A8723422070449_1

Technical Service Bulletin
87 Air distribution or heating/cooling adjustments inoperative - B109209, B174F09, B109009, B116909,
B108C09, B10B709
87 23 42 2070449/1 May 30, 2023.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
e-tron GT, and
RS e-tron GT
2023 – 2024
All
Not Applicable
Condition
Customer states:
The heating or cooling temperature delivery from the air vents and outlets is erratic (e.g. is not even from side to
side/upper to lower) or cannot be governed based on the input from the display and control head.
Workshop findings:
One or more of the following DTC(s) will be stored in the HVAC Electronics, J301 (address word 0008). The
DTC(s) may be either passive / sporadic or active / static:
• DTC B109209: Recirculation flap motor Component malfunction
• DTC B10C909: Left side vent motor Component malfunction
• DTC B174F09: Right rear air door motor Component malfunction
• DTC B173D09: Right footwell flap motor Component malfunction
• DTC B10CA09: Right side vent motor Component malfunction
• DTC B109009: Defroster flap motor Component malfunction
• DTC B10D909: Left footwell temperature door motor Component malfunction
• DTC B174E09: Left rear air door motor Component malfunction
• DTC B116909: Left rear temperature door motor Component malfunction
• DTC B108C09: Left temperature flap positioning motor Component malfunction
• DTC B116A09: Right rear temperature door motor Component malfunction
• DTC B108D09: Right temperature flap positioning motor Component malfunction
• DTC B10B709: Airflow door motor Component malfunction
• DTC B174A09: Left center indirect ventilation door motor Component malfunction
Technical Background
Page 1 of 4
© 2023 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.
Technical Service Bulletin
The control door motor(s) at issue runs beyond its end stop. When this occurs the control door motor(s) is
blocked and can no longer adjust its respective door.
The software for the HVAC Electronics control module, J301 (address word 0008) needs to be updated.
Production Solution
Not Applicable
Service
Applies to vehicles with high-voltage components:
To prevent charging of the high-voltage battery during the software update, the high-voltage cable is to be
removed BEFORE entry of the SVM code on vehicles with high-voltage components.
Charging the high-voltage battery during a software update can damage the high-voltage components.
1. Replace the affected control door motor(s).
2. Run SVM code 08A033.
3. After the update, the control door motor end stop adaptation must be performed using the function “Addressing
the A/C system actuators” in GFF.
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the A/C control module, J301 (address word 0008) using the SVM action code as listed in the table
below, if necessary:
Model
Old Software
Part Number
Old Software New Software
Version
Part Number
(or higher)
Audi e-tron GT,
Audi RS e-tron GT
4J3907040*
0525
New Software
Version
SVM Code
Input
(or higher)
4J3907040*
0710
08A033
Warranty
Claim Type:
• 110 Up to 48 Months/50,000 Miles.
• G10 for CPO Covered Vehicles – Verify Owner.
Page 2 of 4
© 2023 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.
Technical Service Bulletin
• If the vehicle is outside of any warranty, this Technical Service Bulletin is
informational only.
Service Number:
8720
Damage Code:
0040
Labor Operations:
Positioning motor remove and reinstall
8720 19XX
See SRT with
associated
operations
Software Update (Includes checking for
DTCs)
0151 0000
Time stated on
the diagnostic
protocol (Max
50 TU)
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
Diagnostic Time:
As per TSB 2070449/1
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
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number
Part Description
Quantity
8W0820511F
Quantity necessary
Motor for adjustment
Page 3 of 4
© 2023 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.
Technical Service Bulletin
Additional Information
All part and service references provided in this TSB (2070449) 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.
©2023 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 4 of 4
© 2023 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.