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Home › GMC › 2012 › Yukon Base, RWD › Repair and Diagnosis › Accessories & Equipment › Entertainment Systems › Cellular System, Entertainment System, And Navigation System › Diagnostic Information and Procedures › DTC B1271 › Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, 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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