A8723432070582_1

Technical Service Bulletin
87 A/C display control head E87 inoperative, DTC B200046 stored in 0008
87 23 43 2070582/1 June 8, 2023.
Model(s)
Year
A3, S3, and RS 3 2022 – 2023
VIN Range
Vehicle-Specific Equipment
All
Not Applicable
Condition
Customer states:
The E87 front A/C display control head is blank and contains no readout. No adjustments to the climate control
system are possible from the display head.
Workshop findings:
The following DTC is stored in the Control Module J979 Heating and Air Conditioning Control Module (address
word 0008):
•
DTC B200046 Control module faulty, active/static
Technical Background
The symptom can be reproduced. The vehicle has experienced an under voltage event and/or has experienced
an issue in the high-voltage system or in the vehicle voltage supply. As a result the memory capability of the
Heating and Air Conditioning Control Module is compromised and this DTC entry is stored and creates this
symptom.
Production Solution
Not Applicable
Service
Page 1 of 3
© 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
Switch off the ignition. Remove the 30 power supply to
the J979 Heating and Air Conditioning Control Module
by removing fuse SC43 (Figure 1) for at least 30
minutes.
After this time period reinstall this fuse, turn the ignition
on, readdress the 0008 module and the DTC can then
be cleared.
The readout on the E87 front A/C display control head
will return and normal HVAC control is restored.
Figure 1. Location of fuse SC43 in fuse panel C –SC-.
Warranty
Claim Type:
110 Up to 48 Months/50,000 Miles.
G10 for CPO Covered Vehicles – Verify Owner.
If the vehicle is outside of any warranty, this Technical Service Bulletin is informational
only.
Service Number:
8711
Damage Code:
0040
Labor Operations:
Interrupt 30 terminal power to J979
8704 4199
20 TU
Diagnostic Time:
GFF
0150 0000
Time stated on
the diagnostic
protocol (Max 20
TU)
Road test prior to the service procedure
No allowance
0 TU
Page 2 of 3
© 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
Road test after the service procedure
No allowance
0 TU
As per TSB 2070582/1
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.
Additional Information
All part and service references provided in this TSB (2070582) 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 3 of 3
© 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.