A0115322040962-2

Technical Service Bulletin
01 MIL on (DTC P20E800)
01 15 32 2040962/2 July 22, 2015. Supersedes Technical Service Bulletin Group 01 number 15-25 dated June 19,
2015 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Q5, A6, A7, A8
2014 - 2015
All
TDI clean diesel
Condition
REVISION HISTORY
Revision
Date
Purpose
2
-
Revised Production Solution (Completely revised)
Revised Service (Completely revised)
Revised Warranty (Completely revised)
Revised Required Parts and Tools (Completely revised)
1
6/19/2015
Initial publication
• MIL on.
• DTC P20E800 (Reductant pressure too low) is stored in the engine control module (ECM), J623 (address word
01).
• No relevant component or electrical problems are found when Guided Fault Finding (GFF) is run on the stored
fault codes.
Technical Background
Hardware and software update is needed.
Production Solution
• Software improvement with more robust onboard diagnostics.
• Optimized check valve in AdBlue delivery module. Additional checks at module supplier.
• New pumps pretested at supplier for pressure build-up behavior.
© 2015 Audi of America, Inc.
Page 1 of 4
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.
Technical Service Bulletin
Service
1. Update the software by following the SVM Update Instructions below.
Tip: If the ECM software is already at the updated levels shown in the Service section below, skip to the
next step to replace the AdBlue delivery module.
2. Replace the AdBlue pump (reducing agent delivery module) by following the instructions in the Elsa Repair
Manual (Engine >> 6-cylinder TDI Common Rail Engine (Gen II) >> 26 Exhaust System, Emission Controls,
Selective Catalytic Reduction System).
Do not contact TAC unless the problem persists after the software/hardware update or if there is a problem
with the SVM process.
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the engine control module (ECM), J623 (address word 01), using the SVM action code as listed in the
table below if necessary.
Model
Engine
Old Software
Part Number
Old Software
Version
New Software
Part Number
New
Software
Version
SVM Code
Input
(or higher)
Q5
CPNB
8K5907401J
< 0005
8K5907401J
0005
01A209
Q5
CPNB
8K5907401S
*
8K5907401AC
0002
01A209
A6,A7
CPNB
4G0907401N
< 0005
4G0907401N
0005
01A209
A6,A7
CPNB
4G0907401T
*
4G0907401AA
0002
01A209
A8
CPNA
4H0907401F
< 0009
4H0907401F
0009
01A209
A8
CPNB
4H0907401K
*
4H0907401N
0002
01A209
© 2015 Audi of America, Inc.
Page 2 of 4
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.
Technical Service Bulletin
Warranty
Claim Type:
Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin
is informational only.
Service Number:
2360
Damage Code:
0039
Labor Operations:
For Q5:
Reductive agent tank remove+reinstall
2681 1900
90 TU
Reductive agent supply module remove+reinstall
2683 1950
30 TU
Reductive agent tank remove+reinstall
2681 1900
110 TU
Reductive agent supply module remove+reinstall
2683 1950
20 TU
Reductive agent tank remove+reinstall
2681 19XX
See Elsa
Reductive agent supply module remove+reinstall
2683 1950
30 TU
Reductive agent inspect+add (reuse)
2688 3550
See Elsa
Software update
2360 2599
50 TU
GFF
0150 0000
20 TU
Road test prior to service procedure
No allowance 0 TU
Road test after service procedure
0121 0004
For A6, A7:
For A8:
For all vehicles:
Diagnostic Time:
10 TU
Technical diagnosis at dealer’s discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:
As per TSB #2040962/2
© 2015 Audi of America, Inc.
Page 3 of 4
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.
Technical Service Bulletin
Required Parts and Tools
Part Number
Part Description
Quantity
8R0131969D (Q5, MY15 A8)
Reductive Agent Supply Module
1
4G0131969E (A6,A7, MY14 A8)
Additional Information
All parts and service references provided in this TSB (2040962) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.
© 2015 Audi of America, Inc.
Page 4 of 4
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.