A4324822073034_1

Technical Service Bulletin
43 Air suspension system fault - DTC C118D01 Compressor for level control electrical error
43 24 82 2073034/1 February 19, 2024.
Model(s)
Year
A6, A6 allroad,
S6, RS 6 Avant,
A7, S7, RS 7,
A8, S8, e-tron
quattro, e-tron
Sportback
quattro, e-tron S, 2023 – 2024
Q5, Q5 e quattro,
Q5 Sportback,
SQ5, SQ5
Sportback, Q7,
SQ7, Q8, SQ8,
and RS Q8
Q8 e-tron, Q8
Sportback e-tron,
SQ8 e-tron, and
SQ8 Sportback
e-tron
VIN Range
Vehicle-Specific Equipment
All
Air Suspension
2024
Condition
Customer states:
The message “Air suspension: system fault” is shown in the instrument cluster.
Workshop findings:
The following DTC is logged in the suspension control unit J775 (diagnostic address 0074):
• C118D01: Compressor for level control electrical error.
Technical Background
Not applicable.
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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
Improved software for compressor electronics J1135 is planned.
Service
The described procedure only applies if compressor electronics with part number index A are fitted in the vehicle
(affected part number 4M0.907.778.A) (Figure 1, number 30).
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© 2024 Audi of America, Inc.
Internal
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. Verify that the compressor electronics is part number 4M0.907.778.A.
If no irregularities are found when checking the wiring/contacts at the air compressor and compressor electronics
J1135, proceed as follows:
• If the DTC is passive/intermittent, delete the DTC.
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© 2024 Audi of America, Inc.
Internal
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
If the DTC is logged as active/static and remains active/static after the ignition is switched off and then on again,
replace the control unit for compressor electronics J1135 (not the air compressor).
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:
4316
Damage Code:
0039
Labor Operations:
Check wiring between control units J775
and J1135
4316 0199
30 TU
Remove and install control unit J1135
4316 19xx
See SRT with
associated
operations
GFF
0150 0000
Time stated on
the diagnostic
protocol
Diagnostic Time:
(Max 50 TU)
Claim Comment:
Road test prior to the service procedure
No allowance
0 TU
Road test after the service procedure
No allowance
0 TU
As per TSB 2073034/1
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.
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© 2024 Audi of America, Inc.
Internal
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
Required Parts and Tools
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number
Part Description
Quantity
See ETKA
Fasteners, Bolts, Nuts, and Screws as needed per the Repair
Manual
See ETKA/ELSA
See ETKA
Control unit for compressor electronics J1135 (if necessary)
01
Additional Information
All parts and service references provided in this TSB (2073034) are subject to change and/or removal.
©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.
Page 5 of 5
© 2024 Audi of America, Inc.
Internal
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.