2012 Chevy Volt Engine Computer Control Module ECU ECM PCM 12649603 OEM: $30.00 This engine control unit (ECU) is a genuine OEM part for the 2012 Chevy Volt. It is designed for easy installation and ...

Remanufactured 1227165 GM Engine Computer ECM PCM Brain Box EM7165S 776571 For Sale When you click on links to various merchants on this site and make a purchase, this can result in this site earning ...

What is actually the difference between the PCM, ECM, ECU, and TCM, and how can you know the difference? You will find the answer to this in this article!