Circuit/System Verification
- 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
- Go to next step: If the procedure/test passes
- If the procedure/test does not pass
- Ignition/Vehicle & All vehicle systems - Off - For greater than 2 min
- Ignition - On / Vehicle - In Service Mode
- Verify DTC C2A17 is not set.
- If DTC C2A17 is set
Test or replace the component: A104 Brake Master Cylinder
- Go to next step: If DTC C2A17 is not set
- If DTC C2A17 is set
- All OK.
NOTE:
If the Brake Hydraulics Test still fails after performing the Hydraulic Brake System Bleeding at least 3 times, performing the scan tool control function test Brake System Hydraulics Corner Test can be performed to help isolate the concern.