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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Cellular System, Entertainment System And Navigation System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B124F: Universal Serial Bus (USB) Programming >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON/vehicle in Service Mode.
  2. Verify DTC B124F is not set.
    • If DTC B124F is set 
    1. Program the device that set the DTC.
    2. Verify the DTC does not set.
      • If DTC is set, replace the device that set the DTC.
      • If the DTC is not set
    3. All OK.
    • If DTC B124F is not set 
  3. All OK
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