OEM Diagnostics
Use professional diagnostic software to read engine, transmission, ABS, aftertreatment and other vehicle systems.
ADVANCED ELECTRICAL DIAGNOSTICS
Electrical & OEM Diagnostics
OEM-level electronic diagnostics, wiring repair, no-start troubleshooting and network/electrical fault isolation.
MOBILE HEAVY-DUTY SERVICE
Diagnose the System — Not Just the Symptom
Smith Truck Repair brings commercial-truck diagnostics and repair to the truck, yard or roadside location. Work is scoped to the actual fault and approved before repairs expand.
- OEM-level scan and fault-code analysis
- No-start and intermittent electrical diagnosis
- Charging and starting systems
- CAN/J1939 network and module communication concerns
- Harness, connector, power and ground testing
- Instrument cluster, lighting and body-control diagnostics
REAL SMITH TRUCK REPAIR WORK
Field-Proven Capability
Photos shown on this website include real repair and diagnostic work performed by Smith Truck Repair.
SERVICE CAPABILITIES
Electrical & OEM Diagnostics
Wiring & Harness Repair
Trace opens, shorts, corrosion, damaged connectors, power/ground faults and intermittent circuit failures.
No-Start / No-Crank
Test batteries, cables, starters, controls, interlocks, modules and related starting circuits.
J1939 / Data Network
Diagnose communication faults, module dropouts and network issues that can affect multiple systems.
Dash / Instrumentation
Troubleshoot gauges, warning lights, cluster concerns and related electrical inputs.
Charging Systems
Alternator, battery, cable and voltage-drop testing for commercial-truck electrical systems.
NEED THIS SERVICE?
Send the Truck Details Before Dispatch
Use the online questionnaire to send the location, truck information, symptoms, fault codes and photos.