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Home >> GMC >> 2024 >> Hummer EV 2 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> DTC C2A4F >> Circuit/System Verification

Circuit/System Verification

  1. Ignition/Vehicle - Off
  2. A104 Brake Master Cylinder = Ambient Air Temperature
  3. Ignition - On / Vehicle - In Service Mode
  4. Under normal operating conditions: Verify DTC C2A4F is not set
    • If the DTC sets 

      Replace the component: K160 Brake System Control Module

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