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Home >> GMC >> 2022 >> Terrain SLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 281 (Cellular, Entertainment, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1271 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2021 GMC Terrain and 2021 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, A11 Radio ON.
  2. Verify DTC B1271 is not set.
    • If DTC B1271 is set 

      Replace the A11 Radio.

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