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Home >> Chevrolet >> 2021 >> Trailblazer L >> Repair and Diagnosis >> Body & Frame >> Fixed And MOVEABLE Windows >> Diagnostic Information and Procedures >> DTC B0283 >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Perform the scan tool control function: Rear Defogger - On and Off

    Verify the component turns On and Off: E18 Rear Defogger Grid

    • If the component does not turn On and Off 

      Refer to Circuit/System Testing

    • Go to next step: If the component turns On and Off 
  3. All OK.
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