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2023 Genesis G90 Service and Repair Manual
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$49.99 USD
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Covers all 2023 G90 trims — Base Sedan 4-Door, E-Supercharger Sedan 4-Door ·
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Complete repair procedures
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2023 Genesis G90 Service and Repair Manual
Regular price
$49.99 USD
Unit price
The 2023 Genesis G90 Service and Repair Manual is a practical, workshop-ready reference for maintenance, diagnostics, and repairs. Use it to troubleshoot symptoms, follow step-by-step procedures, verify specifications, and confirm wiring and connector locations before replacing parts.
Ideal for technicians and DIY owners, it supports everything from routine service to deeper mechanical and electrical work—including drivability, no-start, warning lights, overheating, brake and suspension issues, HVAC faults, and circuit testing.
Trims covered
- Base Sedan 4-Door
- E-Supercharger Sedan 4-Door
Engines covered
- 3.5L 3470CC V6 GAS DOHC Turbocharged
- 3.5L 3470CC V6 MILD HYBRID EV-GAS (MHEV) DOHC Turbo/Supercharged
What’s inside
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Why this manual matters
- Faster diagnostics with system-based troubleshooting and wiring diagrams
- Clear procedures and reference sections to reduce guesswork and rework
- Helpful for maintenance planning and verifying parts/specs before repairs
Hyundai Motor America (Hyundai) is recalling certain 2023 Genesis G90 vehicles. In the event of a crash, the front driver-side, passenger-side, and rear seat belt pretensioners may explode upon deplo
Consequence
An exploding seat belt pretensioner can project metal fragments into the vehicle, strike vehicle occ
Remedy
Dealers will secure the seat belt pretensioners with a cap, free of charge. Owner notification lett
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.
Consequence
A fuel leak increases the risk of a fire.
Remedy
Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notif
Hyundai Motor America (Hyundai) is recalling certain 2023-2025 Hyundai Ioniq 6, 2023-2026 Genesis G90, 2024-2026 Hyundai Santa Fe, and Hyundai Santa Fe Hybrid vehicles. The driver and passenger seat b
Consequence
A detached seat belt anchor will not adequately restrain the seat occupant, increasing the risk of i
Remedy
Dealers will inspect and reinforce or replace the seat belt anchors, as necessary, free of charge. O
Hyundai Motor America (Hyundai) is recalling certain 2023-2026 Genesis G90 vehicles. The Highway Drive Assist (HDA) corner radar may falsely detect another vehicle, which can result in sudden, uninten
Consequence
Sudden, unintended braking increases the risk of a crash.
Remedy
Owners are advised not to use the Highway Drive Assist feature until the remedy has been performed.
This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer t
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),
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 (
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 Verizons communication network. Follow the procedures in this
Some 2020MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cases, the front camera auto-calibration range may be exceeded
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th
This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system as described in this TSB.
Showing the 8 most recent of 41 technical service bulletins on file with NHTSA.
on Thursday 10/24/2024 I went to use my car which was parked in my garage and although the car was unlocked none of the doors would open. The car was completely dead and I had used it just several day
fuel smell Cannot make a service appt until June 2026 - at the earliest
fuel smell Cannot make a service appt until June 2026 - at the earliest
Seatbelt disengage on its own. I noticed my seatbelt disengaged the other day while I was in a drive thru. I was not driving at the moment I was waiting in the line. I know the seatbelt had been latch
Similar to the GV80 issue, when the vehicle decelerates from 80 to 70 there is a loud whining noise coming from the vehicle.
Showing the 5 most serious of 6 complaints filed with NHTSA.