A9321442062631_1

93 Various ghost DTC stored in the HV battery charger ECU: B200000, P0CA400, P33E300, U15BF00 or
U112100 etc.
93 21 44 2062631/1 March 29, 2021.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Audi e-tron
quattro,
Audi e-tron
Sportback
2021 - 2022
All
Not Applicable
Condition
Customer states:
 No customer concerns, it is found during PDI or any other diagnostic work.
Workshop findings:
The following DTCs with symptom code may be stored in the high-voltage battery charger control module, J1050
(address word 00C6):
Diagnostic
address
00C6
DTC
Designation
Symptom Code
B1A8AF0
Charge door 1 LIN actuator, path of movement fault
3211268
B194B13
Charge flap 2 search illumination – open circuit
3211295
B200000
Control module faulty
1049088
P0CA400
Hybrid/High voltage battery load voltage too high
14745862
P1A1500
Charging unit 2 function restriction
14746766
P31D100
Charge socket A temperature sensor electrical error
14750742
P33E300
Charge socket A, communication error
2097664
P178E00
Function restriction due to excessive temperature
14750734
U15AC00
Signal damping log malfunction
3280913
U15B500
Quick battery charging (DC) – Charging station not
active
2097301
U15BF00
Intelligent charging function – faulty communication
3276840
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.
3276846
3276852
U15C900
Safety module (FuSi) function intervention
13709330
13705477
13705501
U112100
Data bus missing message
13705524
13705553
13706243
Technical Background
Diagnosis issue in software version 0079 of the high-voltage battery charger control module, J1050 (address word
00C6). A revised software version is in development in which the above DTC will no longer be stored without
cause.
Production Solution
Not applicable.
Service
The DTCs listed above stored in the high-voltage battery charger control module, J1050 (address word
00C6) are entered erroneously and can be ignored (so called ghost DTCs).
Note:
If there is a customer concern regarding charging, this TSB does not apply, and the vehicle must be
repaired following Guided Fault Finding.
1. Do not perform any repairs. Any repairs or part replacements for this concern may be denied.
2. This condition is normal.
Warranty
This TSB is informational only and not applicable to any Audi Warranty.
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.
Additional Information
All part and service references provided in this TSB (2062631) 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
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.