LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2011 >> CT 200h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0420)) >> SFI System >> DTC P0403: Exhaust Gas Recirculation Control Circuit >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0403: Exhaust Gas Recirculation Control Circuit: Description

Refer to DTC P0401. Refer to DESCRIPTION .

DTC No. DTC Detection Condition Trouble Area
P0403 Open or short in EGR valve circuit (1 trip detection logic).
  • Open or short in EGR valve assembly circuit
  • EGR valve assembly
  • ECM

HINT: 

DTC P0403 is set when the power switch is on (IG).