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Home >> GMC >> 2018 >> Terrain SL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance Systems >> Diagnostic Information And Procedures >> DTC B101D: Electronic Control Unit Hardware (Frontview Camera Module Or Frontview Camera - Windshield) >> Circuit/System Verification
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Circuit/System Verification

  1. Verify that DTC B101D symptom byte 3C is not set as current.
    • If DTC B101D symptom byte 3C is set as current 

      Reprogram the K109 Frontview Camera Module

    • Go to next step: If DTC B101D symptom byte 3C is not set as current 
  2. Verify that DTC B101D is not set as current.
    • If DTC B101D is set as current 

      Replace the K109 Frontview Camera Module

    • Go to next step: If DTC B101D is not set as current 
  3. All OK.
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