Circuit/System Verification
WARNING: This page is about a different car, the 2020 Cadillac CT6. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON/Vehicle in Service Mode.
- Verify DTC C0574 is not set
- If the DTC is set
Replace K19 Suspension Control Module.
- Go to next step: If the DTC is not set
- If the DTC is set
- All OK.