A4521222064758_1

45 DTC B2F0100, U012700, U112200, and/or U112300 is stored in the ABS control module
45 21 22 2064758/1 October 11, 2021.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Audi e-tron
GT, Audi
RS e-tron
GT
2022
All
Not Applicable
Condition
Customer states:
 No customer concerns, it is found during PDI or any other diagnostic work.
Workshop findings:
 The ABS/ESC warning lamp may flash in the instrument cluster when the diagnostic tester is connected.
During PDI inspection the following DTCs might be found in the ABS control module, J104 (address word 0003):
 DTC B2F0100 (Development code 1) with symptom codes: 358656 (static) and 339457 (intermittent).
And/Or
 DTC U012700 (Tire Pressure Monitoring Control Module - no Communication) with symptom code 358656
(static).
In addition to one or more of the above DTCs, the below DTCs may also appear:
 DTC U112200 (Data bus implausible message) may be logged with symptom code 303616 (static).
And/Or
 DTC U112300 (Data bus error value received) may be logged with symptom code 169948 (intermittent) and
with symptom code 303360 (static).
Note:
The static DTCs cannot be erased.
The intermittent DTCs can be erased but will be logged again as soon as the conditions for them occur.
Technical Background
The DTCs above are logged for design reasons (control module communication) but do not cause any issues for
the customer. The function of the ABS/ESC is not altered or restricted by these DTCs.
Page 1 of 3
© 2021 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.
Production Solution
Not applicable.
Service
Erase all intermittent DTCs in the ABS control module, J104 (address word 0003), and release the vehicle.
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:
4530
Damage Code:
0040
Diagnostic Time:
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
As per TSB #2064758/1
Claim Comment:
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 (2064758) 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.
©2021 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
Page 2 of 3
© 2021 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.
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
© 2021 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.