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Service bulletins for the 2025 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.

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

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By component

By trouble code

Only bulletins with type: Service campaign are shown. Show all

Bulletins, newest first
26-01-035G DCS2026-04-15. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon's communication network. Technical Service Bulletin (TSB) 26-01-035G provides instructions to verify Connected Car Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
26-01-035G TSB2026-04-15. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Connected Car Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
26-01-012G TSB2026-02-05. Service campaign. ELECTRICAL SYSTEM. Certain G80 (RG3) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-090G DCS2026-01-06. Service campaign. ELECTRICAL SYSTEM. Certain G80 (RG3) and GV80 (JX1) vehicles may exhibit battery drain due to the Central Control Panel (CCP) not entering sleep mode. This occurs when a communication error causes the touch-module control IC and MCU to repeatedly reinitialize, preventing the system from entering sleep mode.
25-01-090G TSB2026-01-06. Service campaign. ELECTRICAL SYSTEM. Certain G80 (RG3) and GV80 (JX1) vehicles may exhibit battery drain due to the Central Control Panel (CCP) not entering sleep mode. This occurs when a communication error causes the touch-module control IC and MCU to repeatedly reinitialize, preventing the system from entering sleep mode. This bulletin provides instructions to perform a software update for the CCP.
GCE25-92-E140 TSB2025-09-12. Service campaign. ELECTRICAL SYSTEM. This bulletin provides information related to the DCU (DATA CONNECTIVITY UNIT) software enhancement (OTA) for RG3 PE vehicles in Puerto Rico.
25-01-057G TSB2025-09-03. Service campaign. ELECTRICAL SYSTEM. Certain G80 (RG3) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-018G-1 TSB2025-05-27. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Connected Car Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
25-01-019G-1 DN2025-04-30. Service campaign. 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 exhibit reduced air conditioning performance due to chemical damage to the suction and discharge seal washers caused by foreign substances.
25-01-019G-1 TSB2025-04-30. Service campaign. 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 exhibit reduced air conditioning performance due to chemical damage to the suction and discharge seal washers caused by foreign substances. This bulletin provides instructions to replace the A/C suction and discharge seal washers to resolve the concern.
25-01-024G EM2025-04-18. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Genesis Connected Service functions. This may be due to an irregular disconnection on Verizon's communication network.
25-01-024G TSB2025-03-25. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.
25-01-019G OL2025-03-21. Service campaign. UNKNOWN OR OTHER. Genesis has become aware that some vehicles may exhibit reduced air conditioning performance.
25-01-011H EM2025-03-14. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network.
25-01-019G TSB2025-03-05. Service campaign. 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 exhibit reduced air conditioning performance due to chemical damage to the suction and discharge seal washers caused by foreign substances. This bulletin provides instructions to replace the A/C suction and discharge seal washers to resolve the concern.
25-01-018G TSB2025-03-05. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Connected Car Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.