GM OEM Electronic Control Module. The ECM directs the engine to run smoothly. It regulates various parts of your vehicles engine by taking the inputs from sensors and additional modules and referencing that information back to other sensors, modules, and other areas of the vehicle.

Subject to a Fully refundable $100.00 Core Charge

**Every ECM is Vin Specific, Please Provide Last 8 of VIN Number

*Requires Dealer Programing