Diagnostics & Electrical Repair in Shreveport, LA

Diagnostics & Electrical Repair in Shreveport, LA

Chasing a check engine light or mystery fault code? SB Diesel provides expert diagnostics and electrical repair in Shreveport, LA for diesel trucks, trailers, and equipment—getting to the root of the problem fast.

Fast, Accurate Diagnostics for Diesel Systems

Diesel systems are complex—modern trucks rely heavily on sensors, modules, and wiring to operate safely and efficiently. At SB Diesel, we use advanced scan tools and in-depth knowledge to deliver precise diagnostics and electrical repairs for every class of diesel-powered vehicle.

We don’t guess—we verify. Our technicians isolate faults quickly, explain what’s wrong, and give you honest repair recommendations. Whether it's a faulty ground, a failed sensor, or a stubborn code that won’t clear, we’ll get to the bottom of it.

Our services include:

• Full diagnostic scans and troubleshooting
• Check engine light and fault code resolution
• ECM/TCM communication and module testing
• Battery, alternator, and starter diagnostics
• Harness and wiring repairs
• Sensor testing and replacement
• Lighting and electrical accessory repair
• ABS, DPF, and aftertreatment system codes

We work on all major diesel platforms including Cummins, CAT, Power Stroke, Detroit, and Duramax.

What Makes Us Different

At SB Diesel, we approach diagnostics like a science—because it is. We’ve invested in dealer-grade tools and ongoing technician training to ensure we catch what other shops miss. Our goal is to eliminate the guesswork and save you time, money, and future breakdowns.

Electrical systems can be especially frustrating, especially when intermittent faults are affecting performance or safety. We know how to find and fix these problems without unnecessary part replacements or trial-and-error repairs.

Need help on the job site or roadside? We also offer mobile diagnostics and electrical repair within a 60-mile radius

FAQs