Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Hyundai >> 2023 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (4 Of 8) >> DTC P0401-00: Exhaust Gas Recirculation Flow Insufficient Detected >> Troubleshooting >> Diagnostic Flowchart

Diagnostic Flowchart

G16170470Courtesy of HYUNDAI MOTOR AMERICA
CAUTION: The learnt value must be reset after replacing the EGR valve. Otherwise, problems regarding performance and exhaust may occur until the automatic learning takes place after component replacement.