Technical Service Bulletin
20 MIL on - P310B00 - Low fuel pressure regulation, fuel pressure outside of tolerance - symptom 2638
20 23 63 2070281/2 November 22, 2023. Supersedes Technical Service Bulletin Group 20 number 23-61 dated
May 10, 2023 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

SQ7, SQ8, and
RS Q8

2020 – 2023

All

Not Applicable

Condition
Customer states:
• The MIL is illuminated.
Workshop findings:
The following DTC may be stored in the ECM -J623- (address word 1000):
• P310B00 Low fuel pressure regulation, fuel pressure outside of tolerance with Symptom code: 2638.

Technical Background
Lowside fuel pressure is above upper tolerance when looking at environmental conditions of the DTC.

Production Solution
New software implemented in Q1 2023.

Service
This TSB only applies if the DTC “P310B00: Low fuel pressure regulation, fuel pressure outside of tolerance” with
symptom 2638 is set in the ECM -J623- (address word 0001). It does not apply to any other symptom codes.
If the vehicle has the following part numbers please use the SVM code, it is not necessary to replace the electric
fuel pump.
Model

Old Software
Part Number

Old Software New Software Part New Software
Version
Number
Version
(or higher)

(or higher)

SQ7 and SQ8

4M0 906 014 B

0001

4M0 906 014 B

0003

RS Q8

4M8 907 557 F

0001

4M8 907 557 F

0002

SVM Code
Input
01A255
01A255

If the vehicles ECM software is not listed above please perform the following.
© 2023 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
Please check the fuel pressure sender for low-pressure G410 for plausibility using GFF MVBs. If the values are
plausible, do not replace the sender (G410). Please replace the electric fuel pump.
If the DTC P310B00 with symptom number 2638 is stored, first order fuel pump listed below specific for your
model (according to ETKA).

Warranty
Claim Type:

• 110 Up to 48 Months/50,000 Miles.
• G10 for CPO Covered Vehicles – Verify Owner.
• If the vehicle is outside of any warranty, this Technical Service Bulletin is
informational only.

Service Number:

2066

Damage Code:

0010

Labor Operations:

Replace fuel pump

2066 1950

See SRT with
associated
operations

Software update

0151 0000

See SRT with
associated
operations

GFF – Checking and clearing fault codes
included in existing labor operations

0150 0000

Time stated on the
diagnostic protocol
(Max 50 TU)

Road test prior to service procedure

No Allowance

0 TU

Road test after service procedure

No Allowance

0 TU

Diagnostic Time:

Claim Comment:

As per TSB 2070281/1

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.

Required Parts and Tools
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number

Part Description

See ETKA

Fasteners, Bolts, Nuts, and Screws as needed per the Repair Manual See ETKA/ELSA

© 2023 Audi of America, Inc.
Internal

Quantity

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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
4M0919087BP Fuel Pump Module

01

Additional Information
All parts and service references provided in this TSB (2070281) are subject to change and/or removal.
©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.

© 2023 Audi of America, Inc.
Internal

Page 3 of 3

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.