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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 342 (Bolted Exterior Body Panels And Closures) >> Diagnostic Information and Procedures >> DTC P257D-P257F: Engine Hood Switch >> Reference Information

Reference Information

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Immobilizer Schematics

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX

Description and Operation

Hood Ajar Indicator Description and Operation 

Electrical Information Reference

Scan Tool Reference

Control Module References for scan tool information