Technical Service Bulletin
93 Red battery symbol, DTC P0B1300, P33F000, or U059B00 is stored in the hybrid battery management
module
93 23 08 2068491/2 May 19, 2023. Supersedes Technical Service Bulletin Group 93 number 22-88 dated
November 15, 2022, for reasons listed below.
Model(s)

Year

A7 e quattro

2021 – 2022

Q5 e quattro

2020 – 2022

VIN Range

Vehicle-Specific Equipment

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

2

-

Revised Service (Added software update for A7 and MY 2020 and 2021 Q5)
Revised Header (Added A7 and MY 2020 and 2021 Q5)

1

11/08/2022

Initial publication

Customer states:
• In the instrument cluster, the red battery symbol is shown with the text
“Electrical system: fault. Safely stop vehicle” (Figure 1).
• After switching the ignition off and then on again, the warning lamp is off and
the vehicle works again.

Figure 1. Red battery symbol.

Workshop findings:
The following DTC is stored in the hybrid battery management module, J840 (address word 008C):
• DTC P0B1300 (Hybrid/HV battery current measurement sender 1/2 variation) with symptom code 14348.
This TSB applies if one of the following DTC Combinations is logged in the hybrid battery management module,
J840 (address word 008C):
DTC

Description

DTC #2

P0B1300

Only entry in 008C

none

P0B1300

In combination with P33F000

P0B1300

In combination with U059B00

Page 1 of 5
© 2023 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.

Technical Service Bulletin
The TSB does not apply if other DTCs in addition to the above combinations are logged in the hybrid battery
management module, J840 (address word 008C). In this case, continue diagnosis outside of the TSB.
Note:
According to Guided Fault Finding, the switching unit for high-voltage battery should be replaced.
However, replacing the part will not solve the problem.

Technical Background
There are certain issues with the internal communication between the switching unit electronics and the
power/voltage sensor.

Production Solution
Not Applicable

Service
This TSB replaces Pending Service Solution (PSS) 2062211: PSS 93 Red battery symbol, DTC P0B1300 is

stored in the hybrid battery management module.

If the above condition applies to the vehicle the Hybrid Battery Management software part number and
version must be checked.
Using ODIS identify the hybrid battery regulation control module (J840) address word 008C (Figure 2).
• If the software part number is 4M4915233G with version 0371 perform SVM update Option 1 below .
• If the software part number is not 4M4915233G with version 0371 perform SVM update Option 2 below .

Figure 2. Hybrid Battery Management software and version

Page 2 of 5
© 2023 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.

Technical Service Bulletin
SVM Update Option 1 Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the Hybrid Battery Management control unit (J840) using the SVM action code as listed in the
table below, if necessary:
Note:
To prevent the high-voltage battery from charging during the software update, the high-voltage charging
cable on vehicles with high-voltage components must be unplugged BEFORE the SVM code is entered.
Charging the high-voltage battery during a software update can cause damage to the high-voltage
components.

Model

Old Software

Old

New Software

New Software

SVM Code

Part Number

Software

Part Number

Version

Input

Version
Q5 TFSIe

4M4915233G

0371

(or higher)
4M4915233K

0373

8CA009

SVM Update Option 2 Instructions
Note:
For this repair option two SVM codes will need to be run and they must be in the order provided below:
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the Hybrid Battery Management control unit (J840), the Battery Junction Box (SX6) and the Cell
Module Control units (CMC) using the SVM action code as listed in the table below, if necessary:
Note:
To prevent the high-voltage battery from charging during the software update, the high-voltage charging
cable on vehicles with high-voltage components must be unplugged BEFORE the SVM code is entered.
Charging the high-voltage battery during a software update can cause damage to the high-voltage
components.

Page 3 of 5
© 2023 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.

Technical Service Bulletin
Model

Old Software Old

New Software

Part Number Software Part Number
Version

Q5 TFSIe

A7 TFSIe

4M0915233R

0273
0274

New Software SVM Code
Version

Input

(or higher)
4M0915233C

0278

4K0915233

0275

4K0915233A

0278

4M4915233B

0371

4M4915233B

0373

8CA011
+
8CA011KONF

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:

9327

Damage Code:

0040

Labor Operations:

Software Update

0151 0000

Time stated on
diagnostic
protocol (Max 80
TU)

Diagnostic Time:

GFF

No allowance

0 TU

Road test prior to service procedure

No allowance

0 TU

Road test after service procedure

No allowance

0 TU

Claim Comment:
As per TSB 2068491/2
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 (2068491) 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

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© 2023 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.

Technical Service Bulletin
Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©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.

Page 5 of 5
© 2023 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.