A9423682070694_1
Service Bulletin Details
Public Details for: A9423682070694_1
This bulletin provides information when there is a functional issue with switching of lights in the rear lid. Dtc B146C29.
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Technical Service Bulletin 94 Functional issue with switching of lights in rear lid, B146C29 94 23 68 2070964/1 November 17, 2023. Model(s) Year Q7 2017 – 2024 Q5, and SQ5 2018 – 2025 Q5 e quattro 2020 – 2025 SQ7 2020 – 2024 Q5 Sportback 2021 – 2025 SQ5 Sportback 2021 - 2025 VIN Range Vehicle-Specific Equipment All Not Applicable Condition Customer states: • The taillights do not switch correctly when the rear lid is opened or closed. • The taillights in the bumper light up constantly. Workshop findings: The following DTC may be stored in the comfort system central control module, -J393- (address word 0046): • DTC B146C29: Rear Lid Closed Sensor Range/Performance Technical Background The taillights do not switch correctly when the rear lid is opened or closed due to foreign bodies in the area of the latch or the rear lid sensor. Production Solution Not applicable. Service 1. Check the area of the rotary latch for coarse dirt such as stones or other loose foreign bodies (Figure 1-2). © 2023 Audi of America, Inc. Internal Page 1 of 3 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 1: Dirt and debris interfering with the operation of the rear lid sensor. Figure 2: Dirt and debris interfering with the operation of the rear lid sensor. 2. Please remove coarse dirt such as stones or other loose foreign bodies from the area of the latch or the rear lid sensor and then check whether the taillights switch correctly. 3. If this is not the case, check the measured value block in the convenience control unit (diagnostic address 0046) to see whether the sensors are working properly and perform any other required repair work. © 2023 Audi of America, Inc. Internal Page 2 of 3 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 Claims for replaced parts will not be reimbursed. Warranty This damage is due to outside influence and is not covered by any Audi Warranty. Additional Information All part and service references provided in this TSB (2070964) 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. © 2023 Audi of America, Inc. Internal Page 3 of 3 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.