LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2025 >> Trax LS >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> DTC C055F >> Circuit/System Verification

Circuit/System Verification

  1. Ignition/Vehicle - Off
  2. Inspect for Leaks - Brake System Hydraulic Brake System Diagnosis 
  3. Ignition/Vehicle - Off - For greater than 5 min
  4. Fill the brake fluid reservoir to the full level indicator.
  5. Ignition/Vehicle - On - For greater than 30 s - Brake Pedal Not Applied
  6. Ignition/Vehicle - Off - For greater than 5 min
  7. Verify DTC C055F is not set
    • If the DTC is not set 

      All OK.

    • Go to next step: If the DTC sets 
  8. Perform the scan tool control function: Brake Master Cylinder Pressure Test
    • If the procedure/test passes 
    1. Ignition/Vehicle - Off - For greater than 5 min
    2. Fill the brake fluid reservoir to the full level indicator.
    3. Ignition/Vehicle - On - For greater than 30 s - Brake Pedal Not Applied
    4. Ignition/Vehicle - Off - For greater than 5 min
    5. Verify DTC C055F is not set
      • If the DTC sets

        Replace the component: A104 Brake Master Cylinder

      • Go to next step: If the DTC is not set
    6. All OK.
    • Go to next step: If the procedure/test does not pass 
  9. Bleed the brake system.Refer to: Hydraulic Brake System Bleeding (Pressure) 
  10. Perform the scan tool control function: Brake Hydraulics Test
    • If the procedure/test does not pass 
  11. Replace the component: A104 Brake Master Cylinder
    • Go to next step: If the procedure/test passes 
  12. Ignition/Vehicle - Off - For greater than 5 min
  13. Fill the brake fluid reservoir to the full level indicator.
  14. Ignition/Vehicle - On - For greater than 30 s - Brake Pedal Not Applied
  15. Ignition/Vehicle - Off - For greater than 5 min
  16. Verify DTC C055F is not set
    • If the DTC sets 

      Replace the component: A104 Brake Master Cylinder

    • Go to next step: If the DTC is not set 
  17. All OK.
scientia non olet · About LEMON Manuals