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Service bulletins for the 2017 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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
21-EM-006HG(1)2021-05-05. Service bulletin. ENGINE AND ENGINE COOLING. Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for “Thermostat Heater Control Circuit/Open”. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with this condition.
21-EM-004H2021-04-07. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
19-EM-001HG2019-11-18. Service bulletin. ENGINE. This bulletin provides information regarding the changes in the timing chain and the crankshaft sprockets on certain Genesis G80 (DH) and Genesis G90 (HI) vehicles equipped with Lambda 3.3T / 3.8L GDI engines.
19-EM-001HG2019-11-06. Service bulletin. POWER TRAIN; ENGINE. This bulletin provides information regarding the changes in the timing chain and the crankshaft sprockets on certain Genesis G80 (DH) and Genesis G90 (HI) vehicles equipped with Lambda 3.3T / 3.8L GDI engines.
19-AT-004HG2019-04-22. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This bulletin provides the procedure to replace the O-ring to the automatic transmission fluid (ATF) warmer connector on some vehicles which may exhibit a coolant leak between the ATF connector and engine side heater pipe.
5NP-C8X5J-122018-12-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This bulletin provides information related to an ECM (Engine Control Module) software update to improve starting performance. Perform this update if a vehicle is in for service for an intermittent no start concern.
5NPH3C6W022017-09-22. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Some Genesis G80/G90 will arrive from Ports with a box on the passenger floor containing a 4-Watt solar panel 12V battery maintainer. The solar panel is to be installed at PDI with 4 suction cups positioned on the bottom passenger side of the windshield interior with the solar panel glass facing the windshield. The cable is routed over the vehicle dash and steering wheel to the OBD connector under the dash. This allows current from the solar panel to flow to the vehicle?s 12V battery.

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