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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B12A6 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify DTC B12A6 39 is not set.
    • If DTC B12A6 39 is set 

      Replace the P17 Info Display Module.

    • Go to next step: If DTC B12A6 39 is not set 
  3. All OK.
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