ECM – GM (12659039)

The GM Genuine Parts ECM listed here carries part number 12659039 and installs where the original was removed. The unit replaces a PCM that no longer communicates or holds its calibration. Catalogue application notes: CT6. 3.6l. 3.6L, 3.6L twin-turbo, without twin-turbo. Match 12659039 to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Shipped from our US warehouse with tracking.