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Home >> Suzuki >> 2008 >> Grand Vitara Base, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Engine General Information And Diagnosis) >> Diagnostic Information And Procedures >> DTC P0403: Exhaust Gas Recirculation Control Circuit >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION TABLE

DTC detecting condition Trouble area
EGR valve control duty pulse monitor signal is less than 0.8 V at OFF duty pulse or more than 2.2 V at ON duty pulse for more than 4 times. (1 driving cycle detection logic)
  • EGR valve circuit open
  • EGR valve
  • ECM