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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System - 4.4L - DTC P0196 To P0496) >> DTC P0451 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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This DTC will set if the controller is unable to re-zero the FTP sensor voltage within a calibrated range during the engine-off small leak test, DTC P0442.