Diagnostic Aids

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

This DTC may set due to an incorrect manifold absolute pressure (MAP)/ BARO value caused by a faulty MAP sensor. Before replacing any component ensure that this condition does not exist.
An intermittent malfunction may be caused by a fault in an AIR pressure sensor electrical circuits. Inspect the wiring harness and components for an intermittent condition. Refer to Intermittent Conditions .
If the DTC cannot be duplicated, the information included in the Freeze Frame can be useful in determining vehicle operating conditions when the DTC was first set.