A0123432069351_1

Technical Service Bulletin
01 Engine Crankcase breather Whistling Noise and DTC P227900 warning light ON
01 23 43 2069351/1 February 7, 2023.
Model(s)
Year
A8
2019 – 2022
S8
2020 – 2022
RS 6 Avant, RS
7, SQ7, SQ8,
and RS Q8
2021 – 2022
VIN Range
Vehicle-Specific Equipment
All
Not Applicable
Condition
Customer states:
• Exhaust warning light is ON.
AND/OR
• A whistling noise can occasionally be heard from the engine compartment.
Workshop findings:
The following DTCs may be stored in the engine control module ECM, J623 (address word 0001):
• DTC P227900 Intake Air System.
• DTCs connected to misfires may be present on bank 2.
Technical Background
Not applicable.
Production Solution
Not applicable.
Service
In this case, replace the full load breather line for cylinder bank 1.
1. Do not replace the oil separator for bank 1 or bank 2 or the part load breather lines.
2. Please refer to image of the crankcase breather from the Self Study Program 920493 as a guide.
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
Item 1: Non-return valve
Item 2: Oil separator for bank 1
Item 3: Part load breather line
Item 4: Full load breather line (Replacement required)
Item 5: Oil separator for bank 2
Item 6: Non-return valve
Item 7: Full load breather line
Item 8: Part load breather line
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:
1050
Damage Code:
0010
Labor Operations:
Remove and install engine cover
Diagnostic Time:
1083 1900
Max 30 TU
Remove and install heat shield (RS6 and RS7) 2612 1923
Max 30 TU
Remove and install air filter housing
2425 1923
Max 60 TU
Remove and install crankcase breather hose
1052 1920
Max 20 TU
GFF – Checking and clearing fault codes
included in existing labor operations
0150 0000
Max 15 TU
Road test prior to the service procedure
0121 0002
10 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
0121 0004
10 TU
As per TSB 2069351/1
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.
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 (2069351) 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.