Technical Service Bulletin
93 e-tron GE various warning messages in the cluster, electric motor leaking P0AA600
93 25 52 2073858/6 January 23, 2025. Supersedes Technical Service Bulletin Group 93 number 24-46 dated
December 19, 2024 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

All

Not Applicable

2019

e-tron

2021 – 2023

e-tron Sportback 2020 – 2023
Q8 e-tron, Q8
Sportback e-tron,
S Q8 e-tron, and 2024 – 2025
SQ8 Sportback
e-tron

Condition
REVISION HISTORY
Revision

Date

Purpose

6

-

Revised title (Updated title)

5

12/19/2024

Revised Service (Updated measure)

4

11/07/2024

Revised Warranty (Added labor operations)

Customer states:
•

A Drive System/Electrical System Malfunction message (Figure 1) appears in the in the instrument cluster;
the warning may not be present at the time of inspection.

Figure 1. Warning lamp associated with message.
Workshop findings:
The following DTC is stored in the Battery manager control module -J840-, (address word 008C):
•

Hybrid/EV Battery Voltage System Isolation.

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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
and/or
•

During a workshop visit, an internal leak (e.g., coolant drip container is full; coolant leaking from active
chamber on front or rear axle) has been determined on the electric drive motor.

Technical Background 1
Electric drive motor damaged due to internal coolant leak.

Production Solution
Not applicable.

Service
Check coolant leak and localize the source of the leak:
Only if the following information is given can it be assumed that the electric drive motor is damaged due
to an internal coolant leak:

In this case, check the seal on the coolant expansion tank beforehand and re-secure it after performing
any required work. Vehicles should never be operated without a correctly filled cooling system.

Rear axle (Figure 2):
Drip container is overflowing:
Coolant leaking from active chamber.
Drip container is empty:
Coolant leaking from active chamber, particularly on vehicles with low mileage.

© 2025 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

Figure 2: (1) Drain plug.
Front axle (Figure 3):
Coolant leaking from active chamber.

Figure 3: 1) Resolver cover: A few milliliters of coolant leakage is not an issue from a technical perspective. 2)
Active chamber: No coolant may escape from the bores.
Caution:
The power electronics must not be replaced if the electric drive motor is leaking.

© 2025 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 power and control electronics for electric drive must be replaced as a group, then this must be
billed separately (see warranty accounting instructions).

Warranty
Claim Type:

•

Service Number:

9340 (If front electric drive motor was replaced)

Damage Code:

0050

If the vehicle is outside of any warranty, this Technical Service Bulletin is
informational only.

OR
Service Number:

9346 (If rear electric drive motor was replaced)

Damage Code:

0050
OR

Service Number:

9350 (If the power and control electronics for electric drive were replaced; this
must be billed separately)

Damage Code:

T055

Labor Operations:

Check electric drive motor for front axle for 9340 0199
leaks

Bill according to time
required

Check electric drive motor for rear axle for
leaks

9346 0199

Bill according to time
required

Replace front drive motor

9340 55xx

See SRT with
associated
operations

Replace electric drive motor for rear axle

9346 55xx

See SRT with
associated
operations

Replace 2 electric drive motors for rear
axle, e-tron S

9346 56xx

See SRT with
associated
operations

Replace front power and control
electronics for electric drive

9350 5599

80 TU

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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
Replace rear power and control electronics 9350 5599
for electric drive

80 TU

Replace 2 rear power and control
electronics for electric drive, e-tron S

9350 5699

110 TU

Deactivate and activate the high-voltage
system

9310 835X

See SRT with
associated
operations

Charge battery

2706 8950

See SRT with
associated
operations

GFF

0150 0060

Time stated on the
diagnostic protocol

No Allowance

0 TU

0121 0004

10 TU

• Test drive before th
Section may remain blank.
e service procedure
Test drive after the service procedure
Claim Comment:

As per TSB 2073858/6

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 parts and service references provided in this TSB (2073858) are subject to change and/or removal.
©2025 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.

© 2025 Audi of America, Inc.
Internal

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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.