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Home >> GMC >> 2018 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 331 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Radio Poor Reception >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the antenna for proper mounting or physical damage.
    • If damage is found 

      Repair or replace as necessary

    • If no damage is found 
  2. Ignition ON, A11 Radio ON.
  3. 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 
  4. All OK.