original factory
specifications is NOT covered under this action.

What should you do?

In order to limit any possible inconvenience, please contact your authorized AudieBay logo dealer as soon as
possible to schedule this service. For your convenience, you can also visit www.audiusa.com and click
on the “Find a Dealer” link to locate a dealer near you and schedule this service.

Lease vehicles and
address changes

If you are the lessor and registered owner of the vehicle identified in this action, please forward
this letter immediately via first-class mail to the lessee within ten (10) days of receipt. If you have
changed your address or sold the vehicle, please fill out the enclosed prepaid Owner Reply card
and mail it to us so we can update our records.

Important information for California regulations require that this campaign be completed prior to the time you renew your
California Vehicle Owners vehicle registration. Therefore, please make sure that this campaign is completed prior to
– California Regulations
the renewal of your vehicle registration, and that you furnish proof of completion to the
Department of Motor Vehicles (DMV) in the form of a copy of the dealer’s repair order, including
a signed “Proof of Correction” certificate. You obtain this from your dealer after the campaign has
been completed. Please retain the signed “Proof of Correction Certificate” with your vehicle
records. DO NOT MAIL THIS FORM to the DMV, unless requested.
Can we assist you
further?

If your authorized AudieBay logo dealer fails or is unable to complete this work free of charge within a
reasonable time, please contact AudieBay logo Customer Experience at 1-800-253-2834 or via our
“Contact Us” page at www.audiusa.com.

Checking your vehicle for
open Recalls and Service
Campaigns

To check your vehicle’s eligibility for repair under this or any other recall/service campaign, please
visit the Recall/Service Campaign Lookup tool at www.audiusa.com and enter your Vehicle
Identification Number (VIN).

We apologize for any inconvenience this matter may cause; however we are taking this action to help ensure your vehicle
continues to meet and exceed your expectations.
Sincerely,
AudieBay logo Customer Protection

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized AudieBay logo dealer. 2021 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
June 2021

24GQ Page 3 of 13

Customer Letter Example (Canada)

This notice applies to your vehicle: ,
Subject: Emissions Service Action 24GQ – Engine Control Module (ECM) Software

Dear AudieBay logo Owner,
This notice is sent to you in accordance with the requirements of the Canadian Environmental Protection Act, 1999.
AudieBay logo has determined that a defect, which relates to a prescribed emission standard, exists in certain 2019-2021
model year AudieBay logo vehicles. Our records show that you are the owner of a vehicle affected by this action.
What is the issue?

In the event of a catalytic converter failure, which could negatively impact tailpipe emissions,
existing diagnostics may not properly illuminate the malfunction indicator light (MIL).

What will we do?

Your authorized AudieBay logo dealer will update the Engine Control Module (ECM) software. This work
will take about an hour to complete and will be performed for you free of charge. Please keep in
mind that your dealer may need additional time for the preparation of the repair, as well as to
accommodate their daily workshop schedule.
IMPORTANT! Please note that if the ECM in your vehicle has been “chipped,” “tuned,” or
otherwise modified from original factory specifications with aftermarket components
and/or software, work needed to repair, replace, or return the ECM to original factory
specifications is NOT covered under this action.

What should you do?

In order to limit any possible inconvenience, please contact your authorized AudieBay logo dealer
as soon as possible to schedule this service. On or about June 22, 2021 the necessary
repair instructions and parts will be available to your authorized AudieBay logo dealer.

Lease vehicles and
address changes

If you are the lessor and registered owner of the vehicle identified in this action, please
forward this letter immediately via first-class mail to the lessee within ten (10) days of
receipt. If you have changed your address or sold the vehicle, please fill out the
enclosed prepaid Owner Reply card and mail it to us so we can update our records.

Can we assist you
further?

If your authorized AudieBay logo dealer fails or is unable to complete this work free of charge
within a reasonable time, please contact AudieBay logo Customer Relations Monday through
Friday from 8AM to 8PM EST at 1-800-822-2834 or via our “Contact AudieBay logo Canada”
page at www.audi.ca.

We apologize for any inconvenience this matter may cause; however we are taking this action to help ensure your
vehicle continues to meet and exceed your expectations.
Sincerely,
AudieBay logo Customer Protection

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized AudieBay logo dealer. 2021 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
June 2021

24GQ Page 4 of 13

Required Tools

Battery Tester/Charger

Diagnostic Tester

- GRX3000VAS-

-VAS6150X/VAS6160X-

(or equivalent)

(or equivalent)

Repair Instruction
Section A - Check for Previous Repair

Enter the VIN in Elsa and proceed to the
“Campaign/Action” screen.

TIP
On the date of repair, print this screen and keep a
copy with the repair order.

Confirm the Campaign/Action is open .
If the status is closed, no further work is required.

Note the Applicable Criteria ID for use
in determining the correct work to be done and
corresponding parts associated.
CRITICAL REPAIR STEP

STOP!
If multiple software update Campaign/Actions are
open, they must be performed in order of the Start
date . The oldest should be performed first.

All Safety Recalls must be completed prior to
completing this campaign.
Proceed to Section B

NOTE

Damages resulting from improper repair or failure to follow these work instructions are the dealer’s
responsibility and are not eligible for reimbursement under this action.

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