Today’s diesel engines rely heavily on electronics, making advanced diagnostics essential. At Circle V Field Services, we provide dealer-level computer diagnostics to quickly pinpoint issues within your engine’s ECM. Using state-of-the-art scan tools and software, our technicians can read fault codes, perform programming and updates, run injector cut-out tests, and service diesel particulate filters—just like the dealership, but with on-site convenience. Whether you’re dealing with warning lights, loss of power, overheating, or major engine damage, we combine cutting-edge technology with proven mechanical expertise to get you back on the road or in the field. From minor tune-ups and component replacements to full in-frame rebuilds, we handle it all. We also offer preventative engine maintenance to reduce downtime and extend engine life. With Circle V, you can count on precise diagnostics, quality repairs, and long-lasting performance.