Truck Diagnostics & Electrical Repair Services
in North Charleston, SC

General Diesel’s comprehensive diagnostics and electrical repair services are designed to address even the most complex issues in North Charleston, SC. Professionally inspect your heavy-duty trucks and keep them operating at peak conditions. 

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Diagnostic Services for Heavy-Duty Truck Repair

Diagnostic services in heavy-duty truck repair involve utilizing advanced technologies to quickly and accurately identify issues. These services enable technicians to assess engine performance, transmission issues, electrical systems, and more. By pinpointing the exact problem areas, diagnostics reduce repair time and increase efficiency. This approach ensures precise repairs, extending the lifespan of trucks and minimizing downtime.

Effectiveness of Multiple Diagnostic Tools

Multiple diagnostic tools exist to cater to the specialized needs of different truck brands and their unique systems. Each tool is designed to interface specifically with the technology of a particular manufacturer, providing accurate diagnostics and efficient repairs. These tools enable mechanics to perform targeted repairs more effectively, reducing downtime and increasing the reliability of heavy-duty trucks. The availability of brand-specific diagnostic tools ensures that each vehicle receives the most precise and effective service for its particular requirements.

General Diesel Diagnostic Equipment in North Charleston, SC

OEM Computer Software: OEM computer software is uniquely designed to interface with a specific manufacturer's trucks, providing precise diagnostics and updates. This software enables detailed access to all electronic systems, ensuring compatibility and comprehensive data analysis. It is essential for troubleshooting specific brand-related issues accurately and efficiently.

Diamond Logic Builder: Diamond Logic Builder is designed for diagnosing and configuring the electrical systems in International trucks. It allows mechanics to customize control logic, diagnose issues, and ensure optimal electrical functionality. 

Hino DX2: Hino DX2 offers specialized diagnostic capabilities for Hino trucks, providing detailed engine analysis and troubleshooting. It allows technicians to access real-time data, adjust settings, and perform critical tests, ensuring optimal performance of Hino engines.

Isuzu IDSS: The Isuzu IDSS is designed to work specifically with Isuzu trucks, providing comprehensive engine and system diagnostics. It facilitates accurate problem identification and solution implementation, crucial for maintaining Isuzu vehicles' performance. 

Eaton Service Ranger: Eaton Service Ranger is a diagnostic and service tool used for Eaton's transmission and hybrid powertrain systems. It offers detailed diagnostics, programming capabilities, and service information, essential for maintaining Eaton-equipped heavy-duty trucks. 

Allison DOC: Allison DOC provides comprehensive diagnostic capabilities for Allison transmissions, offering key insights into transmission health and operational efficiency. It enables precise adjustments and troubleshooting, ensuring the smooth functioning of Allison transmission systems in heavy-duty trucks.

Wabco Toolbox: A tool designed for diagnosing and troubleshooting Wabco's braking and stability control systems. This tool provides crucial data and analysis, aiding in maintaining the safety and efficiency of Wabco-equipped vehicles.

Nexiq e-Technician: The equipment provides versatile diagnostic functionalities for a wide range of truck brands and components. Its broad compatibility makes it a valuable tool for mixed-fleet maintenance, offering diagnostics, data analysis, and troubleshooting across various systems. 

Volvo PTT (Premium Tech Tool): Volvo PTT is specifically designed for Volvo trucks and buses, offering advanced diagnostics, programming, and troubleshooting. It's essential for maintaining the sophisticated systems in Volvo vehicles, ensuring their high standards of performance and safety. 

J-Pro: J-Pro offers a wide-ranging diagnostic solution for all makes and models of commercial vehicles. Its comprehensive coverage, including engine, transmission, ABS, and more, makes it an essential tool for diverse fleet maintenance. 

Engine Diagnostic Equipment

Cummins Insite: Cummins Insite is a specialized diagnostic and service tool for Cummins engines, offering detailed data and troubleshooting capabilities. It allows for real-time monitoring of engine performance, providing insights into potential issues before they become major problems. 

Detroit Diesel Diagnostic Link: The Detroit Diesel Diagnostic Link is tailored for Detroit engines, providing diagnostics, fault code interpretation, and parameter adjustments. It facilitates comprehensive engine analysis, ensuring precise detection and resolution of issues. 

Navistar Engine Diagnostic System: The Navistar engine diagnostic system is specifically designed for diagnosing and servicing Navistar engines. It offers in-depth engine data, code reading, and active testing functionalities. 

International Service Maxx: International Service Maxx is a diagnostic tool specifically for International trucks, offering detailed engine data and diagnostic capabilities. It provides essential information for troubleshooting and maintaining International engines. 

CAT Electronic Technician: CAT Electronic Technician is a diagnostic software for Caterpillar engines, providing comprehensive data analysis and troubleshooting. It offers detailed insights into engine performance and health, crucial for maintaining Caterpillar engine efficiency. 

Paccar ESA: Paccar ESA (Electronic Service Analyst) offers specialized diagnostic capabilities for Paccar engines and vehicles. It allows for detailed engine diagnostics and system checks, ensuring that Paccar engines and related systems operate at their best. 

Common Electrical Repairs 

Starting Issues: If the truck is having trouble starting or doesn't start at all, it could be a sign of a failing battery, alternator, or starter motor. These components are critical for the truck's electrical system, and any malfunction can lead to starting difficulties.

Dimming or Flickering Lights: Dimming or flickering headlights, interior lights, or dashboard lights often indicate a problem with the truck's electrical system. This could be due to a failing alternator, poor battery performance, or loose electrical connections.

Unusual Electrical Behavior: Strange behavior such as the radio, HVAC system, or other electrical components turning off unexpectedly, or behaving erratically, can signal an issue with the electrical system. This might be due to short circuits, wiring issues, or malfunctioning electrical components.

Frequent Battery Drain: If the truck's battery is frequently drained or needs regular jump-starts, it might indicate a problem with the charging system, which could include the alternator or related components.

Warning Lights on Dashboard: Modern heavy-duty trucks are equipped with sophisticated diagnostic systems. Warning lights or error messages on the dashboard, especially those related to the battery or electrical system (like the battery light or engine check light), are clear indicators that the electrical system needs to be checked and possibly repaired.

Areas We Service

At General Diesel, located in North Charleston, SC, we're proud to extend our expert services beyond our city's bounds. Our skilled team passionately caters to the diverse needs of diesel vehicles throughout Charleston, Dorchester, and Berkeley counties. With a commitment to excellence, we bring unparalleled diesel repair and maintenance to these communities, ensuring every heavy-duty and medium-duty truck performs at its peak, no matter the location.

Book An Appointment Today

Whether it's advanced troubleshooting, intricate wiring repairs, or system upgrades, General Diesel’s mechanics bring precision and expertise to every task. We understand the importance of minimizing downtime and maximizing performance. Trust us to deliver solutions that keep your trucks in top electrical health. Contact us today to secure the reliable and efficient functioning of your fleet’s electrical systems.

Trusted Heavy-Duty Truck Repair Services

For reliable heavy-duty truck repair services in North Charleston, SC, get in touch with General Diesel today to keep your trucks safe and compliant. Whether it's advanced troubleshooting, intricate wiring repairs, or system upgrades, General Diesel’s mechanics bring precision and expertise to every task. We understand the importance of minimizing downtime and maximizing performance.

Our Diesel Mechanic Services

For comprehensive heavy-duty diesel mechanic services in North Charleston, SC, trust General Diesel team to keep your heavy-duty truck running at peak performance. Our ASC-certified mechanics provide a wide range of services, from advanced diagnostics and specialized transmission care, to DOT inspections and RV & bus repairs. Get in touch with General Diesel today and take advantage of a full spectrum of services to meet all your diesel truck needs.

Customer Testimonials

"Nothing but great things to say about Aaron and his company. We always receive the best care with our daycare buses. Communication is always easy and we will continue to use them as long as we possibly can!"

Wonderful Beginnings

"Aaron, thank you for taking the time to help me with my Freightliner Classic. You and Ryan went above and beyond what’s excepted of a service center!"


"I have been taking my truck to these guys since I purchased it 3 years ago and they always do a fantastic job they do not sale your parts or perform work you do not need they will take you into the shop and show you exactly what's going on and they get the job done right every time. Thanks for all you do to keep my truck running right big shout out to Aaron good guy."


"Been dealing with these guys for a few years and no matter what's the issue they find the problem and get it right, the staff is always nice and easy to work with."


"Fantastic service and customer service. The technicians are very knowledgeable in their field as a Diesel Mechanic. The parts department is just as great. If part is not on hand, the parts department can get it in timely manner."


"I work for a company with 5 diesel vehicles. aaron and the crew at general diesel keep our trucks moving. great communication and always satisfied."


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