via ODIS.

o

Perform service bleeding procedure
via ODIS.

NOTE
While performing brake bleeding steps, there will be
several warnings that appear in the instrument
cluster and MMI, these can be ignored.
Conventional brake bleeding:
•

Perform conventional bleeding of the brakes
per the ELSA Repair Manual, referencing the
“Conventional bleeding” section of the
instructions:
o

•

Repair manual > Chassis > Brake
System > 47 Hydraulic Components
> Hydraulic System > Hydraulic
System, Bleeding.

Proceed to next brake bleeding step once the
conventional brake bleeding is complete.

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.
49A4 Page 7 of 12

Release Date

03/21/2024

Technical Service Bulletin

49A4 UPDATE
Brake System Software Update – (NVLW)
NX6 brake booster bleeding:
•

Bleed the NX6 brake booster per the ELSA
repair manual, referencing the “Bleeding the
Brake Booster -NX6- using the Vehicle
Diagnostic Tester” section of the instructions.
o

•

Repair manual > Chassis > Brake
System > 47 Hydraulic Components
> Hydraulic System > Hydraulic
System, Bleeding.

Select the appropriate test plan in ODIS:
o

Select DA 0023 and open guided
functions.

o

Perform the test plan “0023 - Brake
Boost / brake bleeding”.

o

Follow all test plan on screen
prompts.

CRITICAL REPAIR STEP

STOP!
While the test plan for bleeding the NX6 brake
booster is running, the “Status” field may show
“False result” and the “Result” field may show
“Unknown status”. This is normal and not a test plan
failure.
Do not press the complete/continue button! If
used, the test plan will fail.
The test plan will automatically continue once the
step is completed.
•

Proceed to next brake bleeding step once the
NX6 brake booster bleeding is complete.

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.
49A4 Page 8 of 12

Release Date

03/21/2024

Technical Service Bulletin

49A4 UPDATE
Brake System Software Update – (NVLW)
Service bleeding procedure:
•

Bleed the brakes per the ELSA repair manual,
referencing the “Bleeding using the Vehicle
Diagnostic Tester” section of the instructions.
o

•

Repair manual > Chassis > Brake
System > 47 Hydraulic Components
> Hydraulic System > Hydraulic
System, Bleeding.

Select the appropriate test plan in ODIS:
o

Select DA 0003 and open guided
functions.

o

Perform the test plan “0003 - Service
Bleeding”.

o

Follow all test plan on screen
prompts.

CRITICAL REPAIR STEP

STOP!
While the service bleeding test plan is running, the
“Result” field may show “Unknown status”. This is
normal and not a test plan failure.
Do not press the complete/continue button! If
used, the test plan will fail.
The test plan will automatically continue once the
step is completed.
NOTE
The test plan states to apply and release the brake
pedal in cyclical periods. There is not a specified
interval or number of times the pedal must be
pressed and released. The test plan will continue
automatically once the conditions have been
satisfied.
•

Perform a bus sleep on the vehicle.

•

Erase the fault memory by exiting the GFF
session.

TIP
To put the vehicle in bus sleep mode, disconnect
the diagnostic tester, remove the key from the
vehicle and lock the vehicle with the remote for 5
minutes.

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.
49A4 Page 9 of 12

Release Date

Technical Service Bulletin

03/21/2024

49A4 UPDATE
Brake System Software Update – (NVLW)

Warranty
Claim Entry Instructions
After Update 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 or vehicle is out of the specified warranty parameter for this Update:


U.S. dealers: Submit the request through Audi Warranty Online under the Campaigns/Update option.



Canada dealers: Upload the repair order to Audi WIN/Operations/Campaign Closure.
Service Number

49A4

Damage Code

0099

Parts Vendor Code
Claim Type

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

0151 00 10

SEE ELSA

Software update
(setup + battery charger)

0151 00 60

Time stated on
diagnostic protocol

Perform Software update

0150 00 60

Time stated on
diagnostic protocol

GFF/Guided functions
(perform necessary test plans)

0150 00 99

10

Bus sleep procedure

4701 07 50

SEE ELSA

Brake system bleed
(initial bleed procedure, claim only once)

4701 07 70

SEE ELSA

Brake system bleed
(additional bleed procedures, can be
claimed up to 2 times)
PARTS

Quantity

Part Number

Description

Up to 45.00

B 000750S0

BRAKE FLUID
(up to 4.5 L)

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.
49A4 Page 10 of 12

Release Date

Technical Service Bulletin

03/21/2024

49A4 UPDATE
Brake System Software Update – (NVLW)
Additional Actions Some of the affected vehicles may be involved in additional Actions. Please check your
Elsa Campaign/Action Information screen so that any additional required work can be
done simultaneously.
Verifying Vehicle
Eligibility

To verify vehicle eligibility for this Update, always check the Elsa Campaign/Action
Information screen. The Elsa system is the only binding inquiry and verification system;
other systems are not valid and may result in non-payment of a claim.

Help for Claim
Entry

For questions regarding claim entry, contact Audi Warranty.

Required
Customer
Notification

Inform your customer in writing by recording on the Repair Order any and all work that
was conducted on the vehicle, including any and all updates completed under this Update.

Required Parts
Parts Control Type:
Free Order

Parts will be managed by Free Order

Initial Allocation:
NO

Please reference the Repair Projection Tool (below) to view your potential VIN
population.

Repair Projection Tool:
(right click to open)
Criteria

Quantity

01

Up to 4.5 L

Part Number

P.O.C. Part Description

Ordering Method

SEE ETKA/P.O.C.

BRAKE FLUID

Parts on Command

IMPORTANT PARTS INFORMATION
Brake Fluid Ordering Information
Any DOT 4 brake fluid part number listed in Parts on Command can be used.

NOTE
Campaign parts should always be ordered as per the parts information in this circular. The ordering system will
supersede the part, if applicable.

• 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.

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.
49A4 Page 11 of 12

Release Date

Technical Service Bulletin

03/21/2024

49A4 UPDATE
Brake System Software Update – (NVLW)

Required Special Tools
Diagnostic Tester

Battery Tester/Charger
capable of minimum 90
Amp continuous supply

-VAS6150X/VAS6160X-

Brake Filling and
Bleeding Equipment

Brake Bleeding Tool Set

-VAS6860(or equivalent)

(or equivalent)

-VAS6564(or equivalent)

Wrench – Brake Bleeder
Set
-VAS5519(or equivalent)

Additional Information
All parts and service references provided in this Update are subject to change and/or removal. Always check Elsa
for the most current version of this document.

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.
49A4 Page 12 of 12