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Service bulletin AOS-26-09

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11029359
Published by NHTSA2026-03-03
Manufacturer's numberAOS-26-09
Manufacturer's date2026-02-23
Campaign id or software versionAOS-26-09
NHTSA componentPOWER TRAIN

NHTSA's summary

This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the test plan: P275300 Transmission Fluid Cooler Circuit/Open fault stored with no relevant Test Plan populated.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Trouble codes named

P2753

Vehicles listed
AUDI Q72023
AUDI SQ72023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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