ECM is a computer that monitors and controls the engine. We can repair these computers and offer both repairs and remanufactured Cummins ECMs for sale at great low prices. Whether you are interested in a one-time repair for your Cummins ECM or are looking to set up a strong business relationship with a professional repair shop, we are here to help. Remanufactured and New OEM products are available from AUTO ECM ECU. We also repair ECM, ECU and ECCs. BUICK ECM, BUICK ECU, BUICK ECC, BUICK computer is brought to you by Auto ECM ECU.