A1321142061461_3

13 Starter/generator drive belt is noisy or came off, DTC P2BA300 may be stored in the ECM
13 21 14 2061461/3 May 26, 2021. Supersedes Technical Service Bulletin Group 13 number 20-11 dated
December 17, 2020 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A6
2019 - 2021
All
2.0TFSI Hybrid
A4, A5, and
Q5
2021
All
2.0TFSI Hybrid
Condition
REVISION HISTORY
Revision
Date
Purpose
3
-
Revised header (Added A4 and A5)
2
12/18/2020
Revised header (Added Q5)
1
11/24/2020
Initial publication
Customer states:
 There is a grinding/squeaking/tweeting noise coming from the engine compartment.
Or
 A message in the driver information system (DIS) displays "Electrical system: Malfunction! Please go to
workshop" (if the poly V-belt has fallen off).
Workshop findings:
 The grinding/squeaking/tweeting noise is coming from the poly V-belt (alternator belt).
Or
 The poly V-belt is damaged or has fallen off the wheel roller.
The following DTC may be stored in the engine control module (ECM), J623 (address word 0001):
 DTC P2BA300 (Starter/Generator mechanical performance).
Technical Background
Deviation on the rollers of the belt tensioner.
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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.
Production Solution
Not applicable.
Service
Scenario 1: Grinding, squeaking or tweeting noises
1. Let the engine run at idle speed and assess the noise.
An example of the noise can be found at the following video:
https://audiexternal.kzoplatform.com/player/medium/1823282939031459668
(Figure 1).
Figure 1. QR code for supporting video.
2. For final confirmation of the source of the noise, spray the inside of the poly V-belt with a little tap water. One
spray blast out of a commercially available water spray bottle is enough. The noise should disappear as a
result.
3. If the noise disappears after spraying with water, replace the poly V-belt and belt tensioner.
Scenario 2: Poly V-belt damaged or fallen off
1. Replace the belt tensioner and poly V-belt.
Check for correct belt running alignment after poly V-belt and tensioner replacement as follows:
1. Run the engine at idle speed.
2. The belt must not protrude forward or backward over the roller edge of tensioner (Figure 2, red marks).
Page 2 of 5
© 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.
Figure 2. Check to ensure that the poly V-belt is not protruding in either direction.
Explanation of Figure 2 (view from above into the engine compartment):
A = poly V-belt.
B = tensioning roller of belt tensioner.
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:
1373
Damage Code:
 0020 (Noisy belt)
 0015 (Belt came off)
Page 3 of 5
© 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.
Labor Operations:
Diagnostic Time:
Claim Comment:
Ribbed belt remove + install
1372 1915
See SRT with
associated
operations
Belt tension damper remove + install
1373 1960
See SRT with
associated
operations
Check Poly V-Belt run alignment
1372 0199
10 TU
GFF – Checking and clearing fault codes
0150 0000
Time stated on
the diagnostic
protocol (Max 20
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 #2061461/3
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
Repair Manual
See ETKA/ELSA
See ETKA
Belt Tensioner
01
See ETKA
Poly-V Belt
01
Additional Information
All part and service references provided in this TSB (2061461) are subject to change and/or removal.
©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 4 of 5
© 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 5 of 5
© 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.