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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 2.0L (LTG) - DTC P0335 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Inspection/Maintenance System Check >> Circuit/System Verification

Circuit/System Verification

Review the Inspection/Maintenance System Status or Data indicators. All Inspection/Maintenance System Status or Data indicators should report YES, and no I/M Test DTCs should be present.