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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 349 (Parking Brake System) >> Diagnostic Information and Procedures >> DTC C056E: Electronic Control Unit Hardware Calibration Not Learned >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

DTC C056E 4B

  1. Ignition ON.
  2. Verify that DTC C056E 4B is not set.
    • If the DTC C056E 4B is set 
    1. Perform the Setup and Configuration step of programming the K17 Electronic Brake Control Module.
      NOTE:

      It is not necessary to perform the Programming step in the case of this DTC.

    2. Verify the DTC does not set.
      • If the DTC sets, replace the K17 Electronic Brake Control Module.
      • If the DTC does not set
    3. All OK.
    • If the DTC C056E 4B is not set 
  3. All OK.
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