A9119042053776_2

91 Adaptive Cruise Assist is not available, DTCs C12EBF1, C12EB92, B200042 or B200047 stored in the
laserscanner
91 19 04 2053776/2 October 22, 2019. Supersedes Technical Service Bulletin Group 91 number 19-30 dated
February 1, 2019 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A7, A8, Q8,
and Audi etron quattro
2019 - 2020
All
With Adaptive Cruise Assist
Q7
2020
All
With Adaptive Cruise Assist
Condition
REVISION HISTORY
Revision
Date
Purpose
2
-
Revised title (Added DTCs)
Revised header (Added MY2020, Q7, and PR Code)
Revised Condition (Added DTCs)
Revised Service (Updated instructions and SVM Update table)
1
02/01/2019
Initial publication
Customer states:
 The adaptive driving assistance is not available or cannot be activated.
Workshop findings:
One of the following DTCs may be stored in the control module for laserscanner, J1122 (address word 00CD):
 DTC C12EBF1 (laser for adaptive cruise control, malfunction) with symptom code 12582934, 11567120,
and/or 11546627.
Or
 DTC C12EB92 (laser for adaptive cruise control, malfunction) with symptom code 11546631 and/or 11546632.
Or
 DTC B200042 (control unit faulty) with symptom code 12582935.
Or
 DTC B200047 (control unit faulty) with symptom code 11567121.
Page 1 of 3
© 2019 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 Background
The software needs to be updated to correct the adaptive driving assistance activation issue.
Production Solution
Not applicable.
Service
If DTC C12EB92 is stored:
 Replace the control module for laserscanner, J1122 according to the repair manual.
 After the parts are replaced, check the software version.
 SW Version 0205: no further actions necessary.
 SW Version < 0205: perform the SVM code listed below
SVM Update Instructions:
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the control module for laserscanner, J1122 (address word 00CD) using the SVM action code as listed
in the table below, if necessary:
Model
Old Software
Part Number
Old Software New Software
Version
Part Number
New Software
Version
SVM Code Input
(or higher)
A6, A7, A8,
Q7, Q8 and
Audi e-tron
quattro
0200
4K8907660B
0201
4K8907660B
0205
CDA002
0202
Tip: After the update, a bus sleep has to be awaited before clearing DTCs.
Tip: After the update to SW0205, the DTC C12EBF1 with symptom code 11546627 may still be stored.
However, this DTC has no more influence on the system’s functionality after the update and can now be ignored.
If the adaptive cruise assist can be reactivated, the vehicle can be released to the customer.
Page 2 of 3
© 2019 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.
Warranty
Claim Type:
 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If vehicle is outside any warranty, this Technical Service Bulletin is
informational only.
Service Number:
9159
Damage Code:
0039
Labor Operations:
Software Update
0151 0000
Time stated on
diagnostic
protocol (Max
75 TU)
Diagnostic Time:
GFF
No allowance
0 TU
Road test prior to service procedure
No allowance
0 TU
Road test after service procedure
No allowance
0 TU
Claim Comment:
As per TSB #2053776/2
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.
Additional Information
The following Technical Service Bulletin will be necessary to complete this procedure:
 TSB 2011732, 00 Software Version Management (SVM), operating instructions.
All part and service references provided in this TSB (2053776) 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.
©2019 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.
Page 3 of 3
© 2019 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.