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 Cargo Lamp Command parameter changes between Inactive to Active when opening and closing the rear liftgate.
- If the parameter does not change
Refer to Circuit/System Testing - Trunk Release Malfunction
- Go to next step: If the parameter does change
Go to next step: Refer to Circuit/System Testing - Rear Compartment Lamp Malfunction
- If the parameter does not change