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Home >> Cadillac >> 2019 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Image Display Camera System) >> Diagnostic Information and Procedures >> DTC B390F >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  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 and performing Video Processing Control Module Calibration (with UVH) Video Processing Control Module Calibration (with UVJ) .
      • If the DTC sets after programming, replace the B174G Frontview Camera - Grille.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: 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

    • Go to next step: If the DTC is not set 
  4. Verify DTC B390F 08 is not set.
    • If DTC is set 

      Refer to Circuit/System Testing

    • Go to next step: If DTC is not set 
  5. All OK.
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