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Home >> Saturn >> 1996 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1660 - TCM GFD Malfunction >> Circuit Description
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Circuit Description

A generic Field Effects Transistor (FET) driver is used to operate all the actuators. This DTC will set if the PCM/TCM has determined this device has failed.