Top 10 Scan Tool Features
Top 10 Scan Tool Features
Your Next Scan Tool Needs These Features!
As a professional mechanic, having the right diagnostic scan tool can make or break your workflow. Whether you're tackling complex ECU issues or performing routine checks, the features of your scan tool directly influence your efficiency, accuracy, and overall success.
In this blog, we'll explore 10 must-have features that your next diagnostic scan tool should include. These features, listed in no particular order, represent the cutting edge of technology and functionality for mechanics in today’s fast-paced automotive world. To illustrate these points, we’ll use the ThinkTool 399, the latest flagship model from ThinkTool.
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ThinkTool 399 boasts a sleek design, and is packed with features!
#1 Feature: Comprehensive Diagnostics
When investing in a diagnostic scan tool, its primary function is, of course, diagnostics. As a professional mechanic, this is the bread and butter of your daily tasks—whether it’s identifying the cause of a persistent engine management light, resolving electrical issues like a malfunctioning rear window, or uncovering deeper faults within the vehicle’s systems.
One of the most crucial aspects of any diagnostic tool is its coverage. The more vehicles and systems your tool supports, the more versatile and effective it becomes. The ThinkTool 399 excels in this area, offering an extensive list of supported vehicles, including both standard passenger cars and heavy-duty vehicles like trucks and tractors. This makes it an excellent choice for mechanics who work on diverse vehicle types, including 24-volt systems often found in commercial vehicles.
Extensive Module Access: Access and diagnose all vehicle modules, such as engine, body, climate control, and transmission systems, for a complete diagnostic experience.
High-Speed Scanning: Quickly identify fault codes and retrieve live data in just seconds, saving valuable time during inspections.
Advanced Visualization: Graph and record critical parameters like air mass, accelerator position, and fuel pressure. This feature is especially useful for road tests, allowing mechanics to review data later for precise analysis.
A feature-packed tool like the ThinkTool 399, combined with the in-depth training offered in our Diagnostic Coach Program, ensures that you're not just relying on technology but enhancing your diagnostic process with expert knowledge. Whether you're a seasoned mechanic or looking to refine your skills, investing in both the right tools and training will set you apart in today's competitive automotive industry.
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The ThinkTool 399 stands out with its ability to cover a broad range of vehicles including Heavy Duty Commercial Vehicles.
#2 Feature: Component Activation
A crucial feature for any diagnostic scan tool is component activation, enabling mechanics to directly control and test various vehicle systems and components. This function verifies the performance of control units and ensures circuits are connected and functioning as intended. Key capabilities include:
Driving Critical Components: Activate fuel pumps, EGR valves, window motors, and other components to confirm their operation.
Advanced Actuation Tests: Perform tests like turning off injectors during engine operation for precise diagnostics or activating electric fans to evaluate functionality.
Vehicle-Specific Tests: Access features dependent on the vehicle's make and model, such as testing power windows, seat heating, and central locking systems.
Paired with tools like oscilloscopes or multimeters, this feature allows you to measure outputs while performing activation tests. Using a split-screen display, you can monitor real-time readings while activating a component, providing a comprehensive understanding of system performance. This combination makes component activation a powerful tool for precise and efficient diagnostics.
The ThinkTool 399 has split-screen display, enabling real-time monitoring of component performance alongside test activation.
#3 Feature: Maintenance/Service Functions
Maintenance features or service functions are critical tools for any workshop, providing the ability to perform essential tasks before and after repairs. While not strictly diagnostic, these features support the repair process by enabling calibrations, resets, and preparations for component replacements.
For instance, after replacing a battery, you'll often need to perform a calibration to ensure proper functionality. Similarly, tasks like retracting brake calipers or setting air suspension into service mode are necessary steps before certain repairs.
Advanced diagnostic tools offer manufacturer-level maintenance features, accessible through diagnostic pages or dedicated maintenance sections. These include service resets, tire pressure monitoring system (TPMS) resets, and battery replacements, all vital for day-to-day operations. Many tools also group commonly used features for quick access, saving time in busy workshops.
Having access to these manufacturer-specific functions ensures that technicians can complete repairs effectively without being hindered by missing features. Whether resetting transport mode or accessing a comprehensive list of service options, these tools are invaluable for maintaining a seamless workflow and delivering reliable results.
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#4 Feature: Programming
Programming involves updating or configuring a vehicle's modules with new or revised software. This ensures that the vehicle runs on the most up-to-date settings, enhancing performance and resolving known issues. Professional scan tools often support dealership-level programming, where program files are downloaded directly from the manufacturer's server and installed into the vehicle.
Not all scan tools offer the same level of programming. Here are the main types:
Coding: Configuring modules to match the vehicle’s specifications, such as identifying if it’s a two-door coupe or a four-door sedan.
Personalization: Customizing features like automatic door locking or lighting preferences.
Retrofitting: Updating the system when adding new components, like a tow bar.
Module Reprogramming: Updating the software in specific modules, such as the engine control module (ECM) or ABS, to fix bugs or improve performance.
Key Features of a Programming-Capable Tool
Selective Module Programming: Some tools allow technicians to program only the required modules, saving time. Others, like dealership tools, may require all related modules to be updated simultaneously.
Special Functions: Many tools integrate post-programming procedures, such as calibrating sensors or performing resets, all in one place.
Backup and Recovery: Features to safeguard and restore module settings if something goes wrong during programming.
Workshops equipped with programming tools can handle advanced repairs, offer better service, and avoid outsourcing tasks that require specialized equipment. Programming isn’t without risks. A failed update can render a module—or even the entire vehicle—inoperable. So it’s vital to always adhere to the specific requirements for the vehicle and module you're working on.
Maintaining a stable voltage (100 amps minimum) during programming is crucial to avoid interruptions.
#5 Feature: Remote Diagnostics
Remote diagnostics is a game-changing feature that allows technicians to connect with experts or businesses equipped with dealership-level tools. This feature saves workshops from the expense and hassle of purchasing multiple proprietary systems. Here are some of the benefits of remote diagnostics:
Access to Expert Support: Connect with authorized vendors who specialize in dealership-level diagnostics and programming.
Cost Savings: Avoid investing in a variety of dealer-specific tools by using one advanced scan tool.
Wide Range of Capabilities: Perform tasks such as:
Online programming and retrofitting (e.g., tow bars).
Tire pressure monitoring and battery management.
Anti-theft matching and module initialization.
Simplified Process: Easily select vendors based on their specialties and set up an invoice for their services after work completion.
Enhanced Troubleshooting: Quickly resolve issues that require dealership-level diagnostics, reducing downtime and improving efficiency.
Remote diagnostics is a critical feature for workshops aiming to expand their services without a massive investment in tools. Whether you need dealership-level programming or expert technical support, remote diagnostics ensures you’re always equipped to handle complex jobs effectively.
Watch our YouTube video: Avoid Problem Jobs with ThinkLink Remote Diagnostics & Programming
Vendors often list their specialties, making it easy to find the right expertise for your needs.
#6 Feature: ADAS
Advanced Driver Assistance Systems (ADAS) are now a standard feature in most vehicles, ranging from basic functionalities like automatic high beam assist and lane departure warnings to more advanced systems enabling semi-autonomous driving. Proper calibration and maintenance of these systems are critical to ensure they function correctly and safely.
Critical Need for Proper Calibration
Ensures accurate functionality and avoids customer complaints or system malfunctions.
Essential after repairs involving ADAS components.
Equipment Requirements
Static calibration often requires additional ADAS-specific equipment not included with most diagnostic tools.
The ThinkCar diagnostic tool is compatible with ThinkCar ADAS equipment for such calibrations.
Dynamic vs. Static Calibration
Static Calibration: Involves setting up specialized equipment and performing adjustments in a controlled environment.
Dynamic Calibration: Simpler and more accessible; performed by initiating the process on the scan tool and driving the vehicle while it calibrates itself on the road.
ADAS calibration is an essential skill for modern technicians. While some scenarios may require additional equipment, tools like the ThinkCar diagnostic system simplify dynamic calibrations, allowing for seamless and accurate adjustments. Incorporating ADAS functionality into your diagnostic workflow ensures customer safety and satisfaction.
Calibrating ADAS often requires additional equipment, particularly for static calibrations performed in controlled environments.
#7 Feature: Secure Gateway
The evolution of vehicles into sophisticated, computer-like systems holding personal data has brought about the need for advanced security features. Secure Gateway plays a critical role in safeguarding vehicle systems and ensuring that diagnostic tools can access essential vehicle functions. Here's why it should be a priority for your next scan tool.
Increased Vehicle Connectivity: Modern cars hold personal data and can be accessed remotely, making them vulnerable to unauthorized access and theft.
Role of Secure Gateway: Secure Gateway prevents unauthorized access to vehicle control units and is essential for tasks like pairing new parts to vehicles and performing diagnostics.
Challenges Without Secure Gateway: Without Secure Gateway access, basic tasks such as resetting service lights and advanced functions like programming and calibrations become more difficult or impossible.
Current Coverage by ThinkTool: ThinkTool currently supports Secure Gateway for brands like Fiat, Renault, and Dacia, with plans to expand to major brands such as Mercedes, BMW, and Volkswagen Group.
Remote Diagnostics as a Solution: If you lack Secure Gateway access, remote diagnostics can provide an alternative by allowing professionals with the necessary access to perform procedures on your behalf.
Purchasing Tips: Always buy diagnostic tools from authorized dealers to ensure access to Secure Gateway features, as ‘grey import’ market tools may lack this functionality.
As vehicles become more connected, the need for Secure Gateway technology grows. It is an essential feature for ensuring secure and effective vehicle diagnostics. With expanding tool support and options like remote diagnostics, you'll be prepared to handle modern vehicle repair challenges. Just remember to purchase your tools from trusted sources to ensure you have access to these critical features.
Secure Gateway now covers Fiat, Renault, and Dacia, with more brands like Mercedes, BMW, and VW coming soon.
#8 Feature: EV Pack Diagnostics
Electric and hybrid vehicles are rapidly growing in popularity, and their presence in workshops is inevitable. To stay ahead in the automotive industry, investing in EV pack diagnostics is crucial for future-proofing your business and ensuring you can effectively service these vehicles.
EV Market Growth: The sales of electric and hybrid vehicles are increasing year by year, making it essential for workshops to be prepared for servicing them.
Importance of Training: Investing in EV-related training will equip technicians with the necessary skills to handle complex battery systems safely and efficiently.
Battery Pack Diagnostics: The ThinkTool 399 includes battery pack diagnostics, allowing technicians to access critical data through diagnostic connectors or low-voltage connectors directly on the battery.
Key Diagnostic Features:
Overview of battery cell performance, including highest and lowest values.
Monitoring of cell voltages during driving or charging to diagnose range or charging issues.
Temperature readings for individual cells and modules to detect potential overheating problems.
Grouped EV-related data for easier access, such as contactor status, current flow, and voltage details.
State of health (SOH) and state of charge (SOC) readings (if supported by the vehicle) for assessing battery lifespan and capacity, crucial for used vehicle inspections.
User-Friendly Interface: The system organizes all relevant high-voltage data in one place, eliminating the need to search through multiple diagnostic menus.
Investing in a scan tool with comprehensive EV pack diagnostics ensures your workshop is ready to handle the increasing demand while providing accurate and efficient services. We have a whole training course about Electric Vehicles inside the Diagnostics Coach training subscription. Plus lots more diagnostics training courses included!
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With the rising adoption of electric vehicles, having the right diagnostic tools is no longer optional—it's a necessity.
#9 Feature: Fault Guidance
Modern scan tools offer guided fault finding, a powerful feature that helps mechanics diagnose vehicle issues systematically. This feature provides step-by-step diagnostic guidance based on stored fault codes, making troubleshooting easier and more efficient. Here’s why it should be a key consideration when choosing a scan tool. Here are some key points:
Structured Diagnostic Process: Guided fault finding provides a clear, step-by-step approach based on fault codes, helping mechanics follow a logical diagnostic path.
Potential Pitfalls: While helpful, the feature may sometimes suggest replacing parts unnecessarily, requiring users to verify findings manually.
Time-Saving Benefits: It helps identify faults that may be overlooked, performing certain module functions automatically to resolve issues.
Tool Compatibility: Access to guided fault finding may require an active subscription, as some functions need to be downloaded from the server.
Integration with Other Resources: Tools like Haynes Pro can supplement fault guidance by providing additional repair bulletins and technical data.
Hands-On Testing Still Needed: Despite automated guidance, physical inspections, wiring checks, and component testing remain essential for accurate diagnosis.
Guided fault finding enhances diagnostic efficiency by providing structured troubleshooting and automated solutions, making it an essential feature for modern scan tools. However, mechanics should complement it with manual verification to ensure precise and reliable vehicle repairs.
Fault Guidance helps mechanics follow a step-by-step diagnostic plan based on fault codes, streamlining troubleshooting and repairs.
#10 Feature: Artificial Intelligence
Artificial intelligence (AI) is making its way into diagnostic scan tools, offering new possibilities for troubleshooting vehicle issues. While AI has made significant advancements in various industries, its full potential in automotive diagnostics is still evolving. Here’s what you need to know about AI-powered diagnostics and why it’s worth considering for your next scan tool:
Emerging Technology: AI can process vast amounts of data, offering potential solutions and suggestions based on known faults and repair trends. However, it’s not yet fully capable of replacing core diagnostic skills.
Current Limitations: In real-world scenarios, AI may provide generic troubleshooting steps or suggest basic actions, such as resetting warning lights, rather than offering deep diagnostic insights.
Comparison with Search Tools: AI, like ChatGPT, can retrieve information quickly, but it relies on available data, meaning unknown or unique faults may still require traditional diagnostic approaches.
Potential Benefits: As AI continues to develop, it could streamline diagnostics by providing quicker access to repair procedures and known fixes, reducing research time for common issues.
The Importance of Human Expertise: Despite AI’s capabilities, mechanics still need to rely on their skills with tools like multimeters and oscilloscopes to confirm and validate diagnostic results.
As the technology continues to evolve, keeping an eye on its development will be crucial for staying ahead in the automotive repair industry. Mechanics should view AI as a helpful tool that can support—but not replace—traditional diagnostic skills. Hence, investing in your skills through structured training, such as the FIXDIT course in our Diagnostic Coach Program, ensures that you're equipped with the right knowledge and techniques to confidently diagnose and repair vehicles—no matter how advanced technology becomes.
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While AI-powered diagnostics show promise for enhancing troubleshooting, they are not yet a replacement for hands-on expertise.
