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 ON.
- Verify the scan tool Park Brake Switch parameter changes between Inactive and Pressed when cycling the S91 Parking Brake Control Switch.
- If the parameter does not change
Refer to Circuit/System Test.
- Go to next step: If the parameter changes
- If the parameter does not change
- All OK.