Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Genesis G90 3.3T Premium, AWDFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2021 Genesis G90 3.3T Premium, AWD), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
- Different variant/trim
- Section 1 (Engine Control System Diagnosis - 5.0L (2 Of 9))
- Section 2 (Engine Control System Diagnosis - 5.0L (4 Of 9))
- Section 3 (Automatic Transmission System - 5.0L)
- Section 4 (Engine And Transmission Assembly (R & I) - 5.0L)
- Section 5 (Hydraulic System - 5.0L)
- Section 6 (Intake And Exhaust System - 5.0L)
- Section 7 (Engine Control System - 5.0L)
- Section 8 (Cylinder Head Assembly - 5.0L)
- Section 9 (Lubrication System - 5.0L)
- Section 10 (Engine Control/Fuel System - General Information - 5.0L)
- Section 11 (Engine Cooling System - 5.0L)
- Section 12 (Fuel Delivery System - 5.0L)
- Section 13 (Evaporative Emission Control System - 5.0L)
- Section 14 (Cylinder Block - 5.0L)
- Section 15 (Timing System - 5.0L)
- Section 16 (Automatic Transmission Control System - 5.0L)
- Section 17 (Engine Control System Diagnosis - 5.0L (3 Of 9))
- Section 18 (Engine Control System Diagnosis - 5.0L (6 Of 9))
- Section 19 (Engine Mechanical System - General Information - 5.0L)
- Section 20 (Ignition System - 5.0L)
- Section 21 (Engine Control System Diagnosis - 5.0L (1 Of 9))
- Section 22 (Engine Control System Diagnosis - 5.0L (7 Of 9))
- Section 23 (Engine Starting System - 5.0L)
- Section 24 (Charging System - 5.0L)
- Section 25 (Engine Electrical System - General Information - 5.0L)
- Section 26 (Engine Control System Diagnosis - 5.0L (5 Of 9))
- Section 27 (Engine Control System Diagnosis - 5.0L (9 Of 9))
- Section 28 (Emission Control System - General Information - 5.0L)
- Section 29 (Engine Control System Diagnosis - 5.0L (8 Of 9))
- Different car
- Section 1 (Engine Control System Diagnosis - 5.0L (2 Of 9))
- Section 2 (Front Seat Assembly)
- Section 3 (Rear Seat Assembly)
- Section 4 (Interior Trim)
- Section 5 (Floor Console)
- Section 6 (Airbag Modules And Clock Spring)
- Section 7 (Hood Assembly)
- Section 8 (Engine Control System Diagnosis - 5.0L (4 Of 9))
- Section 9 (Engine Cooling System - 3.3L)
- Section 10 (Cowl Top Cover)
- Section 11 (Crash Pad)
- Section 12 (Steering Wheel)
- Section 13 (MULTIFUNCTION Switch)
- Section 14 (Motor Driven Power Steering System)
- Section 15 (Engine And Transaxle Assembly (R&I) - 3.3L)
- Section 16 (Intake And Exhaust System - 3.3L)
- Section 17 (Timing System - 3.3L)
- Section 18 (Front Bumper And Radiator Grille)
- Section 19 (Audio/Video/Navigation (AVN) System)
- Section 20 (Indicators And Gauges)
- Section 21 (Head Up Display System)
- Section 22 (Heater System)
- Section 23 (Rear Console Blower System)
- Section 24 (Tires/Wheels/Alignment)
- Section 25 (Ignition System - 3.3L)
- Section 26 (DTC Index)
- Section 27 (Engine Control System - 3.3L)
- Section 28 (Automatic Transmission System - 5.0L)
- Section 29 (Engine And Transmission Assembly (R & I) - 5.0L)
- Section 30 (Front Driveshaft Assembly)
- Section 31 (Hydraulic System - 5.0L)
- Section 32 (Automatic Transmission Control System - 5.0L)
- Section 33 (Front Suspension System)
- Section 34 (Engine Cooling System - 5.0L)
- Section 35 (Air Conditioning System)
- Section 36 (Intake And Exhaust System - 5.0L)
- Section 37 (Front Axle Assembly)
- Section 38 (Front And Rear Propeller Shaft Assemblies)
- Section 39 (Brake System)
- Section 40 (Engine Control System Diagnosis - 3.3L (6 Of 9))
- Section 41 (Charging System - 3.3L)
- Section 42 (Cylinder Head Assembly - 3.3L)
- Section 43 (Electronic Stability Program (Esp) System)
- Section 44 (Fuses And Relays)
- Section 45 (Body Side Molding)
- Section 46 (Seat Electrical)
- Section 47 (Front Door Assembly)
- Section 48 (Rear Door Assembly)
- Section 49 (Power Windows)
- Section 50 (Supplemental Restraint System Control Module (SRSCM) And Sensors)
- Section 51 (Fuel Delivery System - 3.3L)
- Section 52 (Engine Control/Fuel System - General Information - 3.3L)
- Section 53 (Lubrication System - 3.3L)
- Section 54 (Smart Key System)
- Section 55 (General Information)
- Section 56 (Body Electrical System - General Information)
- Section 57 (Roof Trim)
- Section 58 (Differential Carrier Assembly)
- Section 59 (Hydraulic System - 3.3L)
- Section 60 (Automatic Transaxle System Diagnosis)
- Section 61 (Engine Control System - 5.0L)
- Section 62 (Cylinder Head Assembly - 5.0L)
- Section 63 (Lubrication System - 5.0L)
- Section 64 (Engine Control/Fuel System - General Information - 5.0L)
- Section 65 (Fuel Delivery System - 5.0L)
- Section 66 (Evaporative Emission Control System - 5.0L)
- Section 67 (Ignition System - 5.0L)
- Section 68 (Timing System - 5.0L)
- Section 69 (Charging System - 5.0L)
- Section 70 (Multi Function Switch Diagnosis)
- Section 71 (Heater And A/C Control Unit)
- Section 72 (Trunk Trim)
- Section 73 (Rear Bumper)
- Section 74 (Trunk Lid)
- Section 75 (Central Gateway Diagnosis)
- Section 76 (Parking Brake System)
- Section 77 (Engine Control System Diagnosis - 3.3L (8 Of 9))
- Section 78 (Electronic Stability Control Diagnosis (1 Of 2))
- Section 79 (Electronic Stability Control Diagnosis (2 Of 2))
- Section 80 (Lane Keeping Assist System Diagnosis)
- Section 81 (Rear Driveshaft Assembly)
- Section 82 (Automatic Transmission Control System - 3.3L)
- Section 83 (Blind-Spot Detection Diagnosis)
- Section 84 (Lighting System)
- Section 85 (Front View Camera System)
- Section 86 (Air Conditioning Diagnosis (2 Of 2))
- Section 87 (Cylinder Block - 5.0L)
- Section 88 (Power Seat Module-Rear Right Diagnosis)
- Section 89 (Power Trunk Module Diagnosis)
- Section 90 (Cluster Module Diagnosis)
- Section 91 (Suspension System - General Information)
- Section 92 (Mirrors)
- Section 93 (Smart Key Code Saving Diagnosis)
- Section 94 (Pre-Safe Seat Belt Diagnosis)
- Section 95 (Driver Door Module Diagnosis)
- Section 96 (Adaptive Front Lighting System Diagnosis)
- Section 97 (Head Up Display Diagnosis)
- Section 98 (Engine Control System Diagnosis - 3.3L (3 Of 9))
- Section 99 (Electronic Power Steering Diagnosis)
- Section 100 (Engine Control System Diagnosis - 3.3L (1 Of 9))
- Section 101 (Engine Control System Diagnosis - 5.0L (3 Of 9))
- Section 102 (Body Control Module Diagnosis)
- Section 103 (Steering Column Module Diagnosis)
- Section 104 (Engine Electrical System - General Information - 3.3L)
- Section 105 (Engine Control System Diagnosis - 5.0L (6 Of 9))
- Section 106 (Assist Door Module Diagnosis)
- Section 107 (Engine Control System Diagnosis - 5.0L (1 Of 9))
- Section 108 (Tire Pressure Monitoring System Diagnosis)
- Section 109 (Assist Power Seat Module Diagnosis)
- Section 110 (Rear Remote Controller Diagnosis)
- Section 111 (Audio Video Navigation Diagnosis)
- Section 112 (Electronic Control Suspension (ECS) System)
- Section 113 (Amplifier Diagnosis)
- Section 114 (Engine Control System Diagnosis - 5.0L (7 Of 9))
- Section 115 (Parking Distance Warning Diagnosis)
- Section 116 (Multi-View Camera System Diagnosis)
- Section 117 (Active Air Flap Diagnosis)
- Section 118 (4WD Control Diagnosis)
- Section 119 (Engine Control System Diagnosis - 3.3L (9 Of 9))
- Section 120 (Engine Control System Diagnosis - 5.0L (5 Of 9))
- Section 121 (Smart Cruise Control Diagnosis)
- Section 122 (Engine Control System Diagnosis - 5.0L (9 Of 9))
- Section 123 (Airbag System Diagnosis (1 Of 2))
- Section 124 (Central Control Panel Diagnosis)
- Section 125 (Airbag System Diagnosis (2 Of 2))
- Section 126 (Occupant Classification System Diagnosis)
- Section 127 (Smart Key System Diagnosis)
- Section 128 (Rear Armrest Switch Diagnosis)
- Section 129 (Smart Junction Block Diagnosis)
- Section 130 (Electronic Control Suspension Diagnosis)
- Section 131 (Air Conditioning Diagnosis (1 Of 2))
- Section 132 (Engine Control System Diagnosis - 3.3L (2 Of 9))
- Section 133 (Engine Control System Diagnosis - 3.3L (5 Of 9))
- Section 134 (Parking Guide System Diagnosis)
- Section 135 (Engine Control System Diagnosis - 3.3L (4 Of 9))
- Section 136 (Wireless Power Charger Diagnosis)
- Section 137 (Wireless Power Charger System (WPC))
- Section 138 (Rear Wireless Power Charger Diagnosis)
- Section 139 (Engine Control System Diagnosis - 3.3L (7 Of 9))
- Section 140 (Power Seat Module Diagnosis)
- Section 141 (Power Seat Module-Rear Left Diagnosis)
- Section 142 (Engine Control System Diagnosis - 5.0L (8 Of 9))
- Section 143 (E-Shifter Diagnosis)
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.