20 MIL on, DTC P310B00, P008700, P014800, P120F00 or P030000 are stored in the ECM
20 21 34 2060377/3 January 25, 2021. Supersedes Technical Service Bulletin Group 20 number 20-30 dated
September 18, 2020 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A8. S8

2019 - 2021

All

V8 TFSI

Condition
REVISION HISTORY
Revision Date

Purpose

3

-

Revised header (Updated engine codes and removed VIN break)

2

09/18/2020

Revised title
Revised Condition (Added possible additional DTCs)

1

08/13/2020

Initial publication

Customer states:
 MIL on.
Or
 The engine does not start or intermittently does not start.
Workshop findings:
 According to the specific ambient conditions the low fuel pressure actual value is smaller than the low fuel
pressure specified value.
The following DTC may be stored in the engine control module (ECM), J623 (address word 0001):
 DTC P310B00 (low fuel pressure control, fuel pressure outside specification).
Additional DTC’s that may be stored upon misfiring could also include:
 DTC P008700 (Fuel Rail/System Pressure - Too Low).
 DTC P014800 (Fuel Delivery Error).
 DTC P120F00 (Cold Start Fuel Pressure Performance Bank 2).
 DTC P030000 (Random/Multiple Cylinder Misfire Detected).

Technical Background
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© 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.

Not applicable.

Production Solution
Improved part has been implemented into production.

Service
1. Check the fuel line 06M 133
986 AD (Quick Connector) for
a defect (Figure 1).

Figure 1. Good condition part or defective part.

Page 2 of 4
© 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.

2. A non-concentric fit of valve
stem can be a further
indication of internal
component damage (Figure
2).

Figure 2. Check the valve stem fit.
3. Should you find an irregularity, then replace the damaged component.
4. Please take photos and upload them into DOC-IT with the repair order. Photos should:
 Have a date stamp and VIN reference.
 Be taken in focus and with sufficient light.

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:

2441

Damage Code:

0010

Labor Operations:

Fuel line engine compartment remove +
reinstall

2037 5599

50 TU

Diagnostic Time:

GFF

0150 0000

Time stated on
the diagnostic

Page 3 of 4
© 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.

protocol (Max 20
TU)

Claim Comment:

Road test prior to the service procedure

0121 0002

10 TU

Road test after the service procedure

0121 0004

10 TU

As per TSB #2060377/3

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

06M133986AD

Fuel line

01

Tool Number

Tool Description

VAS 6160/VAS 6150

VAS tester with current version of ODIS
(Windows 10)

Additional Information
All parts and service references provided in this TSB (2060377) 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
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 4 of 4
© 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.