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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Parking Brake System) >> Diagnostic Information and Procedures >> DTC C056E: Electronic Control Unit Software >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC C056E is not set.
    • If the DTC is set 
    1. Program the K83 Parking Brake Control Module. Refer to Electronic Parking Brake Control Module Programming and Setup .
    2. Verify the DTC is not set.
      • If the DTC is set, replace the K83 Parking Brake Control Module.
      • If the DTC is not set
    3. All OK.
    • If the DTC is not set 
  3. All OK.
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