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Service bulletins for the 2018 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.

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

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Bulletins, newest first
19-BE-007HG2019-05-20. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information for the following: General key FOB information including smart key and card key. How to program smart key FOB and card key. How to program additional key FOB when applicable.
19-FL-003HG2019-05-20. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin provides the procedure to write the Vehicle Identification Number (VIN) during the replacement of the Engine Control Module (ECM) or Powertrain Control Module (PCM). Once the VIN has been programmed to the ECM/PCM, it cannot be removed or overwritten.
19-FL-003H2019-05-20. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides the procedure to write the Vehicle Identification Number (VIN) during the replacement of the Engine Control Module (ECM) or Powertrain Control Module (PCM). Once the VIN has been programmed to the ECM/PCM, it cannot be removed or overwritten.
19-AT-007HG2019-05-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCM learning time and improve the shift quality.
19-GI-002G2019-04-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE:FRAME AND MEMBERS. Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) set a threshold for correcting load capacity information indicated on tire placards when the vehicle weight has been increased before retail sale. This limit is the lesser of 1.5% of the Gross Vehicle Weight Rating or 45.4kg (100 pounds). If the total added weight exceeds the lesser of the limit, a label (See Figure 1) must be added to the driver-side B-pillar within 25mm (1 inch) of the original tire placard.
19-AT-002HG2019-04-22. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; ELECTRICAL SYSTEM. When servicing a vehicle with a ?Check Engine light? and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E-module or park position switch.
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.
19-AT-001HG2019-03-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. When servicing a vehicle with a ?Check Engine light? and any of the DTCs listed below, follow the Service Procedure and replace the E-module.
19-BE-003H2019-03-18. Service bulletin. ELECTRICAL SYSTEM. Some vehicles equipped with the wireless charging pad may experience a no charging condition. This bulletin provides information of how to diagnose the no charging condition.
5NP-Z3J5R-012019-02-19. Service bulletin. POWER TRAIN. This bulletin provides the procedure to replace 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-T5Y7X-022019-02-19. Service bulletin. ELECTRICAL SYSTEM. When servicing a vehicle with a Check Engine light and any of the DTCs listed below, follow the Service Procedure and replace the E-module.
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.
5NP-R3F5T-032018-03-12. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. This TSB provides information on the headlight pattern changes on certain 2018 MY Genesis G80, Genesis G80 Sport, and Genesis G90 with LED Headlights.
5NP-Y3G8R-012018-01-16. Service bulletin. EQUIPMENT:ELECTRICAL. This TSB provides information about the parking assist systems (PAS).
5NP-S9H5J-012018-01-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. When servicing a vehicle with a "Check Engine light" with any of the DTCs listed below, follow the Service Procedure and replace the related solenoid and E-module or park position switch.
5NP-N2N8D-012018-01-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. When servicing a vehicle with a "Check Engine light" and any of the DTCs listed below, follow the Service Procedure and replace the E-module.
5NP-N4H5U-122017-12-14. Service bulletin. ELECTRICAL SYSTEM. When servicing a vehicle with a "Check Engine light" or any of the DTCs listed below, follow the Service Procedure and replace the related solenoid and E-module or park position switch.

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