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.
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HOMESERVICE MANUALSGENESIS2020G90 3.3T PREMIUM, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS - 3.3L (2 OF 5)
2020 Genesis G90 3.3T Premium, AWD
Engine Control System Diagnosis - 3.3L (2 Of 5)
2020 Genesis G90 3.3T Premium, AWDSECTION Engine Control System Diagnosis - 3.3L (2 Of 5)
- DTC Index
- DTC P0116-00: Engine Coolant Temperature Circuit Range/Performance
- DTC P0117-00: Engine Coolant Temperature Circuit Low Input
- DTC P0118-00: Engine Coolant Temperature Circuit High Input
- DTC P0119-00: Engine Coolant Temperature Circuit Intermittent
- DTC P0121-00: Throttle Position Sensor 1 Signal Circuit Range/Performance
- DTC P0122-00: Throttle Position Sensor 1 Signal Circuit Low Input
- DTC P0123-00: Throttle Position Sensor 1 Signal Circuit High Input
- DTC P0125-00: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128-00: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0131-00: O2 Sensor Circuit Low Voltage (Bank 1/Sensor 1)
- DTC P0132-00: O2 Sensor Circuit High Voltage (Bank 1/Sensor 1)
- DTC P0133-00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1)
- DTC P0136-00: O2 Sensor Circuit (Bank 1/Sensor 2)
- DTC P0137-00: O2 Sensor Circuit Low Voltage (Bank 1/Sensor 2)
- DTC P0138-00: O2 Sensor Circuit High Voltage (Bank 1/Sensor 2)
- DTC P0139-00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2)
- DTC P0140-00: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2)
- DTC P0151-00: O2 Sensor Circuit Low Voltage (Bank 2/Sensor 1)
- DTC P0152-00: O2 Sensor Circuit High Voltage (Bank 2/Sensor 1)
- DTC P0153-00: O2 Sensor Circuit Slow Response (Bank 2/Sensor 1)
- DTC P0156-00: O2 Sensor Circuit (Bank 2/Sensor 2)
- DTC P0157-00: O2 Sensor Circuit Low Voltage (Bank 2/Sensor 2)
- DTC P0158-00: O2 Sensor Circuit High Voltage (Bank 2/Sensor 2)
- DTC P0159-00: O2 Sensor Circuit Slow Response (Bank 2/Sensor 2)
- DTC P0160-00: O2 Sensor Circuit No Activity Detected (Bank 2/Sensor 2)
- DTC P0171-00: System Too Lean (Bank 1)
- DTC P0172-00: System Too Rich (Bank 1)
- DTC P0174-00: System Too Lean (Bank 2)
- DTC P0175-00: System Too Rich (Bank 2)
- DTC P0191-00: Fuel Rail Pressure Sensor Circuit Range/Performance
- DTC P0192-00: Fuel Rail Pressure Sensor Circuit Low Input
- DTC P0193-00: Fuel Rail Pressure Sensor Circuit High Input
- DTC P0196-00: Engine Oil Temperature Sensor-Range/Performance
- DTC P0197-00: Engine Oil Temperature Sensor Low Input
- DTC P0198-00: Engine Oil Temperature Sensor High Input
- DTC P0201-00: Injector Circuit/Open-Cylinder 1
- DTC P0202-00: Injector Circuit/Open-Cylinder 2
- DTC P0203-00: Injector Circuit/Open-Cylinder 3
- DTC P0204-00: Injector Circuit/Open-Cylinder 4
- DTC P0205-00: Injector Circuit/Open-Cylinder 5
- DTC P0206-00: Injector Circuit/Open-Cylinder 6
- DTC P0221-00: Throttle Position Sensor 2 Signal Circuit Range/Performance
- DTC P0222-00: Throttle Position Sensor 2 Signal Circuit Low Input
- DTC P0223-00: Throttle Position Sensor 2 Signal Circuit High Input
- DTC P0230-00: Fuel Pump Primary Circuit
- DTC P0234-00: Turbocharger/Supercharger Overboost Condition
- DTC P0236-00: Turbocharger/SuperCharger Boost Sensor 'A' Circuit Range/Perform
- DTC P0237-00: Turbocharger/Supercharger Boost Sensor 'A' Circuit Low
- DTC P0238-00: Turbocharger/Supercharger Boost Sensor 'A' Circuit High
- DTC P0244-00: Turbocharger/Supercharger Wastegate Sol. 'A' Range/Performance
- DTC P0261-00: Cylinder 1 Injector Circuit Low
- DTC P0262-00: Cylinder 1 Injector Circuit High
- DTC P0264-00: Cylinder 2 Injector Circuit Low
- DTC P0265-00: Cylinder 2 Injector Circuit High
- DTC P0267-00: Cylinder 3 Injector Circuit Low
- DTC P0268-00: Cylinder 3 Injector Circuit High
- DTC P0270-00: Cylinder 4 Injector Circuit Low
- DTC P0271-00: Cylinder 4 Injector Circuit High
- DTC P0273-00: Cylinder 5 Injector Circuit Low
- DTC P0274-00: Cylinder 5 Injector Circuit High
- DTC P0276-00: Cylinder 6 Injector Circuit Low
- DTC P0277-00: Cylinder 6 Injector Circuit High
RENDER: 1.0x
NO RELATED
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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.