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NHTSA ID Number: 11007286

Manufacturer Communication Number: Circ 27BQ_REV4

TSB/Document Date: 2024-09-06


Summary

Under this service action, AudieBay logo dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year. Parts and claiming instructions updated.


time for the preparation of the work, as well as to accommodate their daily workshop schedule.
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 work.
On or about April 30, 2024, the necessary repair instructions and parts (if applicable) will be available to your authorized
AudieBay logo dealer.
Additional Information

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 your authorized AudieBay logo dealer fails or is unable to complete this work free of charge within a reasonable time, if
you have changed your address or sold the vehicle, or if you should have any questions about this
communication, please contact AudieBay logo Customer Relations Monday through Friday from 8AM to 8PM EST at 1800-822-2834 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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 15 of 24

Customer Letter Example (Canada) – WAVE 2 / SEPTEMBER 2024

This notice applies to your vehicle: ,
Subject: Emissions Service Action 27BQ – Starter - Alternator
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.
About this Emissions Service Action
Under this emissions service action, authorized AudieBay logo dealers will replace the starter - alternator in affected vehicles at
no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other
emissions while vehicle is stopped. Emissions still remain within certification standards. This work will take about half a
day 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 work, as well as to accommodate their daily workshop schedule.
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 work.
On or about August 27, 2024 the necessary repair instructions and parts (if applicable) will be available to your authorized
AudieBay logo dealer.
Additional Information

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 your authorized AudieBay logo dealer fails or is unable to complete this work free of charge within a reasonable time, if
you have changed your address or sold the vehicle, or if you should have any questions about this
communication, please contact AudieBay logo Customer Relations Monday through Friday from 8AM to 8PM EST at 1800-822-2834 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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 16 of 24

Repair Overview

Check starter/generator software version.

Replace starter/generator if necessary.

NOTE

These repair instructions may differ from the labor operations and labor times listed in ELSA.

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.

This procedure must be read in its entirety prior to performing the repair.

Due to variations in vehicle equipment and options, the steps/illustrations in this work procedure may not
identically match all affected vehicles.

Diagnosis and repair of pre-existing conditions in the vehicle are not covered under this action.

When working during extreme temperatures, it is recommended that the vehicle be allowed to acclimate
inside the shop to avoid temperature-related component damage/breakage.

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 17 of 24

Required Tools

Battery Tester/Charger
capable of minimum 90
Amp continuous supply

Diagnostic Tester
-VAS6150X/6160X(or equivalent)

Cooling System Tester Adapter

Cooling System Charge Kit

-VAG1274/8-

(or equivalent)

Hose Clip Pliers

Hose Clip Pliers

-VAS6362-

-VAS6340-

(or equivalent)

(or equivalent)

Belt Tensioner Locking
Tool

Socket – SW5 12 Points

-T40098(or equivalent)

-VAS6096-

-VAS262023(or equivalent)

Cooling System Tester –
Adapter

Torx Socket – T60

-VAG1274/10-

(or equivalent)

-T40087-

Safety Gloves and Safety
Goggles

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 18 of 24

Repair Instruction
Section A - Check for Previous Repair
TIP
If Campaign Completion label is present, no further work is required.

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!
All campaigns/actions with a repair available must
be performed in order of the Start date .
The oldest should be performed first (unless
otherwise noted in the repair instructions).
Proceed to Section B.

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 19 of 24

Section B – Check Starter/Generator Software Version

Scan the vehicle using GFF.

Select DA 00CC .

Check the software level .

If the software level is less than 0562:

o

Replace the starter/generator.

o

Proceed to section C.

If the software level is equal to or greater than
0562:
o

The starter/generator does not require
replacement.

o

Proceed to section D.

NOTE
The starter/generator shown has a software level of
0523 and would require replacement.

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 20 of 24

Section C – Replace Starter/Generator
CAUTION
Heavy component!
Support the starter/generator as needed
during removal.
Replace the starter/generator per the ELSA
repair manual:

o

Repair manual > Electrical System >
Electrical Equipment > 27 Battery,
Starter, Generator, Cruise Control >
Generator > Generator, Removing
and Installing.

NOTE
The studs will not be reused and will be
replaced with bolts.
Criteria

Part Number

Part Description

SC

4N0-903-028-S

Generator

C8, A8,
4M, S8,
21, 22,
23, 25

4N1-903-028

Generator

RQ, RS,
26, 27

4N1-903-028-B

Generator

S8, RQ,
25, 27

WHT-008-729A (qty. 1)

O-Ring

S8, RQ,
25, 27

N -910-968-01
(qty. 4)

Bolt (belt tensioner
bracket)

C8, A8,
4M, SC,
21, 22,
23, 24

06M-121-488-A
(qty. 1)

O-Ring

C8, 21

06M-133-237-A
(qty. 1)

Gasket (air intake
seal)

4M, 23

4M0-145-117
(qty.1)

Gasket (air intake
seal)

RS, 26

N -910-191-01
(qty. 1)

Gasket (air intake
seal)

N -900-970-01
(qty. 1)

O-Ring

N -910-718-01
(qty. 2)

Bolt
(replace only if the
original stud is
damaged during
removal)

ALL

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 21 of 24

Perform the starter/generator replacement
test plan :
o

DA 00CC > Guided functions >
Replace control module.

o

Follow all on-screen prompts.

Proceed to section D

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 22 of 24

Section D – Campaign Completion Stamp

Item#: AUD4927ENG

Once the campaign has been completed,
the technician should stamp the repair
order.

Stamps are available for ordering through
the Compliance Label Ordering Portal.

Proceed to Section E

-OR-

Item # AUD4927FRE

Section E – Campaign Completion Label
Install Campaign Completion Label

Fill out and affix Campaign Completion
Label, part number CAMP 010 000, next to
the vehicle emission control information
label.

TIP
Ensure Campaign Completion Label does not cover
any existing label(s).
Proceed to Section F

Section F - Parts Return/Disposal
Properly store (retain), destroy or dispose of removed parts in accordance with all state/province and local
requirements, unless otherwise indicated and/or requested through the Warranty Parts Portal (WPP) for U.S. and
the Part Destruction and Core Disposition Report for Canada.
Proceed to Section G (California only).

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 23 of 24

Section G – California Only Requirements
CALIFORNIA ONLY Requirements for Emissions Campaigns Having Customer Notification
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 EMIS_CAL VWeBay logo).
Certificates can be ordered at no cost online via the Compliance Label Ordering portal at www.accessaudi.com.
TIP
Ensure owners are aware of the importance of retaining the completed certificate for their records. It should be
mailed to the California DMV only upon request.

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. 2024 AudieBay logo of America, Inc. and AudieBay logo Canada. All Rights Reserved.
27BQ Page 24 of 24

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TSB/Document ID: Circ 27BQ_REV4

Replacement Service Bulletin Number:

MFR Communication Date: 2024-08-19

MFR Internal Campaign ID/Software Version: 27BQ

Communication Type: Service Campaign

NHTSA Components: UNKNOWN OR OTHER

MFR Component System:

MFR Component Subsystem:


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