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Home >> Chevrolet >> 2018 >> Traverse Premier, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B1446 or B1447 (UI3) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON/vehicle in Service Mode
  2. Verify DTC B1446 or B1447 is not set in the Telematics Communication Interface Control Module
    • If DTC B1446 or B1447 is set 

      Repalce the C3 Telematics Communication Interface Control Module Battery

    1. Verify DTC B1446 or B1447 is not set in the Telematics Communication Interface Control Module
    2. If DTC B1446 or B1447 is set

      Replace the K73 Telematics Communication Interface Control Module

      • Go to next step: If DTC B1446 or B1447 is not set

        Go to next step: All OK

    • Go to next step: If DTC B1446 or B1447 is not set 
  3. All OK
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