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.
2017 Kia Optima Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE
Engine Control System Diagnosis (2 Of 3) (PHEV)
- DTC Index
- DTC P0300-00: Random/Multiple Cylinder Misfire Detected
- DTC P0301-00: Cylinder 1 - Misfire Detected
- DTC P0302-00: Cylinder 2 - Misfire Detected
- DTC P0303-00: Cylinder 3 - Misfire Detected
- DTC P0304-00: Cylinder 4 - Misfire Detected
- DTC P0315-00: Crankshaft Position System Variation Not Learned
- DTC P0326-00: Knock Sensor 1 Circuit Range/Performance
- DTC P0335-00: Crankshaft Position Sensor 'A' Circuit
- DTC P0336-00: Crankshaft Position Sensor 'A' Circuit Range/Performance
- DTC P0340-00: Camshaft Position Sensor 'A' (Intake) Circuit (Bank 1 Or Single Sensor)
- DTC P0341-00: Camshaft Position Sensor 'A' (Intake) Circuit Range/Performance (Bank 1)
- DTC P0365-00: Camshaft Position Sensor 'B' (Exhaust) Circuit Malfunction (Bank 1)
- DTC P0366-00: Camshaft Position Sensor 'B' (Exhaust) Circuit Range/Performance (Bank 1)
- DTC P0401-00: Exhaust Gas Recirculation Flow Insufficient Detected
- DTC P0404-00: Exhaust Gas Recirculation Control Circuit Range/Performance
- DTC P0405-00: Exhaust Gas Recirculation Sensor A Circuit Low
- DTC P0406-00: Exhaust Gas Recirculation Sensor A Circuit High
- DTC P0420-00: Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P043E-00: EVAP System Leak Detection Reference Orifice Low Flow
- Component Location
- General Description
- DTC Information
- DTC Inspection
- Wiring Inspection
- Terminal and Connector Inspection
- ELCM Pump Motor Power Circuit Inspection
- ELCM Pump Motor Control Circuit Inspection
- Changeover Valve Power Circuit Inspection
- Changeover Valve Control Circuit Inspection
- ELCM Pressure Sensor Power Circuit Inspection
- ELCM Pressure Sensor Signal Circuit Inspection
- ELCM Pressure Sensor Ground Circuit Inspection
- Component Inspection
- Verification Of Repair
- ETM
- DTC P043F-00: EVAP System Leak Detection Reference Orifice High Flow
- Component Location
- General Description
- DTC Information
- DTC Inspection
- Wiring Inspection
- Terminal and Connector Inspection
- ELCM Pump Motor Power Circuit Inspection
- ELCM Pump Motor Control Circuit Inspection
- Changeover Valve Power Circuit Inspection
- Changeover Valve Control Circuit Inspection
- ELCM Pressure Sensor Power Circuit Inspection
- ELCM Pressure Sensor Signal Circuit Inspection
- ELCM Pressure Sensor Ground Circuit Inspection
- Component Inspection
- Verification Of Repair
- ETM
- DTC P0441-00: Evaporative Emission System Incorrect Purge Flow
- DTC P0442-00: Evaporative Emission System-Leak Detected (Small Leak)
- DTC P0444-00: Evaporative Emission System-Purge Control Valve Circuit Open
- DTC P0445-00: Evaporative Emission System-Purge Control Valve Circuit Shorted
- DTC P0447-00: Evaporative Emission System-Vent Control Circuit Open
- DTC P0448-00: Evaporative Emission System - Vent Control Circuit Shorted
- DTC P0449-00: Evaporative Emission System-Vent Valve/Solenoid Circuit
- DTC P0451-00: Evaporative Emission System-Pressure Sensor/Switch Range/Performance
- DTC P0452-00: Evaporative Emission System-Pressure Sensor/Switch Low Input
- DTC P0453-00: Evaporative Emission System-Pressure Sensor/Switch High Input
- DTC P0454-00: Evaporative Emission System-Pressure Sensor/Switch Intermittent
- DTC P0455-00: Evaporative Emission System-Leak Detected (Large Leak)
- DTC P0456-00: Evaporative Emission System-Leak Detected (Very Small Leak)
- DTC P0461-00: Fuel Level Sensor 'A' Circuit Range/Performance
- DTC P0462-00: Fuel Level Sensor 'A' Circuit Low Input
- DTC P0463-00: Fuel Level Sensor 'A' Circuit High Input
- DTC P0464-00: Fuel Level Sensor 'A' Circuit Intermittent
- DTC P0489-00: Exhaust Gas Recirculation Control Circuit Low
- DTC P0490-00: Exhaust Gas Recirculation Control Circuit High
- DTC P049D-00: EGR 'A' Control Position Exceeded Learning Limit
- DTC P04ED-00: EVAP System Large Leak Detected - Fresh Air Side
- DTC P04EF-00: EVAP System Very Small Leak Detected - Fresh Air Side
- DTC P0504-00: Brake Switch 'A'/'B' Correlation
- DTC P0506-00: Idle Air Control System- RPM Lower Than Expected
- DTC P0507-00: Idle Air Control System- RPM Higher Than Expected
- DTC P050A-00: Cold Start Idle Air Control System Performance
- DTC P050B-00: Cold Start Ignition Timing Performance
- DTC P0532-00: A/C Refrigerant Pressure Sensor 'A' Circuit Low Input
- DTC P0533-00: A/C Refrigerant Pressure Sensor 'A' Circuit High Input
- DTC P0560-00: System Voltage
- DTC P0562-00: System Voltage Low
- DTC P0563-00: System Voltage High
- DTC P0605-00: Internal Control Module Read Only Memory (ROM) Error
- DTC P0606-00: ECM/PCM Processor
- DTC P0607-00: Control Module Performance
- DTC P0630-00: VIN Not Programmed Or Incompatible-ECM/PCM
- DTC P0638-00: Throttle Actuator Control Range/Performance
- DTC P0642-00: Sensor Reference Voltage 'A' Circuit Low
- DTC P0643-00: Sensor Reference Voltage 'A' Circuit High
- DTC P064A-00: Fuel Pump Control Module
- DTC P0652-00: Sensor Reference Voltage 'B' Circuit Low
- DTC P0653-00: Sensor Reference Voltage 'B' Circuit High
- DTC P0698-00: Sensor Reference Voltage 'C' Circuit Low
- DTC P0699-00: Sensor Reference Voltage 'C' Circuit High
- DTC P06A4-00: Sensor Reference Voltage 'D' Circuit Low
- DTC P06A5-00: Sensor Reference Voltage 'D' Circuit High
- DTC P1160-00: Duration Of The Key Off Is Too Shot
- DTC P1230-00: Low Pressure Fuel Pump Malfunction
- DTC P1233-00: Low Pressure Fuel System - High Deviation Between Target And Current Pressure
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.