A4522242063679_3

Technical Service Bulletin
45 DTC C1399F0 is stored in the ABS control module
45 22 24 2063679/3 May 20, 2022. Supersedes Technical Service Bulletin Group 45 number 21-19 dated July 23,
2021, for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
All
Not Applicable
e-tron
GT, and
2022 –
RS e-tron
2023
GT
Condition
REVISION HISTORY
Revision
Date
Purpose
3
-
Revised header (Added Model Year)
2
07/23/2021
Revised Warranty (Updated Claim Type)
1
06/16/2021
Initial publication
Customer states:
• Recuperation too low when braking on new vehicle.
Or
• After brake discs/brake pads have been replaced.
Workshop findings:
The following DTC may be stored in the ABS control module, J104 (address word 0003):
DTC C1399F0 (Brake application mode active).
© 2021 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
The brake application mode for breaking in the pad on the disc is being used for the first time at Audi.
This can be initiated with the Test Plan “003 Brake-In Service Pads”.
At the same time, recuperation is deactivated and braking is performed manually. During this time, the specified
DTC (C1399F0) is logged in the ABS control module, J104 (address word 0003).
The breaking-in process then takes place when the brakes are applied while driving. This is not shown actively to
the customer in the instrument cluster or the MMI.
This mode and the DTC are deactivated automatically when the required amount of energy is reached, (for
example: when the breaking-in process is complete).
Production Solution
Not applicable.
Service
If the brake discs and/or brake pads are replaced, or the DTC is present, proceed as follows:
• Select the following TEST Plan in ODIS (via GFF or Guided Functions): 003 Break-in service brakes.
• Reevaluate the vehicle and release it afterward.
Warranty
Claim Type:
• 1EB up to 48 Months/50,000 Miles.
• If the vehicle is outside any warranty, this Technical Service
Bulletin is informational only.
Service Number:
DADP
© 2021 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
Damage Code:
0010
Diagnostic Time:
GFF
0150 0000
Time stated
on the
diagnostic
protocol (Max
50 TU)
Claim Comment:
As per TSB 2063679/3
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.
Additional Information
All part and service references provided in this TSB (2063679) 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.
© 2021 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.