LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2017 >> GX 460 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes) (3 Of 7) >> SFI System >> DTC P0403: Exhaust Gas Recirculation Control Circuit [08/2015 - 08/2022] >> Description

DTC P0403: Exhaust Gas Recirculation Control Circuit [08/2015 - 08/2022]: Description

Refer to DTC P0401 (Refer to DESCRIPTION  Refer to DTC P0401: Exhaust Gas Recirculation Flow Insufficient Detected [08/2018 - 08/2022] ).

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

HINT: 

DTC P0403 is stored when the engine switch is on (IG).