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Home >> Chevrolet >> 2019 >> Sonic LS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Data Communication System) >> Diagnostic Information and Procedures >> DTC C056D >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle In Service Mode.
  2. Verify DTC C056D is not set.
    • If DTC C056D is set 

      Replace the device that sets the DTC.

    • Go to next step: If DTC C056D is not set 
  3. All OK
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