TRUCK ECM America's #1 ECM Rebuilders specializes in Diesel ECM repairs and replacements, including Cummins, Detroit Diesel, Caterpillar ECMs and CPC4 repairs for Freightliner trucks. Reviews consistently highlight excellent, friendly, and professional customer service. Customers report having their ECM or CPC unit ready in less than 24 hours, saving them a lot of money and getting them back on the road quickly. The experienced engineers and technicians know what they are doing, providing peace of mind. Their actions speak for themselves, with a commitment to satisfaction even if follow-up is needed. Many customers highly recommend them and state they will definitely use their services again for all ECM and CPC issues.
Great place to send your Ecm , 100% honest people, I sent my computer here to get a diagnostic and at the end they don’t find nothing wrong with it, and just charge me for diagnostic 100.00 maybe someone else tell me otherwise and lies about just to to overcharge me for it 👍👍Thank you
February 2026
Just stopped in to pick up an ECM for a friend and had a great experience! Staff were friendly and helpful.
December 2025
Very happy with the repair my truck won’t accelerate and sometimes won’t start. I sent then my cpc4 they fixed and reprogrammed. And everything was working back to normal.