2033589/1

Technical Service Bulletin
43 Vehicle lowers itself, air suspension warning light on, software outdated (PR-2MB or 1BK)
43 13 16 2033589/1 May 8, 2013.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Q7
2010 - 2012
All
PR-2MB / PR – 1BK Air Suspension
Condition
• The vehicle is a Q7 with suspension PR-2MB or PR-1BK.
• Customer may complain that the vehicle lowered on its own, and that the warning lights for air suspension and
headlight range regulation are on in the instrument cluster.
• Any 2 of the following DTCs are stored in the level control system control module, J197 (address word 34):
• DTC 774 (Left rear level control system sensor - G76: no signal/communication)
• DTC 775 (Right rear level control system sensor - G77: no signal/communication)
• DTC 776 (Left front level control system sensor - G78: no signal/communication)
• DTC 1769 (Sensor for vehicle leveling right front – G289: no signal/communication)
• At least two DTCs, for two different sensors, must be stored (e.g., front right and rear right) for this TSB to be
applicable.
Technical Background
A random combination of two vehicle level sensors with similar frequency signal affects the level control system
control module.
Production Solution
Not applicable.
© 2013 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
Service
• If the DTCs are sporadic and have occurred less than three times, the software is the cause. Update the
software using the instructions below.
• If the DTCs are still present after the vehicle has been asleep (e.g., parked and locked for at least 30 minutes)
or if the DTCs have occurred more than three times, the software is not the cause and this TSB does not apply.
Use Guided Fault Finding to diagnose the vehicle.
Software Update:
1. Update the level control system module, J197 (address word 34), with SVM code 34A003. The software
version after the update is SW7890.
2. After the software update, code and then adapt the level control system module. If the module is not coded and
then adapted after the software update, then the update will not work.
Tip: The software update can only be used for the following control module versions:
Hardware
Part number
Software version
4L0907553
4L0910553D
H03 SW7700
4L0910553G
H03 SW7770
4L0910553H
H03 SW7870
4L0910553H
H04 SW7870
4L0907553E
An update of other control module versions is not possible and is not allowed with this TSB.
© 2013 Audi of America, Inc.
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
Warranty
Claim Type:
Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin
is informational only.
Service Number:
4316
Damage Code:
0039
Labor Operations:
Charge battery
2706 8950
10 TU
Diagnostic Time:
GFF
0150 0000
Time stated on
diagnostic
protocol
Road test prior to service procedure
No allowance
0 TU
Road test after service procedure
No allowance
0 TU
Technical diagnosis at dealer’s discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:
As per TSB #2033589/1
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with
your Parts Department and service manuals for the latest information.
© 2013 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.