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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System & Fuel System - 4.3L - DTC P0140 To DTC P0506) >> DTC P0454 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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If, during the engine-off natural vacuum small leak test, P0442, the powertrain control module (PCM) detects an abrupt FTP signal change, other than a refueling event, this DTC will set.

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