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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Engine Controls And Fuel - 1.6L (LWC) - DTC P0243 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0449, P0498, or P0499 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

P0449 

The ECM detects the EVAP Vent Solenoid Valve control circuit is open within 5 s.

P0498 

The ECM detects the EVAP Vent Solenoid Valve control circuit is shorted to ground within 5 s.

P0499 

The ECM detects the EVAP Vent Solenoid Valve control circuit is shorted to voltage within 5 s.

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