FixVault
Home › Chevrolet › 2021 › Trailblazer L › Repair and Diagnosis › Body & Frame › Body, Cab Control Systems › Vehicle Access System › Diagnostic Information and Procedures › DTC P257D-P257F › Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Open the hood.
  3. Verify the scan tool parameter: Hood Position. = open
    • If not the specified state 

      Refer to Circuit/System Testing

    • Go to next step: If the specified state 
  4. Close the hood.
  5. Verify the scan tool parameter: Hood Position. = Closed
    • If not the specified state 

      Refer to Circuit/System Testing

    • Go to next step: If the specified state 
  6. All OK.
About FixVault