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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1812 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0562 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The engine control module (ECM)/powertrain control module (PCM) checks the system voltage to make sure that the voltage stays within the proper range. Damage to components, and incorrect input can occur when the voltage is out of range. The ECM/PCM monitors the system voltage over an extended length of time. If the ECM/PCM detects an excessively low system voltage, DTC P0562 will set.