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Home >> GMC >> 2024 >> Sierra EV >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C05D2 >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle OFF.
  2. Inspect for damage - Brake System Hydraulic Brake System Diagnosis
  3. Inspect for Leaks - Brake System Hydraulic Brake System Diagnosis
  4. A104 Brake Master Cylinder = Ambient Air Temperature..
  5. Vehicle in Service Mode. Refer to Power Mode Description and Operation .
  6. Remove key fob (s) from vehicle and secure outside of vehicle.
  7. Perform the scan tool control function: Brake Hydraulics Test
  8. Verify DTC C05D2 is not set
    • If the DTC sets 

      Replace the component: A104 Brake Master Cylinder

    • Go to next step: If the DTC is not set 
  9. All OK.
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