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Home › Buick › 2016 › Cascada Base › Repair and Diagnosis › Engine Performance › System › Data Communication System › Diagnostic Information and Procedures › DTC C056D: Electronic Control Unit Software › Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC C056D is not set.
    • If DTC C056D is set 

      Replace the device that set the DTC.

    • If DTC C056D is not set 
  3. All OK
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