COMPATIBILITY
This Engine Control Module (ECM) is a genuine replacement for all 2007 Cadillac CTS-V models with the 6.0L LS2 engine and T56 transmission. The GM part number for this ECU is 12611133 and the hardware code is 12605843. Enthusiasts commonly refer to this module as a E67 Engine Control Module (ECM).
VIN PROGRAMMING
Once we receive your order, we will pull a used, but inspected and tested, ECU from our inventory and program it with the latest GM calibration for a 2007 Cadillac CTS-V with the 6.0L LS2 engine and T56 transmission. IMPORTANT! If this ECU will be installed in a 2007 Cadillac CTS-V, you must provide us with your Vehicle Identification Number (VIN) for compatibility. You may provide a VIN during checkout as a note on the order or by email immediately following your purchase.