For the GM SUVs like the Acadia and Traverse, it’s often found behind the fan shroud. Simply disconnect the battery, unplug the electrical connectors from the old module, unbolt it, and install the new one in its place.
2003-2004 Cadillac CTS ECM Engine Control Module | Pre-Programmed to Your VIN
Chassis ECM Temperature Under Center Dash VIN A 4th Digit Fits 14 Cadillac CTS
Belt Tensioner with Pulley For 2004-2007 Cadillac CTS 3.6L 2008 Cadillac CTS
Cabin Air Filter For 2003 2004 2005-2013 Cadillac CTS Cadillac SRX Cadillac STS
New AC Evaporator for 08-14 Cadillac CTS/CTS-V Sedan 89022546
K&N 69-4527TS Cold Air Intake Kit for 12-13 Cadillac CTS 3.0 V6 / 12-14 CTS 3.6L