A9120852046489_4
Service Bulletin Details
Public Details for: A9120852046489_4
This bulletin contains information on how to diagnose if the speakers have a hardware restriction that causes them to sound like they have been blown.
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2020 AUDI TT |
2020 AUDI TT RS |
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2019 AUDI TT |
2019 AUDI TT RS |
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91 Bang & Olufsen: Scraping noises from the woofer door speaker with bass-heavy songs 91 20 85 2046489/4 July 13, 2020. Supersedes Technical Service Bulletin Group 91 number 18-90 dated April 23, 2018 for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment TT, TTRS 2015 - 2019 All With Bang & Olufsen TT, TTRS 2020 000000 - 900501 Or With Bang & Olufsen 000000 - 003335 Condition REVISION HISTORY Revision Date Purpose 4 - Revised header (Added MY19, MY20, and VIN breaks) Revised Technical Background (Updated information) Revised Production Solution (Updated improvement date) Revised Service (Updated repair instructions) Revised Warranty (Updated Labor Operations) Revised Additional Information (Added TSB reference) 3 04/23/2018 Revised title Revised Warranty (Updated Labor Operations) 2 11/16/2017 Revised header (Added model years and VIN breaks) Revised Technical Background (Updated information) Revised Production Solution (Updated improvement date) Revised Service (Updated repair instructions) Revised Warranty (Updated Labor Operations) Customer states: Poor audio reproduction or speakers sound blown. Workshop findings: Unwanted scraping type noises are coming from the woofer speakers located in the doors. Page 1 of 4 © 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. Technical Background The woofer speaker can have a hardware restriction which causes a noise similar to a blown speaker. Additionally, a software improvement is available for the sound amplifier for this condition. Production Solution Improved woofer speaker in the driver and passenger door and new Target Data Container (ZDC) update in the sound system control module, J525 (address word 0047) addressed the condition. Service 1. Follow TSB 2018187: 91 Sound system: speaker rattles, vibrations or audio interference and ensure there are no outside influences that can be removed to fix the concern. If the concern is due to outside influence, this TSB does not apply. Section 1: SVM Update Instructions 2. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions. 3. Update sound system control module, J525 (address word 0047) using the SVM action code as listed in the table below, if necessary: Model TT Old Target Data Container Number 8S0909510C Old Target Data Container Version New Target New Target SVM Code Data Container Data Container Input Number Version (or higher) * 8S0909510C (or higher) 0013 47A005 4. If the noise persists after performing the SVM Update in Section 1, and the root cause is identified as the woofer speaker in either the drivers or passenger then continue to Section 2. Otherwise, continue repairs outside of this TSB. Section 2: Noise persists after SVM Update 5. Inspect the woofer speaker of both the driver and passenger doors. 6. If part number 8S0 035 298 or 8S0 035 297 is found, replace both woofers with part numbers 8S0 035 297 A and 8S0 035 298 A. Page 2 of 4 © 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. Tip: A mixed installation between updated speakers is not allowed and will cause damage to the system. Warranty Claim Type: 110 up to 48 Months/50,000 Miles. G10 for CPO Covered Vehicles – Verify Owner. If the vehicle is outside any warranty, this Technical Service Bulletin is informational only. Service Number: 9140 Damage Code: 0040 Labor Operations: Section 1 Software Update (Includes checking for DTCs) 0151 0000 Time stated on the diagnostic protocol (Max 100 TU) Remove and install 2 front speakers 9140 2052 See SRT Check 2 front speakers 9140 0299 10 TU GFF 0150 0000 0 TU Road test prior to service procedure No allowance 0 TU Road test after service procedure No allowance 0 TU Section 2 Diagnostic Time: Claim Comment: As per TSB #2046489/4 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. Page 3 of 4 © 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. 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 8S0035297A Woofer Drivers Door As Needed 8S0035298A Woofer Passenger Door As Needed Additional Information The following Technical Service Bulletin(s) will be necessary to complete this procedure: TSB 2018187, 91 Sound system: speaker rattles, vibrations or audio interference. TSB 2011732, 00 Software Version Management (SVM), operating instructions. All part and service references provided in this TSB (2046489) 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 4 of 4 © 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.