Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 4539326

Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 2131790

Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 1447406

Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 921258

Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 520149

Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 104952130

Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 104942422

Engine ECM Electronic Control Module 3.6L ID 12616889 Fits 10-12 CTS 104916220