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Home >> GMC >> 2018 >> Acadia SL >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Diagnostic Information And Procedures >> DTC C056E: Electronic Control Unit Software - Calibration Not Learned >> Circuit/System Verification

Circuit/System Verification

DTC C056E 4B

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC C056E 4B is not set.
    • If the DTC is set 
    1. Perform the necessary programming and setup procedure: K17 Electronic Brake Control Module - Step 4
    2. Verify the DTC does not set.
      • If the DTC sets - Replace the component: K17 Electronic Brake Control Module
      • Go to next step: If the DTC is not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK.
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