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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 P0601

DTC P0601

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 checksum value is incorrect for at least one sample. Each sample is 50 milliseconds. The PCM detects that the check sum value is incorrect for 0.05 second. This diagnostic runs continuous.

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