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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B12A6: Info Display Module Internal Malfunction >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC B12A6 39 is not set.
    • If DTC B12A6 39 is set 

      Replace the P17 Info Display Module.

    • If DTC B12A6 39 is not set 
  3. All OK.
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