ECU / FAULT CODE ANALYSISComputer Diagnostics
OEM-level fault-code retrieval, live-data monitoring, system testing, and guided troubleshooting to find the root cause before parts are replaced.
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AMERICANSERVICE & SUPPLY
Professional mobile diesel truck and trailer repair with accurate diagnostics, dependable workmanship, and practical fleet support.
Visual, system-by-system service built around accurate diagnostics, clear communication, and getting commercial equipment back to work.
ECU / FAULT CODE ANALYSISOEM-level fault-code retrieval, live-data monitoring, system testing, and guided troubleshooting to find the root cause before parts are replaced.
Request diagnostics →
WIRING / STARTING / CHARGINGRoot-cause testing and repair for damaged wiring, connectors, grounds, charging systems, lighting, sensors, CAN communication, and intermittent faults.
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DPF / SCR / DEFDiagnosis and repair of DPF, DOC, SCR, DEF dosing, NOx sensors, temperature and pressure sensors, regeneration, and derate concerns.
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ENGINE PERFORMANCEProfessional engine diagnostics and repair for fuel, cooling, air-management, drivability, injector, valvetrain, sealing, and mechanical concerns.
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BRAKES / SUSPENSION / WHEEL ENDSafety-focused inspection and repair of air brakes, suspension, steering components, wheel ends, and other chassis systems critical to reliable operation.
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TRUCK & TRAILER SUPPORTTrailer ABS, lighting, air systems, brakes, wheel seals, bearings, suspension, landing gear, doors, hardware, PM inspections, and DOT-related repairs.
Request fleet service →Independent diagnostics and repair experience across many of North America’s leading commercial truck and diesel platforms.
Manufacturer names identify platforms serviced. American Service & Supply is an independent repair provider and is not affiliated with or endorsed by these manufacturers.
NEW BERN, NORTH CAROLINAAmerican Service & Supply provides dependable diesel truck and trailer repair for businesses that cannot afford to sit still. We focus on clear communication, correct repairs, and practical maintenance that keeps your operation moving.
Mobile commercial truck and trailer service is available within a 150-mile radius of New Bern, subject to scheduling and job qualification.
Contact us for dispatch availability and service details.
A service-call fee and mileage charges apply in addition to port-to-port labor.
Availability depends on distance, scheduling, vehicle condition, and repair requirements.
After-hours or priority assistance is not guaranteed and may be limited to established fleet customers or qualifying repairs. Call for availability and pricing before dispatch.
Tell us what the vehicle is doing and when you need help.
We inspect the issue and explain the recommended repair.
Quality work completed with attention to safety and reliability.
Your truck or trailer goes back to work with confidence.
Send the details below or call directly. We will follow up about your service needs.
Proudly serving customers within a 150-mile radius.
Cummins • International • Freightliner • Ford • Peterbilt • PACCAR MX