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Home >> Chevrolet >> 2008 >> Tahoe Base, 4.8 C >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Hybrid Engine Control System) >> Diagnostic Information and Procedures >> DTC P1AEC-P1AEF >> Circuit/System Description

Circuit/System Description

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The drive motor generator power inverter control module (PIM) contains two motor control modules (MCMs). Each MCM measures hybrid battery high voltage with several internal sensors. The MCM compares the values in order to verify the hybrid battery high voltage measurement is accurate.

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