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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.6L - DTC P0342 To P0690 >> DTC P0455 >> Conditions For Setting the DTC

Conditions For Setting the DTC

The ECM detects the EVAP system is not able to achieve or maintain vacuum during the diagnostic test.
The condition exists for more than 4 seconds.

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