2018 Genesis G80 Problems: 6 Known Issues
2018 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2018 Genesis G80 has 6 documented known issues, with 5 rated critical. The most serious are 3.3T Left Turbocharger Oil Feed Pipe Leaks Onto the Hot Exhaust Manifold (Recall 24V191, replaces 19V538) ($0-$0 repair), Incorrect Occupant Classification Calibration May Leave the Passenger Airbag Enabled for a Child (Recall 18V496) ($0-$0 repair), Starter Solenoid Water Intrusion Shorts and Starts an Engine Compartment Fire (Recall 24V107) ($0-$0 repair), Windshield and Rear Glass Bonded With the Wrong Primer Can Detach While Driving (Recall 18V305) ($0-$0 repair) and ABS Hydraulic Control Module Internal Short Can Cause an Engine-Bay Fire While Parked (Recall 21V160) ($0-$0 repair). DIY maintenance guides at au7o.io.
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All 6 Known Issues
NHTSA Recalls6 recalls
SEAT BELTS:FRONT
Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Genesis GV80, 2021-2023 Genesis G80, 2022-2023 Genesis GV70, and 2023 Genesis GV60 vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioners may explode upon deployment.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Hyundai Motor America (Hyundai) is recalling certain 2022-2023 Genesis GV70, GV80, G80, and G90 vehicles. The fuel pump may fail, which can result in a loss of drive power.
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Hyundai Motor America (Hyundai) is recalling certain Genesis 2023-2024 G80, GV80, 2025 GV70 and 2023-2025 GV70 "Electrified" vehicles. Due to a software error, the instrument panel display may fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 101, "Controls and Displays."
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Hyundai Motor America (Genesis) is recalling certain Genesis 2022-2026 GV70, 2023-2025 G90, 2021-2025 G80, and GV80 vehicles. Fuel may leak at the pipe connection between the fuel pipe and fuel rail.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Genesis G80, GV80, and 2022 Genesis GV70 vehicles. The fuel pump may fail, which can result in a loss of drive power.
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Frequently Asked Questions
What are the most common Genesis G80 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2018 Genesis G80 has 6 documented issues. The most frequently reported are: 3.3T Left Turbocharger Oil Feed Pipe Leaks Onto the Hot Exhaust Manifold (Recall 24V191, replaces 19V538), Incorrect Occupant Classification Calibration May Leave the Passenger Airbag Enabled for a Child (Recall 18V496), Starter Solenoid Water Intrusion Shorts and Starts an Engine Compartment Fire (Recall 24V107). Of these, 5 are rated critical and should be addressed promptly.
Is the Genesis G80 reliable?
The 2018 Genesis G80 has 6 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 5 issues are rated critical: 3.3T Left Turbocharger Oil Feed Pipe Leaks Onto the Hot Exhaust Manifold (Recall 24V191, replaces 19V538) and Incorrect Occupant Classification Calibration May Leave the Passenger Airbag Enabled for a Child (Recall 18V496) and Starter Solenoid Water Intrusion Shorts and Starts an Engine Compartment Fire (Recall 24V107) and Windshield and Rear Glass Bonded With the Wrong Primer Can Detach While Driving (Recall 18V305) and ABS Hydraulic Control Module Internal Short Can Cause an Engine-Bay Fire While Parked (Recall 21V160). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Genesis G80 problems?
Repair costs for known Genesis G80 issues range from $0 to $500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 3.3T Left Turbocharger Oil Feed Pipe Leaks Onto the Hot Exhaust Manifold (Recall 24V191, replaces 19V538), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2018-2020 Genesis G80 3.3T Left Turbocharger Oil Feed Pipe Leaks Onto the Hot Exhaust Manifold (Recall 24V191, replaces 19V538)?
On affected 2018–2020 G80 vehicles with the 3.3-litre turbocharged V6, prolonged engine-compartment heat can crack the left turbocharger oil-supply pipe. Oil reaching the exhaust manifold increases fire risk. The filing lists possible white smoke, a burning smell and oil leaking… Repairs typically run $0-$0. Severity: high.
What is the 2018 Genesis G80 Incorrect Occupant Classification Calibration May Leave the Passenger Airbag Enabled for a Child (Recall 18V496)?
Certain 2018 G80 (DH) sedans produced January 18, 2017 through June 5, 2018 have a front passenger Occupant Classification System control module that may have been programmed incorrectly. The system can detect an adult when the seat is empty, or fail to switch the front passenger… Repairs typically run $0-$0. Severity: high.
What is the 2017-2019 Genesis G80 Starter Solenoid Water Intrusion Shorts and Starts an Engine Compartment Fire (Recall 24V107)?
Recall 24V107 / 018G includes certain 2017–2019 G80 vehicles built March 17, 2016–January 4, 2019. Water can contaminate the starter solenoid in abnormally wet conditions, such as a flooded road, and cause an electrical short over time. An engine-compartment fire can occur while… Repairs typically run $0-$0. Severity: high.
What is the 2018 Genesis G80 Windshield and Rear Glass Bonded With the Wrong Primer Can Detach While Driving (Recall 18V305)?
A small batch of 2018 G80 sedans left the plant with the front windshield and rear window bonded using incorrect primer, which may lose some of its glass bonding strength over time. Genesis warned that the glass could become detached while driving. The campaign is narrow: only 20… Repairs typically run $0-$0. Severity: high.
What is the 2017-2020 Genesis G80 ABS Hydraulic Control Module Internal Short Can Cause an Engine-Bay Fire While Parked (Recall 21V160)?
Recall 21V160 covers certain US-market 2017–2020 G80 vehicles and predecessor 2015–2016 Hyundai Genesis vehicles, with 94,646 vehicles combined. The ABS hydraulic controller may develop an internal electrical short and overcurrent, creating engine-compartment fire risk while park… Repairs typically run $0-$0. Severity: high.
What is the 2017-2026 Genesis G80 Infotainment System Software Glitches?
The G80 infotainment system experiences intermittent software glitches including screen blackouts, navigation errors, and unresponsive touch inputs. OTA updates have introduced new bugs while fixing existing ones on several occasions. Repairs typically run $0-$500. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.