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NHTSA ID Number: 10183457

Manufacturer Communication Number: A4620192061331_1

TSB/Document Date: 2020-12-04


Summary

This bulletin contains instructions for addressing an ABS warning light with DTCs C050200 and/or C050800.


46 ABS warning light on, DTC C050200 and/or C050800 is stored in the ABS control module
46 20 19 2061331/1 November 18, 2020.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A4, S4, and
A4 allroad

2017 - 2020

All

Not Applicable

A4, S4

2021

A000001 – 016973
Or

Not Applicable

N000001 - 003930
A4 allroad

2021

000001 - 017347

Not Applicable

A5, A5
Cabriolet,
A5
Sportback,
S5, S5
Cabriolet,
S5
Sportback,
RS 5, and
RS 5
Cabriolet

2018 – 2020

All

Not Applicable

RS 5
Sportback

2019 - 2020

All

Not Applicable

A5, A5
Cabriolet,
A5
Sportback,
S5, S5
Cabriolet,
and S5
Sportback
RS 5, RS 5
Cabriolet,
and RS 5
Sportback

T*000001 – 012755
2021

Or

Not Applicable

B*000001 - 012382

A*000001 – 901254
2021

Or

Not Applicable

N*000001 - 901339

Condition
Customer states:
 There is an ABS warning light on in the instrument cluster.
Workshop findings:
One or more of the following DTC(s) may be stored as static or sporadic in the ABS control module, J104
(address word 0003):

Page 1 of 5
© 2020 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.

 DTC C050200 (front left wheel speed sensor Short circuit to ground).
 DTC C050800 (front right wheel speed sensor Short circuit to ground).

Technical Background
The ABS sensor wire may not be properly crimped to the pin of a front wheel speed sensor connector.

Production Solution
Improved crimping process of the wheel speed and brake pad harness.

Service
If one of the DTCs described above is found in the ABS control module, then follow the instructions below for
replacing the harness.
Note:
If the wire is crimped properly then this TSB does not apply. Please continue with normal diagnosis.
1. Ensure the strands of the wire are
protruding past the crimp sleeve
(Figure 1).

Figure 1. Properly crimped wire.

Page 2 of 5
© 2020 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.

2. If the wire is found to be improperly
crimped, then replace the affected
harness for the front speed sensor
and brake pad wear indicator (Figure
2).

Figure 2. Improperly crimped wire.
3. ETKA illustration 927-010 can be
used to determine the harness
needed (Figure 3).

Figure 3. ETKA image of harness.

Page 3 of 5
© 2020 AudieBay logo 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.

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:

 Left : 9715
 Right: 9716

Damage Code:

0021 for left or right

Labor Operations:

Remove and install wheel

4405 1900

See SRT with
associated
operations

Remove and install front wheel arch liner

6616 1999

20 TU

Check front wiring harness

9715 0199

10 TU

Remove and install front wiring harness
(includes loosening of the engine control unit
and coolant expansion tank if needed)

9715 1999

30 TU

GFF

0150 0000

Time stated on
the diagnostic
protocol (Max 50
TU)

Road test prior to the service procedure

No allowance

0 TU

Road test after the service procedure

0121 0004

10 TU

Diagnostic Time:

Claim Comment:

As per TSB #2061331/1

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.

Page 4 of 5
© 2020 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.

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

Repair kit for front speed sensor and brake pad wear
indicator

01 (if needed)

Additional Information
All parts and service references provided in this TSB (2061331) are subject to change and/or removal.
©2020 AudieBay logo 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 AudieBay logo 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
© 2020 AudieBay logo 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 AudieBay logo 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.

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TSB/Document ID: A4620192061331_1

Replacement Service Bulletin Number:

MFR Communication Date: 2020-11-18

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

MFR Component System:

MFR Component Subsystem:


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