LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Vehicle Access System) >> Diagnostic Information and Procedures >> DTC P257D-P257F >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Operate the component:Open and close the hood.

    Verify the scan tool parameter:Engine Hood Switch=Open & Closed

    • If the parameter state does not change 

      Refer to: Circuit/System Testing

    • Go to next step: If the parameter state changes 
  3. A fault is not currently present and may be an intermittent condition