Technical Service Bulletin
55 Guide to finding water ingress on the rear lid structure
55 24 01 2073283/2 August 30, 2024. Supersedes Technical Service Bulletin Group 55 number 24-93 dated
March 5, 2024 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

Q4 e-tron, and
Q4 Sportback etron

2022 - 2025

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

2

-

Revised header (Add MY 2024 - 2025)
Revised Service (Add photo / video documentation requirement)
Revised Required Parts and Tools (Remove images)
Revised Required Parts and Tools (Remove tools table)

1

03/06/2024

Initial publication

Customer states:
•

When the rear lid is opened, water can be heard sloshing from the bottom of the rear lid shell to the top of the
rear lid shell.

•

Water may run into the rear lid hinges and into the vehicle.

Workshop findings:
•

The presence of water is confirmed in the rear lid shell. The point of water entry cannot be conclusively
determined.

Technical Background 1
The seam sealer used to seal adjoining panels may have a flaw causing a small opening that can allow water to
enter the rear lid shell. This TSB shows areas of the rear lid shell where sealer flaws may exist.

Production Solution
The sealer application process has been improved in production.

© 2024 Audi of America, Inc.
Internal

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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

Confirm the symptom, and that it is clearly attributable to the issue described in the Technical
Background in this TSB. The following work procedure must only be carried out if the symptom
described has been confirmed and the source of the water ingress is as described in the
Technical Background.
1. Remove the rear lid trim and
perform a leak test on the rear
lid. With the lid trim removed
visual and physical access to
the rear lid structure can be
gained. Mix a solution of dish
detergent and water and add to
a spray bottle. Spray the
solution on the area shown in
Figures 1, 2 and 3 while blowing
compressed air from the inside
of the rear lid structure and
watch for bubble formation.

Figure 1. Bubble formation with compressed air applied internally.

© 2024 Audi of America, Inc.
Internal

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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

Figure 2. Bubble formation with compressed air applied internally.

© 2024 Audi of America, Inc.
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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

Figure 3. Bubble formation with compressed air applied internally.
4. Figure 4 shows a possible
location of insufficient sealant.

Figure 4. Area where sealant may be missing.

© 2024 Audi of America, Inc.
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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
5. In cases where the sealer flaw
is in a concealed area (e.g.,
behind a tail lamp) the openings
can be repaired by applying D
476KD1M2 or D 476KD1M3
sealant to the openings with a
brush. To the corresponding
area on the inside of the rear lid
shell apply D 321M16M2 cavity
preservative using a brush.
Ensure the application area is
thoroughly clean and allow the
sealant to cure as
instructed. Touch up painted
Figure 5. Concealed areas repaired with D 476KD1M2 or D
surfaces as necessary.
476KD1M3 sealant.
6. If the sealer flaw is in a visible area send the vehicle to your body shop for repair as finish paintwork
will be required.
7. Please take photos of the customers’ concern and upload them into DOC-IT with the repair order.
Photos should
•

Have a date stamp and VIN reference.

•

Be taken in focus and with sufficient light.

Warranty
Claim Type:

•

Service Number:

5559

Damage Code:

0050

Labor Operations:

Remove and install rear lid trim

7092 1900

See SRT with
associated
operations

Center taillight lens remove and reinstall

9432 1950

See SRT with
associated
operations

Leak inspection of rear lid and perform sealant
restoration

5559 5199

30 TU

Body paint application with a brush. Includes
the paint material (concealed area).

5101 7941

See SRT with
associated
operations

© 2024 Audi of America, Inc.
Internal

If the vehicle is outside any warranty, this Technical Service Bulletin is
informational only.

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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

Diagnostic Time:

Claim Comment:

Body repair and paint work through body shop. 5101 7999
Includes the surface preparation (visible area).

150 TU

Body seal coat cavity

5101 7501

See SRT with
associated
operations

GFF

No allowance

0 TU

Road test prior to the service procedure

No allowance

0 TU

Road test after the service procedure

No allowance

0 TU

As per TSB 2073283/2

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

D 476KD1M2

Sealant

0.1

Anti-corrosion wax

0.3

-ORD 476KD1M3
D 321M16M2

Or the following alternative product available from the Top Service Supplies and Touch Up Paint estore:
08852

Cavity Wax

0.3

3M™ Cavity
Wax

Additional Information
All parts and service references provided in this TSB (2073283) are subject to change and/or removal.
©2024 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
© 2024 Audi of America, Inc.
Internal

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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
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.

© 2024 Audi of America, Inc.
Internal

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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.