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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1967 (Hybrid Energy Storage System - 2.4L (Hp7)) >> Diagnostic Information and Procedures >> DTC P1A22, P1A23, P1A29, P1A2A, P1A30, or P1A33 >> 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 battery energy control module (BECM) monitors the 3 module voltage sensors for low or high voltage condition.