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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Access - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> DTC P257D-P257F >> Circuit/System Verification

Circuit/System Verification

  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
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