COMPATIBILITY
This Engine Control Module (ECM) is a genuine replacement for all 2008 Chevrolet Trailblazer SS models with the 6.0L LS2 engine and 4L70E transmission. The GM part number for this ECU is 12636660 and the hardware code is 12636660. 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 2008 Chevrolet Trailblazer SS with the 6.0L LS2 engine and 4L70E transmission. IMPORTANT! If this ECU will be installed in a 2008 Chevrolet Trailblazer SS, 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.