Circuit/System Verification

Ignition - On / Vehicle - In Service Mode
Verify there are no other DTCs set, except for DTC C2A3B.
- If the DTC is not set
  All OK.
- Go to next step: If the DTC is set
Test drive the vehicle. = Greater than 20 km/h (13 MPH) - For 1 km (.7 mi)
Ignition/Vehicle & All vehicle systems - Off = Greater than 2 min
Ignition - On / Vehicle - In Service Mode
Clear DTCs
Verify DTC C2A3B is not set.
- If the DTC is set
1. Test or inspect for the following: Brake Pedal = Binding or Sticking
  Refer to Brake System Slow Release
2. Perform the scan tool control function: Brake Hydraulics Test
3. Test drive the vehicle. = Greater than 20 km/h (13 MPH) - For 1 km (.7 mi)
4. Ignition/Vehicle & All vehicle systems - Off = Greater than 2 min
5. Clear DTCs
6. Verify DTC C2A3B is not set.
  - If the DTC is set
    Test or replace the component: A104 Brake Master Cylinder
  - Go to next step: If the DTC is not set
    Go to next step: All OK
- Go to next step: If the DTC is not set
All OK.