WenmarOpen by Wenmar Pro

Service bulletins for the 2018 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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
25-01-024G-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 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-GI-009G2025-05-02. Service bulletin. ELECTRICAL SYSTEM. Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.
25-01-024H EM2025-04-18. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's communication network. If you are experiencing issues with remote commands, or other Bluelink services, please see the instructions below to reestablish the connection via the AVN pinhole reset method.
25-01-024H TSB2025-03-25. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method.
21-01-079HG2022-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) information is not available. This bulletin describes the 3-part Software to correct this condition and activate Genesis Connected Services (GCS).
21-01-079G2022-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) information is not available. This bulletin describes the 3-part Software to correct this condition and activate Genesis Connected Services (GCS).
21-EM-006HG-12021-11-06. Service bulletin. ELECTRICAL SYSTEM. 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-BE-013HG2021-10-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin describes the procedure to variant code the Genesis Sedan (DH) navigation system. A black/blank screen or black and white image may be displayed from the rear view camera after the navigation unit is replaced without performing this variant coding procedure.
20-EM-003HG2020-12-08. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:SENSOR/THERMOSTAT; EQUIPMENT ADAPTIVE/MOBILITY. 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.
20-AT-013HG2020-05-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Certain Genesis G80 and G90 vehicles may experience the Shift By Wire (SBW) system slipping into Neutral when shifting from Reverse to Drive or Drive to Reverse. Replace the electronic shifter with a new shifter that has a production date of 6/2/17 or newer to resolve this condition.
20-EE-002H(1)2020-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin describes the mandatory procedure to submit battery test data electronically for battery warranty claims by running the GDS Battery Claim App. The App must be run right after an incident battery is removed from the vehicle or after a battery charge is completed which qualifies for a warranty. It must be run at any time between RO open and close dates.
19-01-025HG2019-09-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This bulletin provides information related to an ECM (Engine Control Module) software diagnostics logic update for DTC P2067 - ?Fuel Level Sensor B (Main) Circuit ? Low?. There are no drivability symptoms with this DTC.
19-EE-004HG-12019-07-29. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin aids with the general battery maintenance procedure TSB 19-EE-006H, but only applies to vehicles equipped with Blue Link SOC reporting ability.
19-EE-006HG2019-07-29. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on performing battery maintenance for PDI and In-Stock vehicle inventory.
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-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-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-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-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.
5NP-F6A3H-122017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. The bulletin describes the procedure to update the software in the G80 navigation system to help improve Bluetooth, Voice Recognition, and Navigation performance. The software update will take approximately 25 minutes to complete.
5NP-B8S4T-122017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Genesis is conducting Service Campaign T04G to update the navigation system software on certain dealer stock 2018 Model Year G80 vehicles. Service Campaign T04G provides a service procedure to update the navigation system.

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