Circuit/System Verification
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition/Vehicle - Off
- Test or inspect for the following: Brake Pedal = Binding or Sticking
Refer to: Brake System Slow Release
- Perform the scan tool control function: Brake Pressure Test
- If the procedure/test passes
- Ignition/Vehicle - Off - For greater than 5 min
- Ignition/Vehicle - On - For greater than 30 s - Brake Pedal Not Applied
- Verify DTC C05CD, C05CE, C05CF is not 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 sets
- All OK.
- Go to next step: If the procedure/test does not pass
- Bleed the brake system.Refer to: Automated Brake Bleed
- Perform the scan tool control function: Brake Hydraulics Test
- If the procedure/test does not pass
- Replace the component: A104 Brake Master Cylinder
- Go to next step: If the procedure/test passes
- Ignition/Vehicle - Off - For greater than 5 min
- Ignition/Vehicle - On - For greater than 30 s - Brake Pedal Not Applied
- Verify DTC C05CD, C05CE, C05CF is not 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 sets
- All OK.