Where is ecu on 1996 Cadillac sls?

The ECU (Engine Control Unit) on a 1996 Cadillac SLS is located in the engine compartment, specifically on the passenger side near the firewall. It may be mounted on the rear side of the engine bay, often covered by a protective panel. To access it, you may need to remove some components for better visibility. Always ensure the vehicle is turned off and disconnected from the battery before attempting to locate or handle the ECU.