A8720042058598_1

87 Warm air from vents with top open and HVAC off
87 20 04 2058598/1 February 20, 2020.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A3 Cabriolet
2018 - 2020
All
Not Applicable
Condition
Customer states:
 The customer feels a flow of warm air from the panel vents or footwell when the convertible top is open and
the HVAC system is turned off.
 This symptom is intermittent.
Technical Background
There is an intermittent control strategy malfunction under certain atmospheric conditions.
Production Solution
There has been a refinement in the control strategy beginning with SW 161. This was a rolling implementation.
Service
The existing climatronic control module, J255 (address word 0008) cannot be updated and must be
replaced. Refer to the following table:
Original Hardware
Number
Original Software
Number
New Hardware Number
New Software Number
8V0820043M
< SW 150
8V0820043AM
> SW 161
8V0820043AE
< SW 150
8V0820043AM
> SW 161
8V0820043Q
< SW 150
8V0820043AL
> SW 161
8V0820043AF
< SW 150
8V0820043AL
> SW 161
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.
8V0820043T
< SW 150
8V0820043AN
> SW 161
Warranty
 110 up to 48 Months/50,000 Miles.
Claim Type:
 G10 for CPO Covered Vehicles – Verify Owner.
 If the vehicle is outside any warranty, this Technical Service Bulletin is informational
only.
Service Number:
8704
Damage Code:
0039
Labor Operations:
HVAC control replace
8704 5500
See SRT
Diagnostic Time:
GFF
0150 0000
Time stated on
the diagnostic
protocol (Max 30
TU)
Road test prior to the service procedure
01 21 00 02
10 TU
Road test after the service procedure
01 21 00 04
10 TU
As per TSB #2058598/1
Claim Comment:
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
The part numbers mentioned in this TSB are different than the ones listed in ETKA. Only use parts listed in this
TSB, this includes superseding part numbers!
Part Number
Part Description
Quantity
8V0820043AM
01
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.
Display and Operating Unit
-or8V0820043AL
01
Display and Operating Unit
-or8V0820043AN
01
Display and Operating Unit
Additional Information
All parts and service references provided in this TSB (2058598) are subject to change and/or removal.
©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.