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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B125A: Antenna Signal Circuit >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, A11 Radio ON.
  2. Verify station reception is normal when tuned to several known good AM and FM stations.
    • If AM or FM reception is poor. 

      Refer to Circuit/System Testing

    • If reception is normal 
  3. All OK.
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