Engine Control Module (ECM) – GM (88999138)

GM Genuine Parts supplies this Engine Control Module under part number ECM) – GM (88999138 as a factory-pattern replacement. It plugs into the factory harness and runs the system it was programmed for. Confirm the number on the part you are removing matches ECM) – GM (88999138 before ordering; superseded numbers are the same component under a later release. Ships from our US warehouse.