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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Hybrid Engine Control System) >> Diagnostic Information and Procedures >> DTC P0A1B or P0A1C >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

This is a fault detection of the Drive Motor Generator Power Inverter Modules' (PIM) internal Motor Control Module (MCM). This fault is handled inside the PIM and no external circuits are involved. The MCMs are located within the PIM and are not serviced separately.

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