LEMON Manuals: Even more car manuals for everyone: 1960-2025

Home >> Kia >> 2021 >> Niro Plug-In Hybrid LXS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (3 Of 6) >> DTC P0404-00: EGR 'A' Control Circuit Range/Performance >> DTC Information >> DTC Description

April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Description

P040400 is set when the EGR actuator deviation is not between the upper limit value and the lower limit value.

scientia non olet · About LEMON Manuals