Service bulletins for the 2025 Genesis G90
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.
22 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with type: Service campaign are shown. Show all
| 26-01-035G DCS | 2026-04-15. 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 TSB | 2026-04-15. 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. |
| 25-01-018G-1 TSB | 2025-05-27. 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 DN | 2025-04-30. 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 TSB | 2025-04-30. 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. |
| 25-01-019G OL | 2025-03-21. Service campaign. UNKNOWN OR OTHER. Genesis has become aware that some vehicles may exhibit reduced air conditioning performance. |
| 25-01-011H EM | 2025-03-14. 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 TSB | 2025-03-05. 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 TSB | 2025-03-05. 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.