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Home >> Oldsmobile >> 1997 >> Regency >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Systems Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1200 - Injector Control Circuit >> Circuit Description
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Circuit Description

PCM controls fuel injector driver circuit using a General FET Driver (GFD). GFD has ability to detect electrical faults on any injector feed or driver circuits. If an electrical fault is detected, GFD signals PCM to set DTC P1200.

Conditions required to set DTC are: