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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 B101E: Electronic Control Unit Software >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify that DTC U0028 or U0029 is not set.
    • If none of the DTCs are set 
  3. Verify DTC B101E is not set.
    • If DTC B101E is set 
    1. Program the device that set the DTC.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the device that set the DTC.
      • If the DTC does not set
    3. All OK.
    • If DTC B101E is not set 
  4. All OK
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