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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1040 (Engine Controls Diagnosis - 4.3L (DTCS P0140-P2610)) >> Diagnosis >> DTC P0455 >> Conditions For Setting the DTC

Conditions For Setting the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The EVAP system is not able to achieve or maintain vacuum during the diagnostic test.