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Home >> Buick >> 2018 >> Enclave Base >> 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/Vehicle in Service Mode. Control Module ON.
  2. Verify DTC B1271 is not set in Control Module.
    • If DTC B1271 is set in Control Module 

      Replace the Control Module.

    • Go to next step: If DTC B1271 is not set in Control Module 
  3. All OK.
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