97 Corroded splices found under the driver's carpet - Repair Authorization
97 20 77 2060250/1 July 22, 2020.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

Q7

2017 - 2021

All

Not Applicable

Q8

2019 - 2021

All

Not Applicable

Q5, SQ5

2018 - 2021

All

Not Applicable

SQ7, SQ8

2020 - 2021

All

Not Applicable

Condition
Customer states:
 Various warning messages can be displayed in the instrument cluster.
 Various malfunctions may be present in the vehicle.
Workshop findings:
 Corroded splice points are found in the vehicle interior wiring harness under the carpet on the driver's side.

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.

Production Solution
No changes to production have been made, as no issue has been identified.

Service
To determine the cause of the corroded splice points we need your support with the analysis.
If corroded splice points are found under the driver’s side carpet, please hold repairs and perform the following
steps:
 Inspect the surrounding area for signs of water ingress.

Page 1 of 3
© 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.

 Are there water marks on the fuse box under the footrest?
 Are there water marks in the sill area of the side of the vehicle?
 Are there water marks near the HVAC drain tube?
 Which area of the vehicle interior wiring harness is or was wet?
 If water is found, locate the source of the leak.
 Peel back the harness tape covering the splice.
 Identify what splice point is damaged (ex. B304, B698, etc.)
 Save GFF ID or log of the original scan of the vehicle.
 Take 1 perspective photo showing the location of the splice.
 Take 1 close up of the splice showing wire colors and damage.
 Create a TAC contact and supply the above information in a web ticket.
Figure 1 and 2 are examples of the two photos needed when creating a TAC ticket:

Figure 1. Perspective showing the location of the
splice.

Figure 2. Close up of the wire color and damage.

Note:

Page 2 of 3
© 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.

The following chart should only be used as a guide for splice point locations and possible symptoms. Standard
diagnosis should still be used to locate the root cause.

Splice

Symptom

Location

B304

Driver seat inoperative

LF Sill

B468

Secondary air, motor mount, radiator shutter LF Sill

B698

AC system failure, LIN circuit 2

LR near center of tunnel

B711

Ambient lighting inoperative

LF sill

Warranty
This TSB is informational only and not applicable to any Audi Warranty.

Additional Information
All parts and service references provided in this TSB (2060250) are subject to change and/or removal. Always
check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the
Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©2020 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
© 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.