Conditions for Setting the DTC
P257D
The hood ajar switch signal voltage as measured by the Hybrid/EV Powertrain Control Module 2 is not within a valid voltage range.
P257E
The Hybrid/EV Powertrain Control Module 2 detects a short to ground in the hood ajar switch signal.
P257F
The Hybrid/EV Powertrain Control Module 2 detects a short to voltage or an open/high resistance in the hood ajar switch signal.