Hyundai Santa Fe 2023 Plug-in Hybrid plug-in hybrid OBD Codes
On a 2023 Hyundai Santa Fe Plug-in Hybrid plug-in hybrid, OBD code behaviour can vary because the petrol engine may run less often, which changes how some efficiency, catalyst and readiness-related faults appear.
These pages separate petrol, diesel, hybrid and EV-style diagnostic search intent so the content does not look identical across every variant.
P0455
System Gross Leak Evaporative Emission
P0456
Evaporative Emissions System Small Leak Detected
P0446
Evaporative Emission Control System Vent Control Circuit Malfunction
P0401
Exhaust Gas Recirculation Flow Insufficient Detected
P0403
Exhaust Gas Recirculation Circuit Malfunction
P0500
Vehicle Speed Sensor Malfunction
P0562
System Voltage Low
P0563
System Voltage High
P0700
Transmission Control System Malfunction
P0715
Input / Turbine Speed Sensor Circuit Malfunction
P0720
Output Speed Sensor Circuit Malfunction
P0740
Torque Converter Clutch Circuit Malfunction
Common problem themes for this powertrain
- • infrequent engine operation affecting emissions monitoring
- • engine restart and control transition-related warnings
- • sensor and catalyst efficiency faults
- • fuel and airflow-related engine fault patterns