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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Engine Control System - 3.6L (Ly7) - DTC P0442 To DTC P1551) >> DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 or P2610 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM). This diagnostic also addresses if the ECM is not programmed.

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