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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Engine Control System - 3.8L (DTC P0418 To DTC P1115)) >> Diagnosis >> DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 >> Conditions for Setting the DTC >> DTC P0602

DTC P0602

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.

The PCM has not been programmed with Key On and Engine Off for one sample. Each sample is 100 milliseconds. The PCM has not been programmed at Key On and Engine Off for 0.1 second. This diagnostic runs continuous.