A1923402069248_3
Service Bulletin Details
Public Details for: A1923402069248_3
Models from 2022
2022 AUDI RS Q8 |
2022 AUDI RS6 |
2022 AUDI RS6 AVANT |
2022 AUDI RS7 |
2022 AUDI SQ7 |
2022 AUDI SQ8 |
Models from 2021
2021 AUDI A8 |
2021 AUDI RS Q8 |
2021 AUDI RS6 |
2021 AUDI RS6 AVANT |
2021 AUDI RS7 |
2021 AUDI S8 |
2021 AUDI SQ7 |
2021 AUDI SQ8 |
Models from 2019
2019 AUDI A8 |
Technical Service Bulletin 19 Red Coolant warning lamp comes on OR MIL on, DTC P218100 and/or P1BB400 19 23 40 2069248/3 August 10, 2023. Supersedes Technical Service Bulletin Group 19 number 23-38 dated May 10, 2023, for reasons listed below. Model(s) Year A8 4.0L 2019 – 2021 S8 2020 – 2021 SQ7, SQ8, and RS Q8 2020 – 2022 RS 6 Avant, and RS 7 2021 – 2022 VIN Range Vehicle-Specific Equipment All Not Applicable Condition REVISION HISTORY Revision Date Purpose 3 - Revised Service (Updated service instructions) 2 5/10/2023 Revised Service (Updated service instructions) 1 01/26/2023 Initial publication Customer states: • The red coolant temperature warning is displayed in the instrument cluster and the engine fans are running. However, according to the coolant temperature gauge, the engine temperature is not excessively high. Or • MIL on. Workshop findings: The following DTCs are stored in the Engine Control Module, -J623- (address word 0001): • DTC P218100: Cooling System Performance. (Must be stored.) • DTC P1BB400: Cylinder head temperature too low. (May also be present.) Technical Background In some instances, corrosion between the brass bushing and the heating pin leads to inaccurate open and close positions during the operating temperature range. The surface treatment process of the thermostat sleeve has been improved to minimize corrosion. © 2023 Audi of America, Inc. 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 Production Solution Replacing the Map Controlled Engine Cooling Thermostat F265 will correct this. Some models will have optimized software in the Engine Control Module, -J623- (address word 0001), please see the service section for additional details. Service Replace Map Controlled Engine Cooling Thermostat F265. Please also check that the ball-type non-return valves in the two quick-release couplings for the coolant breather line which connects the engine and the main radiator to the coolant expansion tank are present and are working correctly. To ensure correct functioning, the balls must be able to move freely and the valves must open in the normal direction of flow toward the expansion tank but close toward the engine/main radiator (refer to “Connection diagram – coolant lines” in ELSA). 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: 1958 Damage Code: 0010 Diagnostic Time: Claim Comment: © 2023 Audi of America, Inc. Thermostat remove + reinstall 1958 1973 See SRT with associated operations. Check non-return valves 19 86 20 99 20 TU GFF 0150 0000 Time stated on the diagnostic protocol (Max 15 TU) Road test prior to the service procedure No allowance 0 TU Road test after the service procedure 0121 0004 10 TU As per TSB 2069248/3 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 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 Tool Number Tool Description VAS 6160/VAS 6150 VAS tester with the current version of ODIS (Windows 10). Additional Information All part and service references provided in this TSB (2069248) 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. 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.