Flashing warning lights and electrical failures can sideline your truck fast. DTS Truck Repair delivers precise diagnostics and electrical repair to identify the root cause quickly and get you back on the road without unnecessary downtime.

Heavy-Duty Diagnostics & Electrical Repair in Stevensville, MT
Modern heavy-duty trucks rely on complex electrical systems and onboard computers to control performance, safety, and emissions. Our diesel technicians use advanced diagnostic tools to identify faults at the source rather than replacing parts blindly. Accurate diagnostics allow us to pinpoint failures in sensors, wiring, charging systems, and control modules.
Our diagnostics and electrical services include:
- Full truck diagnostics and fault code analysis
- Advanced electrical system diagnostics
- Battery, alternator, and starter testing and replacement
- Wiring inspection, repair, and circuit troubleshooting
- ECM and control module diagnostics
- Sensor testing and replacement
- Charging and starting system repair
- Electrical drain and intermittent fault diagnosis
Why DTS Truck Repair is Trusted in Ravalli & Missoula Counties
DTS Truck Repair knows that electrical issues bring a frustrated look to a truck owner's face. Intermittent faults, warning lights, and no-start conditions require patience, experience, and the right equipment. Our team takes a methodical approach, ensuring problems are fully diagnosed before any repairs are made. Our experience maintaining fire trucks has trained our team to meet higher standards of precision and accountability on every repair.
What sets us apart:
- Experience in diagnosing complex electrical systems, including fire truck fleets
- ASE-certified technicians trained in heavy-duty diagnostics
- Advanced diagnostic equipment for accurate fault detection
- Honest explanations without unnecessary parts replacement
- Standard parts warranty for added reliability and peace of mind
Contact Us About Diagnostics & Electrical Repair Now: Call 406-830-6420!
Electrical problems rarely resolve on their own and often worsen over time. If your truck is experiencing warning lights, starting issues, power loss, or electrical failures, call 406-830-6420 to schedule professional diagnostics and electrical repair with DTS Truck Repair. We’ll identify the issue accurately and get your truck back to dependable operation.
FAQs
What Areas Do You Serve For Heavy-Duty Diagnostics & Electrical Repair?
In addition to Stevensville, MT, we proudly serve Hamilton, Lolo, Florence, Victor, Corvallis, Darby, Frenchtown, Bonner, Clinton, Saint Regis, Superior, Polson, Ronan, and Salmon, ID, as well as Ravalli, Missoula, Lake, Mineral, Powell, Granite, Lemhi, and Idaho Counties.
What Does A Truck Diagnostic Test Show?
A truck diagnostic test reads fault codes and live data from onboard control modules to identify problems with sensors, electrical circuits, fuel delivery, emissions systems, and engine performance. This data helps technicians pinpoint failures accurately instead of relying on guesswork.
Can Electrical Problems Cause A Truck Not To Start?
Yes, electrical issues such as weak batteries, faulty starters, damaged wiring, bad sensors, or control module failures can prevent a truck from starting. Proper diagnostics are required to identify the exact cause and restore reliable starting and operation.
How Can I Get Heavy-Duty Diagnostics & Electrical Repair?
If you need heavy-duty diagnostics and electrical repair, call 406-830-6420 to speak with DTS Truck Repair. Our team will perform accurate testing, explain the results clearly, and complete only the repairs your truck truly needs.
Fast And Effective Truck Repairs
We repair everything from work trucks to fire engines, using top-quality parts and ASE-certified precision. Your truck gets back on the road safely and efficiently.
Testimonials
Here's What our customers are saying, feel free to leave us a review!
Roland Hoover

