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Home >> GMC >> 1996 >> Forward Control 4.3 Z, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System - 6.5L Diesel >> Description & Operation >> Powertrain Control Module
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Powertrain Control Module

Powertrain Control Module (PCM) is mounted behind right side of instrument panel. Fuel control portion of the PCM maintains desired speed in response to cruise control switch commands. PCM performs system diagnostics and stores diagnostic trouble codes.