TSB_2080446_2 Service Bulletin/Repair Instructions

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Technical Service Bulletin Transaction No.: 2080446/2

01 Engine control unit, fuel rail pressure sensor PO1C400 (symptom 46314,46312) 4- Release date: Jan 28. 2026

cyl. 2.0 TFSI

Condition
Model(s) Year(s) VIN Range Vehicle Specific Equipment
Ad, Q5, and Q5 :
Sportback 2025 All Not applicable

REVISION HISTORY

Revision | Date Purpose

2 - Revised warranty table (Added labor operation)

1 12/12/2025 | Initial publication
Customer states:

* The exhaust emissions warning lamp lights up in the instrument cluster.

Workshop findings:
* The following DTC and symptom code(s) is/are logged in the contro! module name -J623-, (address word

0001)
— P01C400 “Fuel Rail Pressure Sensor 1 Range/Performance’” with symptom 46314.

-  P01C400 “Fuel Rail Pressure Sensor 1 Range/Performance’” with symptom 46312.
Technical Background
Software issue in the engine control unit.
Production Solution

Not applicable.
Service
This bulletin replaces PSS 2080114, 07 PSS Engine: Engine control module, fuel rail pressure sensor PO1C400

(symptom 46314) 4 cyl. 2.0 TFSI.
Please check whether TSB 2079690, 00 Combined software update 03.10.00/C (28.13.01) KD2 is visible for this

vehicle. If this is the case, perform the software update described in TSB 2079690.
Warranty
Claim Type: * — If the vehicle is outside of any warranty, this Technical Service Bulletin is informational

only.
Service Number: 2470
Damage Code: KDO2

Labor Operations: | Software update, including connecting battery 01510010 |See SRT with

charger associated
operations
Fixed rate for software update, including all required |01510040 |130TU

preliminary and follow-up work (including bus sleep

cycle, calibration drive, additional work and restarting

software update if flashing is aborted)
In the case of additional attempts after flash abort 01509999 |50TU

occurred, an additional lump sum of 50 time units can
be claimed per flash cancellation Per each
documented attempt
Claim Comment: As per TSB 2080446/2
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.
When performing the combined software update, time stamps are not required for billing under warranty. You are

therefore permitted to work on other vehicles at the same time. The combined software update can also be

performed by non-productive personnel.
Additional Information
The software must be updated on a control unit in this vehicle, or the software must be updated on several control

units in this vehicle to ensure they function correctly in conjunction with the other control units in this vehicle. Please

inform the customer about the software update in question and ask whether they or other third parties have modified

the software (e.g. tuning or retrofitting involving modifications to the vehicle software).
Please inform the customer that this software update may neutralize previous modifications to the vehicle software

performed by either the customer or other third parties.
If the customer declines the software update, please inform them that this could lead to issues or restrictions with

the use of the vehicle or individual components.
Make a note to this effect on the order before it is signed by the customer. Include this information in the customer

file.
All part and service references provided in this TSB (2080446) are subject to change and/or removal. Always check

with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the Repair

Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©2026 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.

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