Mobile & Remote Diagnostics for Medium and Heavy-Duty Trucks

Fast, dealer-level ECM scanning, resets, and diesel upgrades—on-site or remote.

100% Transparency

Genuine Spare Parts

Trusted & Quality Service

Years of Experience

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About Us

Precision ECM & Diesel Upgrades delivers cutting-edge diagnostics and performance solutions for box trucks, sprinter vans, and Class 8 tractors.

From on-site mobile service to real-time remote diagnostics, we get your truck back on the road faster—saving you money on towing and downtime.

Our team combines industry expertise with advanced technology to provide reliable, long-lasting solutions for both individual operators and fleet owners. Whether it’s troubleshooting complex ECM issues, optimizing performance, or preventing future breakdowns, we focus on keeping your vehicles running at their best.

Solutions We Provide

Mobile Diagnostics

We bring the shop to you—yard, warehouse, job site, or roadside. Our fully equipped service trucks perform...

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Remote Diagnostics

Connect with us from anywhere. We use secure telematics to...

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Diesel Upgrades & Performance

Enhance power and efficiency with...

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Why Choose Precision ECM & Diesel Upgrades

Rapid Response

Same-day mobile service and instant remote support.

Fleet & Owner-Operator Friendly

Solutions for one truck or an entire fleet.

Dealer-Level Tools

Advanced ECM and diesel technology without dealership pricing.

DMV-Based, Nationwide Reach

Local expertise with the ability to serve long-distance clients remotely.

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Trucks Serviced On-Site

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Remote Diagnostics Completed

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Years of Experience

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Customer Satisfaction Rate

What Our Clients Say

"Precision ECM & Diesel Upgrades saved us thousands in towing fees. Their mobile service got our truck back on the road the same day. Truly reliable and professional."

James H

"The real-time remote diagnostics are a game-changer. We had an issue in the middle of a delivery route, and they solved it in minutes without even being on-site."

Maria S

"Honest, transparent, and skilled. They explained every step, used genuine parts, and delivered on time. Couldn’t ask for better service."

Robert K

"We rely on Precision ECM for our entire fleet. Their performance upgrades improved fuel efficiency and power across all our trucks. Highly recommend!"

Angela T

Keep Your Fleet Rolling—Today!

Need service? Call (202)428-9383 or [Request Service] to get started.