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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1981 (Hybrid Controls - 3.6L (Hp5)- DTC B008A To DTC P0B3E) >> DTC P0642, P0643, P0652, or P0653 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The drive motor generator power inverter module (PIM) contains two motor control modules (MCM) and a hybrid powertrain control module (HPCM). Each MCM utilizes a 5 Volt reference power supply for internal circuit needs. This fault is handled inside the PIM and no external circuits are involved.

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