Truck Diagnostics & Electrical Repair in St George, UT

Expert Semi-Truck Electrical Repair in St George, UT

Modern diesel trucks are packed with complex electrical systems, from engine control modules (ECMs) to battery-operated lighting and safety systems. When something goes wrong, it can lead to starting issues, power loss, and even complete breakdowns. Our team uses advanced diagnostic tools to locate electrical faults and repair them efficiently.

Our Truck Electrical Repair & Diagnostics Services Include:

• Full Engine Diagnostics & Fault Code Reading – Using OEM-grade scanners to troubleshoot check engine lights and error codes.
• ECM & PCM Troubleshooting – Engine control module (ECM) and powertrain control module (PCM) diagnostics and repairs.
• Battery Testing & Replacement – Checking voltage, alternator charging, and replacing bad batteries.
• Alternator & Starter Repairs – Diagnosing charging system failures and repairing faulty alternators and starters.
• Wiring & Electrical System Repairs – Fixing damaged wiring, fuses, relays, and power connections.
• Lighting System Repairs – Troubleshooting trailer lights, headlight circuits, and cab electrical systems.
• Diesel Emissions System Diagnostics – Checking DEF systems, DPF sensors, and aftertreatment components.
• GPS, Telematics & Fleet Monitoring Installations – Helping fleet owners integrate vehicle tracking and diagnostics tools.

From simple fuse replacements to full wiring repairs, we ensure your truck’s electrical system is fully operational.

Why Choose Us for Truck Diagnostics & Electrical Repairs?

At Amoretti Diesel Repair and Service, we use state-of-the-art diagnostic equipment to ensure accurate troubleshooting and efficient repairs. Here’s why truckers and fleet owners trust us:

Advanced Diagnostic Technology – We use dealer-level diagnostic tools for all major truck brands.

Expert Electrical Technicians – Skilled in electrical system repairs, ECM tuning, and wiring diagnostics.

Fast & Accurate Troubleshooting – We pinpoint issues quickly to get you back on the road faster.

High-Quality Parts & Components – We use OEM and high-quality aftermarket electrical parts for reliability.

24/7 Roadside Assistance – If your truck won’t start or has electrical failures on the road, we’ll come to you.

Contact Us for Truck Electrical Repairs & Diagnostics Now: Call 435-773-8511!

If your truck has electrical issues, warning lights, or starting problems, call Amoretti Diesel Repair and Service at 435-773-8511 today! Our expert technicians will diagnose and repair the issue quickly.

FAQs

What Areas Do You Serve for Electrical Repairs & Diagnostics?

We provide diagnostic and electrical repair services in St George, UT, and surrounding areas, including:

Washington, UT; Hurricane, UT; Santa Clara, UT; Ivins, UT; La Verkin, UT; Toquerville, UT; Leeds, UT; Springdale, UT; Enterprise, UT; Cedar City, UT.

How Do I Know If My Truck’s Electrical System Needs Repairs?

Common signs of electrical issues include:

• Dim or flickering lights
• Truck won’t start or cranks slowly
• Check engine light or warning lights staying on
• Battery not charging properly
• ECM or PCM error codes

Can You Diagnose & Repair ECM or PCM Issues?

Yes! We diagnose, reprogram, and repair issues with your engine control module (ECM) and powertrain control module (PCM) to restore optimal performance.

How Can I Get My Truck’s Electrical System Diagnosed?

Call 435-773-8511 or visit Amoretti Diesel Repair and Service in St George, UT, to schedule diagnostics and electrical repairs.