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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Door Lock Systems & Door Handles) >> Diagnostic Information and Procedures >> DTC B153E >> Circuit/System Description

Circuit/System Description

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The liftgate control module (LGM) continuously monitors power liftgate operation and calculates its location and direction of travel using 2 Hall effect sensors that are part of the gear motor assembly. The Hall effect sensors are 5-volt 3-wire sensors and are supplied with a 5-volt power, ground and signal circuits from the LGM. The Hall effect sensor signal circuits are referenced from voltage within the LGM and pulsed low by the Hall effect sensors.

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