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Home >> Suzuki >> 2003 >> Vitara 2D Utility, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0403: EGR Flow Malfunction >> Condition
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DTC P0403: EGR Flow Malfunction: Condition

DTC is set when Engine Control Module (ECM) commands EGR valve to turn OFF and detects low voltage at EGR stepper motor for a predetermined amount of time continuously. MIL is illuminated when ECM detects malfunction during one drive cycle. Possible causes are:

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