A9022532066620_1

Technical Service Bulletin
PSS 90 Instrument Cluster: CNG service reminder or CNG mode active message is displayed briefly
90 22 53 2066620/1 March 22, 2022.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
e-tron quattro
2019 – 2022
e-tron Sportback
quattro
2020 – 2022
All
Not Applicable
A8, A8 e quattro,
and S8
2021
All
With Virtual Cockpit
A4 allroad, A4,
S4, A5, A5
Cabriolet, A5
Sportback, S5,
S5 Cabrilolet, S5
Sportback, RS
5, and RS 5
Sportback
2021 – 2022
All
With Virtual Cockpit & Without CNG Engine
A6, A6 allroad,
S6, RS 6 Avant,
A7, A7 e quattro,
S7, RS 7, Q5,
Q5 e quattro, Q5
Sportback, SQ5.
SQ5 Sportback,
Q7, SQ7, Q8,
SQ8, and RS Q8
2021 - 2022
All
With Virtual cockpit
e-tron GT, and
RS e-tron GT
2022
All
Not Applicable
Condition
Customer states:
The messages
“CNG inspection”
Or
“CNG mode active”
Are displayed on the instrument cluster very sporadically, despite the vehicle not having a CNG engine.
The messages disappear after the ignition is cycled off and on again.
Workshop findings:
• No relevant DTCs are stored.
© 2022 Audi of America, Inc.
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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
Technical Background
Under investigation.
Production Solution
Not Applicable.
Service
1. Explain to the customer that a solution is expected to be available by the end of the 1st quarter of 2023 (subject
to change) and that no repairs are necessary at this point. Do not replace any components for this condition
since this will not resolve the customer’s concern.
2. Create a PSS record in the PSS application through the Pending Service Solutions (PSS) link in AccessAudi
(under Related Links >> Service), or through the Technical Assistance page in Elsa.
Warranty
This TSB is informational only and not applicable to any Audi Warranty.
Additional Information
All part and service references provided in this TSB (2066620) 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.
©2022 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.
© 2022 Audi of America, Inc.
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.