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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> Exterior Door Handle Switch Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the scan tool parameter:
    • Exterior Driver Door Handle Switch = Inactive
    • Exterior Passenger Door Handle Switch = Inactive
    • Exterior Left Rear Door Handle Switch = Inactive
    • Exterior Right Rear Door Handle Switch = Inactive
    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  3. Operate the component: B27D Door Handle Switch - Driver Exterior - Pressed

    Verify the scan tool parameter: Exterior Driver Door Handle Switch = Active

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  4. Operate the component: B27P Door Handle Switch - Passenger Exterior - Pressed

    Verify the scan tool parameter: Exterior Passenger Door Handle Switch = Active

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  5. Operate the component: B27LR Door Handle Switch - Left Rear Exterior - Pressed

    Verify the scan tool parameter: Exterior Left Rear Door Handle Switch = Active

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  6. Operate the component: B27RR Door Handle Switch - Right Rear Exterior - Pressed

    Verify the scan tool parameter: Exterior Right Rear Door Handle Switch = Active

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  7. All OK.
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