39 All-wheel drive coupling does not work, DTC C111204 stored in the all-wheel drive control module
39 20 33 2043144/7 July 13, 2020. Supersedes Technical Service Bulletin Group 39 number 18-22 dated August
31, 2018 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

TT

2013 - 2019

All

quattro all-wheel drive

A3, Q3

2015 - 2019

All

quattro all-wheel drive

Condition
REVISION HISTORY
Revision

Date

Purpose

7

-

Revised header (Added Model Years 2016 through 2019)
Revised Required Parts and Tools (Updated Model Years in Parts Table)

6

08/31/2018

Revised title
Revised Required Parts and Tools (Q3 Parts updated)

5

02/26/2018

Revised Required Parts and Tools (Added Pump Repair Kit for 2013 to
2015 TT and 2015 Q3)

Customer states:
One or both of the following issues are present:
 All-wheel drive does not work.
 The EPC warning lamp is illuminated.
Workshop findings:
The following DTC is stored in the all-wheel drive control module, J492 (address word 0022):
 DTC C111204 (All Wheel Drive clutch pump faulty).

Technical Background
There is an internal leak in the hydraulic pump.

Page 1 of 4
© 2020 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
Improved hydraulic pump.

Service
1.

Before proceeding, confirm that the issue matches the Condition exactly.

2.

Confirm that the propeller shaft from the transmission to the differential is transmitting power to the rear
differential.

3.

Replace the BorgWarner™ clutch pump according to the Elsa Repair Manual.

4.

Replace the high performance oil for the BorgWarner clutch according to the Elsa Repair Manual.

5.

Perform all-wheel drive basic settings.
Note:

The final drive and the BorgWarner clutch have separate oil
circuits. Refer to ETKA for information on which oil to use,
and refer to the Elsa Repair Manual for draining and filling
information.
 The BorgWarner™ clutch uses high performance oil for
clutches, and the final drive uses gear oil.
 The image on the right (Figure 1) shows the correct drain
and fill plugs.

Figure 1. Drain plug for BorgWarner clutch oil,
(A) oil filler plug for BorgWarner clutch oil, (B),
gear oil drain plug, and (C) oil filler plug for gear
oil (D).

Warranty
Claim Type:

 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If vehicle is outside any warranty, this Technical Service Bulletin is informational
only.

Service Number:

3994

Damage Code:

0040

Page 2 of 4
© 2020 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.

Labor Operations:

Pump for AWD remove + reinstall

3994 1900

See SRT

Diagnostic Time:

GFF

0150 0000

Time stated on
the diagnostic
protocol (Max 70
TU)

Road test prior to service procedure

0121 0002

10 TU

Road test after service procedure

0121 0004

10 TU

Claim Comment:

As per TSB #2043144/7

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
TT Model Years 2013-2014

0AY598549A

Repair kit for primer pump

01

TT and A3 Model Years 2015-2019
0CQ598549

Repair kit for primer pump

01
Q3 MY 2015

Note: Requires a check of the currently installed part!
0AY598549A

Repair kit for primer pump (Check the installed part # and order the
correct replacement part)

Or

01

0CQ598549
Q3 MY 2016-2019
0CQ598549

Repair kit for primer pump

01
All Vehicles

G 060175A2

High performance oil for all wheel drive coupling

01

Page 3 of 4
© 2020 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.

N 90281802

Seal bolt

01

N 10720201

Bolt with polygon socket head

01

N 91082701

Bolt with hex socket head

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 (2043144) are subject to change and/or removal.
©2020 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 4 of 4
© 2020 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.