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Home >> Buick >> 2017 >> Envision Essence, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B390F: Frontview Camera >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC B390F 4B is not set.
    • If the DTC is set 
    1. Program the K157 Video Processing Control Module.
    2. Verify DTC B390F 4B is not set after programming.
      • If the DTC sets after programming, replace the B174G Frontview Camera - Grille.
      • If the DTC does not set
    3. All OK.
    • If both DTCs are not set 
  3. Verify DTC B390F 66 is not set.
    • If the DTC is set 

      Remove the B174G Frontview Camera - Grille and reinstall

    • If the DTC is not set 
  4. Verify DTC B390F 08 is not set.
    • If DTC is set 

      Refer to Circuit/System Testing

    • If DTC is not set 
  5. All OK.
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