Circuit/System Verification
- Ignition/Vehicle - Off
- Verify there are no leaks in the component/system:Brake System - Refer to:Brake Fluid Loss
- Ignition - On / Vehicle - In Service Mode
- Perform the scan tool control function:Brake Hydraulics Test
- If the procedure/test does not pass
Refer to:Hydraulic Brake System Bleeding (Manual) Hydraulic Brake System Bleeding (Pressure)
- Go to next step: If the procedure/test passes
- If the procedure/test does not pass
- Ignition/Vehicle - Off - For greater than 5 min
- Fill the brake fluid reservoir to the full level indicator.
- Ignition/Vehicle - On - For greater than 30 s - Brake Pedal Not Applied
- Ignition/Vehicle - Off - For greater than 5 min
- Verify DTC C05B0 is not set.
- If DTC C05B0 is set
Replace the component:A104 Brake Master Cylinder
- Go to next step: If the DTC is not set
- If DTC C05B0 is set
- All OK.