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Home >> Pontiac >> 2005 >> Grand Am GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.4L - DTC P0446 To DTC P1640 >> Diagnostic Information & Procedures >> DTC P1640: Control Module Output A Circuit >> DTC Descriptor

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DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P1640 Control Module Output A Circuit

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