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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Controls And Fuel - 6.0L (L96) - DTC P0351 To DTC P2636 And Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P0449, P0498 Or P0499: Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. 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 0.25 s.

P0498 

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

P0499 

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

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