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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1446 or B1447 >> Circuit/System Verification

Circuit/System Verification

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  1. Verify DTC B1446/B1447 is not set.
    • If DTC B1446/B1447 is set 

      Test or replace the component:C3 Telematics Communication Interface Control Module Battery

  2. Verify DTC B1446/B1447 is not set.
    • If DTC B1446/B1447 is set 

      Test or replace the component:K73 Telematics Communication Interface Control Module

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