37 Transmission malfunction, DTC P17F600, U008000, and/or U010100 stored in TCM or ECM
37 19 86 2053878/3 March 21, 2019. Supersedes Technical Service Bulletin Group 37 number 19-85 dated
March 12, 2019 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A6, A7

2019

000001 - 050600

3.0TFSI

Condition
REVISION HISTORY
Revision Date

Purpose

3

-

Revised Required Parts and Tools (Corrected part number)

2

03/12/2019

Revised Service (Updated to specify that a new harness is supposed to be
installed)
Revised Required Parts and Tools (Added part number)

1

02/26/2019

Initial publication

Customer states:
 A transmission malfunction indicator is displayed in the instrument cluster.
 Multiple other warnings might be displayed in the instrument cluster.
Workshop findings:
The following DTCs may be stored in the transmission control module (TCM), J217 (address word 0002):
 DTC P17F600 (Parking lock solenoid Electrical error).
 DTC U008000 (Vehicle Communication Bus F).
The following DTCs may be stored in the engine control module (ECM), J623 (address word 0001):
 DTC U010100 (Lost Communication with TCM).

Technical Background
The transmission harness can come in contact with the crossmember and could be damaged.

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© 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.

Production Solution
Optimized wiring harness and routing implemented in production.

Service
1. Inspect for damage to the
transmission harness (Figure
1 - 4).
 Thoroughly inspect the
transmission wiring
harness for damage.
 Harness damage can be
very subtle. Even a light
chafing of the harness
wrap can cause the DTCs.
 If there is no harness
damage found, please
contact TAC.

Figure 1. Common areas for harness damage.

Page 2 of 7
© 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.

Figure 2. Example of a small rip in the protective tape.

Page 3 of 7
© 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.

Figure 3. The damage on the harness might be difficult to spot.

Page 4 of 7
© 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.

Figure 4. The cause of the DTC may be as a small as a pinhole.
2. Replace the transmission
harness with a new part and
reroute the transmission
harness. The transmission
harness should not be
repaired.
 Remove the old
transmission harness in the
vehicle.
 Wrap the exposed wires on
the new transmission
harness as shown in Figure
5.
 Mount and route the new
transmission harness as
shown in Figure 6.

Figure 5. Routing and wrapping of the aft part of the transmission harness.

Page 5 of 7
© 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.

Figure
6. Routing and mounting of the transmission harness behind the
crossmember.
3. The crossmember is shown dismounted in Figure 6 to show the new mounting points more clearly.
For mounting and installation of the new transmission harness, the cross-member does not have to be
disassembled.

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:

9781

Damage Code:

0024

Labor Operations:

Inspect transmission harness

9781 9999

40 TU

Repair or reroute transmission harness

9709 9999

80 TU

GFF – Checking and clearing fault codes
included in existing labor operations

0150 0000

Time stated on
diagnostic

Diagnostic Time:

Page 6 of 7
© 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.

protocol (Max 30
TU)

Claim Comment:

Road test prior to the service procedure

No allowance

0 TU

Road test after the service procedure

No allowance

0 TU

As per TSB #2053878/3

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

See ETKA

Fasteners, Bolts, Nuts, and Screws as needed per the
Repair Manual

See ETKA/ELSA

4K0971769A

Transmission Wiring Harness

01

N10729301

Tape

Up to .2

Additional Information
All parts and service references provided in this TSB (2053878) 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 7 of 7
© 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.