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Home >> Pontiac >> 2002 >> Firebird Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0650: Mil Control Circuit >> Description

DTC P0650: Mil Control Circuit: Description

Output Driver Modules (ODMs) are used by the Powertrain Control Module (PCM) in order to turn ON many of the current-driven devices that are needed in order to control various engine and transaxle functions. Each ODM is capable of controlling up to 7 separate outputs by applying ground to the device which the PCM is commanding ON. Unlike the Quad Driver Modules (QDMs) used in prior model years, ODMs have the capability of diagnosing each output circuit individually. DTC P0650 set indicates an improper voltage level on the output circuit that controls the Malfunction Indicator Lamp (MIL).