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Home › Cadillac › 2003 › CTS Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0448: EVAP Vent Valve Control Circuit Shorted › Conditions For Setting DTC

Conditions For Setting DTC

The control module detects system voltage on the control circuit when the driver is commanded ON.
The fault is present for 50 seconds, cumulative during the drive cycle.