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 ...

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!

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, ...

To remedy the matter, GM will notify owners, and dealers will reprogram the ECM software, at no cost to owners. The automaker had not yet released a notification schedule. Owners can reach GM customer ...