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Home >> Chevrolet >> 2025 >> Trax LS >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> DTC C15C7 >> Circuit/System Verification

Circuit/System Verification

  1. Visually inspect the brake fluid level through the brake master cylinder reservoir. Refer to: Brake Master Cylinder Reservoir Filling 
  2. Disconnect the electrical connector: B20 Brake Fluid Level Sensor
  3. Perform the scan tool control function: Brake Hydraulics Test
    • Go to next step: If the procedure/test passes 
  4. Confirm the B20 Brake Fluid Level Sensor electrical connector is connected.
  5. Ignition/Vehicle - Off - For greater than 10 s
  6. Clear DTCs.