A0119202044927_2

01 MIL on, DTC P20E8, P249C, and/or P218F are stored in the ECM or AdBlue residue is found on the
injector
01 19 20 2044927/2 August 7, 2019. Supersedes Technical Service Bulletin Group 01 number 16-70 dated July
27, 2016 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A3
2015
All
TDI
Condition
REVISION HISTORY
Revision
Date
Purpose
2
-
Revised title
Revised Warranty (Updated Labor Operations)
1
08/01/2016
Initial publication
Customer states:
 MIL on.
Workshop findings:
 Leaking AdBlue and/or dried residue may be noticeable under the hood near the AdBlue injector.
One or more of the following DTCs is stored in the engine control module (ECM), J623 (address word 0001):
 DTC P20E800 (Reductant pressure too low).
 DTC P249C00 (Excessive time to enter closed loop reductant injection control).
 DTC P218F00 (Reductant no flow detected).
Technical Background
AdBlue supply lines may have a quality deviation that causes a leak near the AdBlue injector.
Production Solution
Improved supply line in production.
Page 1 of 3
© 2019 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.
Service
1. Before replacing the pump or performing additional diagnosis for these faults, verify if any signs of leakage
are found near the AdBlue injector.
2. If any leakage is found (Figure 1),
replace the AdBlue supply line
according to the Elsa Repair Manual
and check system operation.
Dried AdBlue residue on any
additional components can be
cleaned off with warm water and a
soft brush and allowed to air dry.
Figure 1. Evidence of leak—AdBlue residue.
Warranty
Claim Type:
 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If the vehicle is outside any warranty, this Technical Service Bulletin is informational
only.
Service Number:
2684
Damage Code:
0050
Labor Operations:
Reductive agent supply line remove + reinstall
2684 19XX
See SRT
Diagnostic Time:
GFF
0150 0000
20 TU
Road test prior to service procedure
0121 0002
No allowance
Road test after service procedure
0121 0004
10 TU
Page 2 of 3
© 2019 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.
As per TSB #2044927/2
Claim Comment:
All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures
Manual. Claims are subject to review or audit by Audi Warranty.
Required Parts and Tools
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number
Part Description
Quantity
5Q0131984E
Supply line for reduction agent
01
See ETKA
Fasteners, Bolts, Nuts, and Screws as needed per the Repair Manual
See ETKA/ELSA
Additional Information
All parts and service references provided in this TSB (2044927) are subject to change and/or removal.
©2019 Audi of America, Inc. All rights reserved. The 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 3 of 3
© 2019 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.