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Warranty extension 26-01-049G TSB

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)
TypeWarranty extension
NHTSA id11033842
Published by NHTSA2026-06-16
Manufacturer's number26-01-049G TSB
Manufacturer's date2026-06-03
Campaign id or software versionL09G
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Certain G80 (RG3) and G90 (RS4) vehicles equipped with the 2.5T‑GDI Theta III or 3.5T‑GDI Lambda III engine may experience reduced air‑conditioning performance due to a refrigerant leak originating at the Thermostatic Expansion Valve (TXV).This condition may be caused by improper installation of the liquid and suction pipe O‑rings at the TXV connection point. This bulletin provides instructions to replace the TXV O‑rings at the liquid and suction pipe connections to correct the condition.

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.

Vehicles listed
GENESIS G802026
GENESIS G902026

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