NHTSA ID Number: 11002989
Manufacturer Communication Number: Circ 27BQ_REV2
TSB/Document Date: 2024-07-02
Summary
Under this service action, Audi
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 coolant claiming quantity
Emissions Service Action
Code: 27BQ
Subject
Starter - Alternator
Document History
Affected Vehicles
Date
Summary
06/11/2024
Updated coolant claiming quantity
05/03/2024
Updated claiming instructions
04/30/2024
Original publication
Country
USA
USA
USA
USA
USA
USA
USA
USA
USA
USA
CAN
CAN
CAN
CAN
CAN
CAN
CAN
CAN
CAN
CAN
Beginning
Model Year
2020
2019
2019
2019
2020
2019
2020
2020
2020
2020
2020
2019
2019
2019
2020
2019
2020
2020
2020
2020
Ending
Model Year
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
Vehicle
A6 ALLROAD
A6 SEDAN
A7
A8
Q7
Q8
RSQ8
S6 SEDAN
S7
S8
A6 ALLROAD
A6 SEDAN
A7
A8
Q7
Q8
RSQ8
S6 SEDAN
S7
S8
Vehicle
Count
The 27BQ
repair will be
launched in
multiple
waves.
The 27BQ
repair will be
launched in
multiple
waves.
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.
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.
About this Emissions
Service Action
Under this service action, Audi 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.
Code Visibility
On or about April 30, 2024, the campaign code was applied to the first wave of affected vehicles.
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 Audi dealer. 2024 Audi of America, Inc. and Audi Canada. All Rights Reserved.
27BQ Page 1 of 20
Owner Notification
Owner notification will begin in May 2024. 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.
The 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 Audi dealer. 2024 Audi Group of America, Inc. and Audi Canada. All Rights Reserved.
27BQ Page 2 of 20
Parts Information
Part Number
P.O.C. Part Description
Ordering Method
(see description
below)
1
4N0-903-028-S
VIN to Order
C8, A8, 4M or S8
1
4N1-903-028
VIN to Order
RQ
1
4N1-903-028-B
VIN to Order
ALL
1
N -900-970-01
Free Order
ALL
2
N -910-718-01
Free Order
C8, A8, 4M or SC
1
06M-121-488-A
GASKET
Free Order
C8
1
06M-133-237-A
GASKET
Free Order
4M
1
4M0-145-117
SEAL RING
Free Order
S8
4
N -910-968-01
Free Order
S8 or RQ
1
WHT-008-729-A
SEAL RING
Free Order
G -12E-100-1G CON
G12 EVO Coolant - Concentrate
(US Dealers)
Free Order
G -12E-100-2G CON
G12 EVO Coolant - Concentrate
(Canadian Dealers)
Free Order
G -12E-050-1G-RTU
G12 EVO Coolant - 50/50 Pre-mix
Free Order
(US Dealers)
G -12E-050-2G-RTU
G12 EVO Coolant - 50/50 Pre-mix
Free Order
(Canadian Dealers)
Criteria
Quantity
SC
As needed
ALL
-OR-
As needed
NOTE: Approximately 3 liters of coolant should be needed for the repair.
Continued on next page
The 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 Audi dealer. 2024 Audi Group of America, Inc. and Audi Canada. All Rights Reserved.
27BQ Page 3 of 20
Parts Control Type:
VIN to Order
If parts are needed to support a vehicle repair:
• US Dealers - use AVA
• CAN Dealers - contact the Parts Specialists via email
(VWoAPartsSpecialists@vw.com), or chat/text with the VIN to order
Parts Control Type:
Free Order
Parts will be managed by Free Order
Initial Allocation:
NO
There will be no parts allocation.
NOTE
Your dealer’s Estimated Remaining Repairs by campaign can be found in Parts on Command.
Click on “View Campaign List” and review the Estimated Remaining Repairs column.
NOTE
Campaign parts should always be ordered as per the parts information in this circular. The ordering system will
supersede the part, if applicable.
The 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 Audi dealer. 2024 Audi Group of America, Inc. and Audi Canada. All Rights Reserved.
27BQ Page 4 of 20
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 Audi Warranty Online under the Campaigns/Update option.
Canada dealers: Upload the repair order [signed by customer] to Audi WIN/Operations/Campaign Closure.
Service Number
Damage Code
Parts Vendor Code
Claim Type
27BQ
0099
002
Sold vehicle: 7 10
Unsold vehicle: 7 90
Causal Indicator
Mark labor as causal if Alternator (starter/generator) is OK
Mark Alternator* as causal if Alternator (starter/generator) is NOT OK
Vehicle Wash/Loaner
Criteria I.D.
Do not claim wash/loaner under this action
ALL
Check starter/generator software version. Starter/generator does not require
replacement.
LABOR
Labor Op
Time Units
Description
0150 00 10
SEE ELSA
GFF/Guided functions
(setup + battery charger)
0150 00 60
Time stated on
diagnostic protocol
GFF/Guided functions
See below for claiming instructions based on the vehicle’s criteria if the
starter/generator requires replacement.
-ORContinued on next page
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 Audi dealer. 2024 Audi of America, Inc. and Audi Canada. All Rights Reserved.
27BQ Page 5 of 20
Claim the following, based on the vehicle’s criteria, if the starter/generator requires replacement.
Criteria I.D.
4M
LABOR
Labor Op
Time Units
Description
2726 19 43
SEE ELSA
Integr. starter-alternator remove+reinstall
2706 89 50
SEE ELSA
Battery charge
0150 00 60
Time stated on
diagnostic protocol
GFF/Guided functions
(GFF Operations – including SW version check)
PARTS
Quantity
Part Number
Description
1.00
06M121488A
GASKET
1.00
4M0145117
SEAL RING
1.00
4N1903028
As needed**
G 12E100S1
or
G 12E050S0
COOLANT (concentrate)
or
COOLANT (pre-mix)
USA
ONLY
G 12E100S1
COOLANT (concentrate)
CANADA
ONLY
As needed**
- Unsurpassed freeze protection and anti-boil performance...
- Organic acid technology resists rust, scale & corrosion...
- High-quality additives protect against leaks and won’t...
- Pre-mixed orange formula is ready-to-use in a 50/50 ratio...
- 5 year/150,000 mile guarantee protects against engine...
- Formulated to replace the OEM fluid in Asian make vehicles...
- 5 year/150, 000 mile . Silicate-free, long-life, phosphate...
- The long life formula provides protection for all cooling...
- Meets the following OEM and industry specifications: JIS K...
- Note: Please check the vehicle specification before...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
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TSB/Document ID: Circ 27BQ_REV2
Replacement Service Bulletin Number:
MFR Communication Date: 2024-06-11
MFR Internal Campaign ID/Software Version: 27BQ
Communication Type: Service Campaign
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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