DTC Descriptors
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.
- DTC P0449
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Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit
- DTC P0498
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Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit Low Voltage
- DTC P0499
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Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit High Voltage