A9120782057052_3

91 MIB2 High: Navigation data read error/reboots, DTC B126CF0 and/or B126CF1 stored in the information
module
91 20 78 2057052/3 June 18, 2020. Supersedes Technical Service Bulletin Group 91 number 20-37 dated
February 20, 2020 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A5, Q5
2018 - 2020
All
MIB2 High
A3, A6, A7,
and TT
2016 - 2020
All
MIB2 High
A4, Q7, and
R8
2017 - 2020
All
MIB2 High
Condition
REVISION HISTORY
Revision
Date
Purpose
3
-
Revised header (Added model year)
Revised Service (Added Tip and updated TSB reference)
2
02/20/2020
Revised title
Revised header (Added DTC)
Revised Condition (Added DTC)
1
10/31/2019
Initial publication
Page 1 of 11
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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.
Customer states:
 The MMI shows the message
“Read error occurred when
accessing the navigation data”
after initialization (Figure 1).
 The MMI reboots constantly.
Figure 1. The error message is shown on initialization.
Workshop findings:
The following DTCs may be stored in the Information electronics control module 1, J794 (address word 005F):
 DTC B126CF0 (Navigation system Navigation database malfunctioning).
 DTC B126CF1 (Navigation system Navigation database not present).
Technical Background
If the navigation map database is corrupted during an online update, the message from Figure 1 is displayed and
the navigation system is unavailable. The DTC B126CF0 is entered into the information electronics, J794
(address word 005F).
Production Solution
Not applicable.
Page 2 of 11
© 2020 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.
Service
1. In ODIS, please select
“OBD” (1). Then select the
005F – Information Control
Unit 1 (2) (Figure 2).
Figure 2. Select the 005F module.
Page 3 of 11
© 2020 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.
2, In the drop-down menu
“Control module OBD”,
select “Basic Settings” (3),
then click on the arrow to
the right (4) (Figure 3).
Figure 3. Select the basic settings.
Page 4 of 11
© 2020 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.
3. In the list on the left, select
“[VO]_HDD_Partition_Form
at” (5), then click the single
right-pointing arrow in the
center (6) (Figure 4).
Figure 4. Select the basic setting.
Page 5 of 11
© 2020 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.
4. Hit the “Next” button on the
bottom right (7) (Figure 5).
Figure 5. Select next.
Page 6 of 11
© 2020 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.
5. Make sure that the value for
the parameter
“[LO]_Routine Control
Option Partition” says
“Navigation data base” (8),
then click “Next” (9) (Figure
6).
Tip: Make sure that
the “Navigation data base”
is selected. An incorrect
selection in this step might
render the control
module/unit nonviable.
Figure 6. Navigation data base partition.
Page 7 of 11
© 2020 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.
6. Click “Next” one more time
(10) (Figure 7).
Figure 7. Select next.
Page 8 of 11
© 2020 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.
7. Select “Start” (11). The
basic setting should
complete within a few
seconds (Figure 8).
Figure 8. Execute the basic setting.
8. Update the navigation database according to the steps in TSB 2037809: “91 MIB MMI navigation map
update "How-to guide" - potential customer concerns”. This will reinstall a working navigation database.
Tip: Always perform a full map update via SD Card! Online updates are not supported after formatting the
NavDB partition. An activation document is not required and will not be reimbursed by warranty.
Page 9 of 11
© 2020 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 the vehicle is outside any warranty, this Technical Service Bulletin is
informational only.
Service Number:
9196
Damage Code:
0039
Labor Operations:
Format the Navigation Database Partition via
OBD
0151 0000
15 TU
Program infotainment control unit & Test
Functionality
9196 0299
70 TU
GFF
0150 0000
Time stated on
the diagnostic
protocol (Max 50
TU)
Road test prior to the service procedure
No allowance
0 TU
Road test after the service procedure
No allowance
0 TU
Diagnostic Time:
Claim Comment:
As per TSB #2057052/3
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
See TSB 2037809.
Additional Information
The following Technical Service Bulletin(s) will be necessary to complete this procedure:
 TSB 2037809, 91 MIB MMI navigation map update "How-to guide" - potential customer concerns.
All part and service references provided in this TSB (2057052) 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.
Page 10 of 11
© 2020 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.
©2020 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 11 of 11
© 2020 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.