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Home >> Buick >> 1994 >> Park Avenue Ultra V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Locations >> Component Locations >> Quad Driver Module

Quad Driver Module

The Quad Driver Modules (QDM's) are hard wired inside the PCM.

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