BULLETIN

Technical Service Bulletin
Audi
24CH UPDATE- ECM Software Update (FED_EMS)
May 25, 2016
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
AS
2015-2016
See Campaign/Action screen in Elsa
W12 Engine
Condition
This Update has been proactively released to prevent the following condition from occurring in the vehicle:
On Audi A8 vehicles with W12 engine manufactured within a specific period, the engine torque monitoring system
may indicate a fault in cylinder deactivation mode (cylinder on demand).
This Update is in effect until removed.
Vehicle must meet all of the following criteria:
•
Procedure is valid only for vehicles that show the 24CH code in the Elsa Campaign/Action Information screen
on the day of repair.
•
Vehicle must be within the Federal Emissions Warranty.
•
Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin.
•
Procedure must be performed on applicable vehicles in dealer inventory prior to sale.
Technical Background
On Audi A8 vehicles with W12 engine manufactured within a specific period, the engine torque monitoring system
may indicate a fault in cylinder deactivation mode (cylinder on demand).
Page 1 of 4
© 2016 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its liccnsors. All rights arc reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.
Technical Service Bulletin
Audi
Service
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Attach an appropriate battery charger to the vehicle.
3. Attach the scan tool to the vehicle using an USB cable.
4. Confirm that the scan tool is communicating with the diagnostic head by USB . If the Bluetooth
symbol is shown  then disconnect the diagnostic head from the vehicle and then reattach the USB
cable to the diagnostic head and then reattach to the vehicle.
Audi
O,pe;rating modes
~
....
5. Using Flashing, perform the update using the SVM action code, 24CHA192.
CD
AwARNING
NOTE
If the Bluetooth wireless VAS 5054A transmitter
head is used in conjunction with a VAS tester,
the transmitter head MUST BE connected with a
USB cable to the tester.
The Bluetooth function of the scan tool MUST
BE PHYSICALLY SWITCHED OFF prior to
erforminq this update. 
VAS,6150 & VAS 6;150A
VPS6,150:B
VAS 61601-VPC
(From panel behind handle)
(Mlddte rf.ghl :side behi'td WIRl:LESS door)
(Upper left sid'e be:hlnd SCJEX door)
1
Page 2 of 4
© 2016 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its liccnsors. All rights arc reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.
Technical Service Bulletin
Audi
Warranty
Claim Entry Instructions
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 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: Fax repair order to Warranty at (905) 428-4811.
Service Number
Damage Code
Parts Vendor Code
Claim Type
24CH
0099
002
Sold vehicle: 7 10
Unsold vehicle: 7 90
Causal Indicator
Vehicle Wash/Loaner
Criteria I.D.
Mark Labor as causal part
Do not claim wash/loaner under this action
4H
Connect battery charger.
Labor operation: 2706 8950
10 T.U.
--AND-Perform software update via SVM
Labor operation: 2470 2599
Time state on diagnostic
protocol (max 70 TU)
Page 3 of 4
© 2016 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its liccnsors. All rights arc reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.
Technical Service Bulletin
Audi
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.
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.
Page 4 of 4
© 2016 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its liccnsors. All rights arc reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.