DEF Diagnostics & Repair

Service Description

We offer complete DEF (Diesel Exhaust Fluid) system diagnostics and repair services for all makes and models. Using dealer-level diagnostic software, our technicians accurately pinpoint issues within the DEF system — from failed doser valves and sensors to clogged filters or heater faults. Whether your truck is in derate mode or showing a DEF warning, we’ll identify the root cause and get you back to full performance quickly and reliably.