This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is a guaranteed replacement for all 2007 Buick Rainier PCM models with a 4.2L engine size and matching part number 12611643. This module belongs to the hardware code 12602010.
This unit will arrive Programmed & Updated to your vehicle's VIN (Vehicle Identification Number). The unit will be Plug and Play with no additional programming required.
NOTE: We will need your VIN number in order to program the unit. During the checkout process, please enter your VIN Number in the text box labeled "VIN" located at the top of the Billing Information section.
Don't have your VIN number on hand? Not a problem, you can send it to us later by e-mail (firstname.lastname@example.org) or by phone (516-766-2223)