Circuit/System Verification
- Ignition - On / Vehicle - In Service Mode
- Verify DTC C0049 is not set.
- If the DTC is set
- Go to next step: If the DTC is not set
- Test or inspect for the following:Brake System Malfunction
Refer to:Disc Brake System Diagnosis
- 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
- Verify DTC C0594 is not set.
- If the DTC is set
If the DTC sets - Replace the component:A104 Brake Master Cylinder
- Go to next step: If the DTC is not set
- If the DTC is set
- All OK.