A9323312068363_4

Technical Service Bulletin
93 DTCs P0C4A00, P2B2800 and/or P0CFF00 Stored in the Hybrid Battery Management control unit
93 23 31 2068363/4 October 2, 2023. Supersedes Technical Service Bulletin Group 93 number 23-06 dated May
9, 2023 for reasons listed below.s
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Q4 e-tron, and
Q4 Sportback etron
2022 – 2024
All
Not Applicable
Condition
REVISION HISTORY
Revision Date
Purpose
4
Revised Service (Updated service instructions)
-
Revised header (Added MY)
3
05/09/2023 Revised Service (Added V590 location)
Revised Parts and Tools (Updated parts information)
2
4/26/2023
Revised header (Added Model Year)
Revised Warranty (Updated Labor Operations)
Customer states:
• The warning message “Electric drive: fault. Please contact workshop” appears in the dash panel insert.
Workshop findings:
The customer statement can be reproduced.
At least one of the following DTCs is logged in Hybrid Battery Management (BMCe) J840 (address word 008C):
• DTC P0C4A00 Activation of coolant pump 1 for hybrid/high voltage battery malfunction.
or
• DTC P0CFF00 Hybrid/EV Battery Pack Coolant Pump Stuck.
and/or
• DTC P2B2800 Hybrid/EV Battery Pack Coolant Pump Performance.
Technical Background
Residual air in the cooling system may cause dry running of the coolant pump.
Production Solution
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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
Not applicable.
Service
If one or more of the faults specified above is entered, proceed as follows:
In order to erase a static event memory entry, the control units must be in bus sleep mode.
To ensure that no problems occur during the bleeding routine, it is essential that the high-voltage system is within
a defined temperature range.
Check the temperature in the Hybrid Battery Management (BMCe) J840 (address word 008C) Measured Value
Block: 2A0B (IDE01838) battery temperature. The temperature must be in the range of 3-35°C.
• Erase event memory entry.
• If event memory entry remains static, coolant pump V590 must be replaced according to the workshop
manual, otherwise:
• Perform bleeding routine twice via Guided Fault Finding.
• Then evaluate the complaint again.
If the fault does not return:
• The vehicle can be returned to the customer.
If the fault returns:
• The coolant pump (V590) must be replaced according to the Workshop Manual.
Tip:
Figure 1: V590 location.
Warranty
Claim Type:
• 110 up to 48 Months/50,000 Miles.
• G10 for CPO Covered Vehicles – Verify Owner.
© 2023 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
• If the vehicle is outside any warranty, this Technical Service Bulletin is
informational only.
Service Number:
9382
Damage Code:
0040
Labor Operations:
Check vehicle (initiate bus
sleep mode)
0689 0199
10 TU
If necessary:
9382 19xx
See SRT
GFF (Checking and
clearing fault and Bleeding
Procedures)
0150 0000
Time stated on
diagnostic protocol
Road test prior to service
procedure
No allowance
0 TU
Road test after service
procedure
No allowance
0 TU
Remove and install coolant
pump
(Claim-related SRTs per
ELSA for the specific
vehicle)
Diagnostic Time:
(Max 120 TU)
As per TSB 2068363/4
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.
Required Parts and Tools
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number
Part Description
Quantity
See ETKA
Fasteners, Bolts, Nuts, and Screws as needed per the See ETKA/ELSA
Repair Manual
1EA 965 567 D
If required
OR
Water Pump (Order to VIN in ETKA)
1
1EA 965 567 L
(See ETKA for correct
parts suffix)
© 2023 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
Additional Information
All parts and service references provided in this TSB (2068363) are subject to change and/or removal.
©2023 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.
© 2023 Audi of America, Inc.
Page 4 of 4
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.