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Home › Buick › 2017 › Envision Base › Repair and Diagnosis › Accessories & Equipment › Infotainment › Cellular System, Entertainment System, And Navigation System › Diagnostic Information and Procedures › DTC B1271: Theft Protection Active › Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, A11 Radio ON.
  2. Verify DTC B1271 is not set.
    • If DTC B1271 is set 

      Replace the A11 Radio.

    • If DTC B1271 is not set 
  3. All OK.
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