A9024842032113_9
Service Bulletin Details
Public Details for: A9024842032113_9
This bulletin provides general information regarding outside air temperature readings.
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Technical Service Bulletin 90 Outside air temperature reading: general information 90 24 84 2032113/9 April 16, 2024. Supersedes Technical Service Bulletin Group 90 number 23-56 dated November 15, 2023 for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment All Audi Vehicles 2008 - 2024 All Not Applicable Condition REVISION HISTORY Revision Date Purpose 9 - Revised Service (changed wording) 8 11/15/2023 Revised header (Added MY 2025) 7 04/13/2023 Revised header (Added MY 2024) Customer states: • The outside ambient temperature display is incorrect. Technical Background To achieve a smoothening effect of the displayed outside ambient temperature, the value shown does not instantaneously follow the temperature sensor measurement. The display will not change faster than 4° F (2° C) per minute. This concept applies to both falling and rising temperatures. A programming strategy is also implemented to avoid incorrect readings on a parked vehicle, due to the temperature sensor being affected by outside influences such as radiant heat from the engine bay, elevated road surface temperatures, etc. Incorrect readings are avoided through the following logic: • After switching the ignition on, temperature changes are only shown after 30 seconds for a stationary vehicle (vehicle speed = zero and the engine switched off). • When the vehicle drives faster than 12 mph (20 km/h), only rising temperature values are displayed during the first 3 miles (5 km). • If the measured ambient temperature is above the displayed value but falling, the display is not changed. • When the coolant temperature reaches 104° F (40° C) and the speed drops to under 12 mph (20 km/h), only falling ambient temperature values are shown. For example, in stop-and-go traffic when the vehicle is often below 12 mph (20 km/h), it can take some time before the displayed temperature is correct. • If the conditions above are noted during these typical driving scenarios, the sensor is not at fault and does not need to be replaced. © 2024 Audi of America, Inc. Internal Page 1 of 2 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 Production Solution Not applicable. Service Explain the operation to the customer. Warranty This TSB is informational only and not applicable to any Audi Warranty. Additional Information All part and service references provided in this TSB (2032113) 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. ©2024 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. © 2024 Audi of America, Inc. Internal Page 2 of 2 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.