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Service bulletins for the 2026 Genesis G80

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.

15 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with type: Warranty extension are shown. Show all

Bulletins, newest first
26-01-077G TSB2026-10-09. Warranty extension. ELECTRICAL SYSTEM; SERVICE BRAKES. Certain GV70 Electrified (JK1A EV) and G80 Electrified (RG3 EV) vehicles may display a false warning light with Diagnostic Trouble Codes (DTC) U151A8C and/or U151B8C when vehicle is placed into “Ready” mode. This bulletin provides the procedure for updating the Vehicle Control Unit (VCU) software to address this condition.
26-01-049G DCS2026-06-16. Warranty extension. UNKNOWN OR OTHER. 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. Technical Service Bulletin (TSB) 26-01-049G provides instructions to replace the TXV O‑rings at the liquid and suction pipe connections to correct the condition.
26-01-049G TSB2026-06-16. Warranty extension. UNKNOWN OR OTHER. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.