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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 2.4L - DTC P0114 To DTC P0604) >> Diagnostic Information and Procedures >> DTC P0449, P0498, or P0499: Evaporative Emission (EVAP) Vent Solenoid Valve >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P0449 

The ECM detects the EVAP Vent Solenoid Valve control circuit is open within 0.25s.

P0498 

The ECM detects the EVAP Vent Solenoid Valve control circuit is shorted to ground within 0.25s.

P0499 

The ECM detects the EVAP Vent Solenoid Valve control circuit is shorted to voltage within 0.25s.

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