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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Bolted Exterior Body Panels And Closures >> Diagnostic Information and Procedures >> DTC P257D-P257F: Engine Hood Switch >> Conditions for Setting the DTC

Conditions for Setting the DTC

P257D 

The hood ajar switch signal 2 voltage as measured by the Starter/Generator Control Module is not within a valid voltage range.

P257E 

The hybrid powertrain control module 2 detects a short to ground in the hood ajar signal input to the Starter/Generator Control Module.

P257F 

The hybrid powertrain control module 2 detects a short to voltage or an open/high resistance in the hood ajar signal input to the Starter/Generator Control Module.

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