Flashmasters ECM specializes in programming GM and Chrysler engine computers (ECMs/PCMs). Their programmed units are designed for easy, plug-and-play installation. They offer diagnosis to ensure customers purchase the correct programmed ECM and can clone original parts. With mechanics on staff, they provide valuable support and are a trusted, top-rated eBay seller. Customers report great experiences, with services described as highly recommended. They efficiently program units, often with same-day shipping, and provide clear communication. Reviews highlight how they resolved complex issues after dealerships could not, getting vehicles running like new again. Many customers, including professional shops, express gratitude and state Flashmasters will be their go-to service, praising the fast turnaround and reliable performance that even passes state smog tests.
Sorry I;m late returning the first computer, issues were my Aurora, it finally smogged 06/30/22, first one is on its way. Been trying since 12/03/21, after Engine rebuild.
July 2025
Highly recommend. ECM had been cleaned inside and out. Plug and play as described.
July 2025
The staff is very helpful and the customer service is great. I've now ordered 2 ECMs for 2 separate vehicles and they have both worked without an issue! The shipping is very fast exactly how they advertise. Their business card is on file for all future ECM orders and needs!
