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Home >> Buick >> 2017 >> Cascada Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC B101D >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON/Vehicle In Service Mode.
  2. Verify DTC B101D is not set as current.
    • If DTC B101D is set as current 

      Replace the device that sets the DTC.

    • Go to next step: If DTC B101D is not set as current or is set as history 
  3. All OK
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