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Home › Cadillac › 2003 › CTS Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0444: EVAP Purge Control Valve Circuit Open › Conditions For Setting DTC

Conditions For Setting DTC

The control module detects 0 volts on the EVAP purge control circuit when the driver is commanded OFF.
The fault is present for 50 seconds, cumulative during the drive cycle.