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Home >> Cadillac >> 2017 >> XT5 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B101D: Electronic Control Unit Hardware >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC B101D is not set.
    • If DTC B101D is set 

      Replace the device that set the DTC.

    • If DTC B101D is not set 
  3. All OK