-479w.webp)
-479w.webp)
Computer Diagnostics
Advanced Diesel Diagnostics for Commercial Trucks Across Connecticut
Stop guessing and start fixing. Our OEM‑grade computer diagnostics pinpoint issues fast—saving time, parts, and downtime for your fleet.
Why Fleets Choose Us
Fast, Precise, and Fleet‑Focused
We blend OEM‑level tools with real‑world repair experience to shorten time‑to‑fix.
85%
Issues diagnosed in under 60 minutes
10+ OEMs
Coverage (Cummins, Detroit, PACCAR, Navistar & more)
24/7
Dispatch for roadside or shop service
What We Do
We connect professional diagnostic tools to your truck’s systems to identify faults, verify live data, and recommend the fastest path to repair—roadside or in‑shop.
Services Include
OEM‑grade code scans & live data streams
After‑treatment diagnostics (DPF, DOC, SCR) & forced regens (where supported)
ABS, transmission, body control & lighting system checks
Sensor testing (NOx, EGT, MAP/MAF, O2) and wiring diagnostics
Pre‑purchase / post‑repair verification & health reports
Check Engine / MIL Lights
Identify root causes quickly and clear confirmed faults.
DPF / Emissions Problems
Determine if a regen, cleaning, or component repair is needed.
Power Loss / Derate Conditions
Use live data to find airflow, fuel, or sensor issues.
Electrical / Communication Faults
Track down wiring, CAN bus, or module problems fast.
Pricing
(Quick Notes)
Transparent pricing before work begins. Diagnostic rates vary by system complexity and location (roadside vs. shop); we’ll confirm costs and ETA on the call.
Call or Book Online
at (203) 520‑4224 or tap Request Diagnostics
Share Unit & Symptoms
Tell us where you are and what needs repair (frame, trailer, exhaust, etc.).
Connect & Diagnose
roadside or at our shop; get a clear repair plan
E. Rivera
Fleet Ops
“Derate cleared and root cause fixed the same day—back on route.”
S. Patel
Owner‑Operator
“They caught a wiring short we’d have missed. Honest and fast.”
M. Walker
Dispatcher
“DPF faults diagnosed correctly—no wasted parts.”
T. Kim
Maintenance Lead
“Professional reporting helped our warranty claim.”
What Our Clients Say
Mobile Welding That Gets You Rolling Again
Coverage Across Connecticut
Headquartered in Wallingford, CT, with coverage across Hartford, New Haven, Fairfield, Middlesex, Tolland, Litchfield, New London, and Windham counties.
Key corridors: I-95 • I-91 • I-84 • Route 15 and major distribution hubs.