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Home >> Buick >> 2017 >> Cascada Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC B1001 >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON/Vehicle In Service Mode.
  2. Verify DTC B1001 is not set.
    • If DTC B1001 is set 
    1. Program the device that sets the DTC.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the device that sets the DTC.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If DTC B1001 is not set 
  3. All OK
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