A201805 2043333-

20 MIL on, DTC P045100 stored in the ECM - Repair Authorization
20 18 05 2043333/4 August 20, 2018. Supersedes Technical Service Bulletin Group 20 number 18-98 dated
February 5, 2018 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A6
2017
055271 - 999999
3.0T
A6
2018
All
3.0T
Condition
REVISION HISTORY
Revision
Date
Purpose
4
-
Revised title
Revised header data (Updated VIN break)
3
02/05/2018
Revised header data (Updated for MY2017 – 2018)
Revised Additional Information (Updated disclaimer)
2
03/03/2016
Revised header data (Corrected ElsaPro display error)
Customer states:
 MIL on
Workshop findings:
The following DTC is stored in the engine control module (ECM), J623 (address word 0001):
 DTC P045100 (Evaporative Emission System Pressure Sensor/Switch Range/Performance)
Technical Background
Various parts have been replaced under warranty for the condition noted above, but no issues were identified with
these parts. In an effort to gain information on the DTC codes for the vehicles listed above, we are asking that you
contact the Audi Technical Assistance Center (TAC) before replacing any parts. This will assist us in diagnosing
any potential issues with the condition noted above.
Page 1 of 2
© 2018 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 licensors. All rights are 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.
Production Solution
No changes to production have been made, as no issue has been identified.
Service
Audi of America is requesting your cooperation in supplying us with technical information regarding this condition:
1. Verify the condition.
2. If the vehicle is within the New Vehicle Limited Warranty, contact a TAC consultant before proceeding. Please
attach the DTC and diagnostic log to the TAC ticket.
Warranty
This TSB is informational only and not applicable to any Audi Warranty.
Additional Information
All parts and service references provided in this TSB (2043333) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information. Please check the Repair
Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©2018 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 licensors. All rights are 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.
Page 2 of 2
© 2018 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 licensors. All rights are 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.