A GM Tech 2 scanner is a diagnostic tool used by General Motors technicians to troubleshoot and repair vehicles. It is a handheld device that connects to the vehicle’s computer system and allows the technician to read and clear diagnostic trouble codes, view live data, and perform other diagnostic tests.

The GM Tech 2 scanner is an important tool for GM technicians because it allows them to quickly and accurately diagnose and repair vehicles. It can also be used to update the vehicle’s software and to program new keys. The GM Tech 2 scanner was first introduced in the early 1990s and has been used on GM vehicles ever since. It has been updated over the years to keep up with the latest advances in vehicle technology.

In addition to its use by GM technicians, the GM Tech 2 scanner is also popular with do-it-yourselfers who want to diagnose and repair their own vehicles. There are a number of aftermarket GM Tech 2 scanners available, which can be purchased online or at auto parts stores.

1. Diagnostic tool

A diagnostic tool is a device used to troubleshoot and repair problems with a machine or system. In the context of the GM Tech 2 scanner, it is a handheld device that connects to the vehicle’s computer system and allows the technician to read and clear diagnostic trouble codes, view live data, and perform other diagnostic tests.

• Components

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  The GM Tech 2 scanner consists of a handheld unit, a cable that connects to the vehicle’s diagnostic port, and software that runs on the handheld unit. The handheld unit typically has a display screen, a keypad, and a number of buttons that are used to navigate the software and perform diagnostic tests.

• Examples

  The GM Tech 2 scanner is one of a number of diagnostic tools that are used by GM technicians to troubleshoot and repair vehicles. Other examples of diagnostic tools include scan tools, multimeters, and oscilloscopes.

• Implications

  The GM Tech 2 scanner is an essential tool for GM technicians because it allows them to quickly and accurately diagnose and repair vehicles. It can also be used to update the vehicle’s software and to program new keys.

In summary, the GM Tech 2 scanner is a diagnostic tool that is used by GM technicians to troubleshoot and repair vehicles. It is a handheld device that connects to the vehicle’s computer system and allows the technician to read and clear diagnostic trouble codes, view live data, and perform other diagnostic tests.

2. Handheld device

A handheld device is a small, portable computing device that can be held in one hand. It typically features a touchscreen display, a keypad or buttons for input, and a variety of sensors and connectivity options. Handheld devices are often used for personal or business purposes, and they can run a variety of software applications, including productivity tools, games, and educational apps.

• Portability

  One of the key advantages of a handheld device is its portability. It can be easily carried around in a pocket or bag, making it ideal for use on the go. This makes it a popular choice for people who need to access information or perform tasks while they are away from their desk.

• Versatility

  Handheld devices are also very versatile. They can be used for a wide range of tasks, from checking email and browsing the web to playing games and watching videos. This makes them a great choice for people who want a single device that can meet all of their needs.

• Affordability

  Handheld devices are also relatively affordable, making them a good option for people on a budget. There are a variety of handheld devices available at different price points, so it is easy to find one that fits your needs and budget.

In the context of the GM Tech 2 scanner, the handheld device form factor is essential for its portability and ease of use. The scanner is designed to be used in a variety of settings, including on the road or in the shop, and the handheld design makes it easy to carry around and use in tight spaces.

3. Connects to vehicle’s computer system

The GM Tech 2 scanner connects to the vehicle’s computer system via a diagnostic port, typically located under the dashboard. Once connected, the scanner can communicate with the vehicle’s computer and access a variety of data and functions.

This connection is essential for the GM Tech 2 scanner to perform its diagnostic and repair functions. Without the ability to connect to the vehicle’s computer system, the scanner would not be able to read and clear diagnostic trouble codes, view live data, or perform other diagnostic tests.

In addition to its diagnostic functions, the GM Tech 2 scanner can also be used to update the vehicle’s software and to program new keys. This requires a secure connection to the vehicle’s computer system to ensure that the updates and programming are performed correctly.

Overall, the ability to connect to the vehicle’s computer system is a critical feature of the GM Tech 2 scanner. This connection allows the scanner to perform a wide range of diagnostic and repair functions, and it is essential for keeping GM vehicles running smoothly and efficiently.

4. Reads and clears diagnostic trouble codes

The GM Tech 2 scanner is a diagnostic tool used by GM technicians and mechanics to read and clear diagnostic trouble codes (DTCs) from a vehicle’s computer system. DTCs are codes that are stored in the vehicle’s computer when a problem is detected. They can provide valuable information about the nature of the problem and help technicians to diagnose and repair the vehicle.

The GM Tech 2 scanner is able to read and clear DTCs from a wide range of GM vehicles, including cars, trucks, and SUVs. It can also be used to view live data from the vehicle’s sensors and to perform other diagnostic tests. This makes it an essential tool for GM technicians and mechanics.

In addition to its use in professional settings, the GM Tech 2 scanner can also be used by do-it-yourselfers who want to diagnose and repair their own vehicles. However, it is important to note that the GM Tech 2 scanner is a complex tool and it is important to have a basic understanding of automotive diagnostics before using it.

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Overall, the ability to read and clear diagnostic trouble codes is a critical feature of the GM Tech 2 scanner. This feature allows technicians and mechanics to quickly and accurately diagnose and repair GM vehicles. It is also a valuable tool for do-it-yourselfers who want to maintain and repair their own vehicles.

5. Views live data

The GM Tech 2 scanner is a diagnostic tool that allows technicians to view live data from a vehicle’s sensors and modules. This data can be used to diagnose problems, monitor the vehicle’s performance, and identify potential issues before they become major problems.

Live data is an important part of the diagnostic process because it provides a real-time view of the vehicle’s operation. This can help technicians to identify problems that may not be evident during a static inspection. For example, a technician may use live data to monitor the engine’s performance while the vehicle is running on the road. This can help to identify problems such as misfires, fuel injector issues, and sensor malfunctions.

Live data can also be used to monitor the vehicle’s performance over time. This can help technicians to identify trends and patterns that may indicate potential problems. For example, a technician may use live data to track the vehicle’s fuel economy over time. This can help to identify problems such as clogged fuel filters, faulty oxygen sensors, and tire pressure issues.

The ability to view live data is a critical feature of the GM Tech 2 scanner. This feature provides technicians with a valuable tool for diagnosing and repairing vehicles. It can also be used to monitor the vehicle’s performance over time and identify potential problems before they become major issues.

FAQs about GM Tech 2 Scanner

The GM Tech 2 scanner is a diagnostic tool used by GM technicians and mechanics to troubleshoot and repair vehicles. It is a handheld device that connects to the vehicle’s computer system and allows the technician to read and clear diagnostic trouble codes, view live data, and perform other diagnostic tests.

Question 1: What is a GM Tech 2 scanner used for?

Answer: A GM Tech 2 scanner is used to diagnose and repair GM vehicles. It can read and clear diagnostic trouble codes, view live data, and perform other diagnostic tests.

Question 2: What are the benefits of using a GM Tech 2 scanner?

Answer: Using a GM Tech 2 scanner can help technicians to diagnose and repair vehicles more quickly and accurately. It can also be used to update the vehicle’s software and to program new keys.

Question 3: How do I use a GM Tech 2 scanner?

Answer: To use a GM Tech 2 scanner, you will need to connect it to the vehicle’s diagnostic port. Once connected, you can use the scanner to read and clear diagnostic trouble codes, view live data, and perform other diagnostic tests.

Question 4: Where can I buy a GM Tech 2 scanner?

Answer: You can purchase a GM Tech 2 scanner from a variety of sources, including online retailers and automotive parts stores.

Question 5: How much does a GM Tech 2 scanner cost?

Answer: The cost of a GM Tech 2 scanner can vary depending on the model and features. However, you can expect to pay between $500 and $1,000 for a basic scanner.

Question 6: Do I need to be a mechanic to use a GM Tech 2 scanner?

Answer: No, you do not need to be a mechanic to use a GM Tech 2 scanner. However, it is important to have a basic understanding of automotive diagnostics before using the scanner.

Summary: The GM Tech 2 scanner is a valuable tool for diagnosing and repairing GM vehicles. It is easy to use and can save you time and money by helping you to identify and fix problems quickly and accurately.

Transition to the next article section: For more information on the GM Tech 2 scanner, please consult the user manual or visit the GM website.

Tips for Using a GM Tech 2 Scanner

The GM Tech 2 scanner is a powerful diagnostic tool that can be used to troubleshoot and repair a wide range of GM vehicles. However, it is important to use the scanner correctly in order to get the most accurate results.

Tip 1: Always connect the scanner to the vehicle’s diagnostic port before turning on the ignition.

Tip 2: Make sure that the vehicle’s battery is fully charged before connecting the scanner.

Tip 3: Do not disconnect the scanner from the vehicle while it is running.

Tip 4: If you are unfamiliar with using a GM Tech 2 scanner, it is best to consult the user manual or seek the assistance of a qualified technician.

Tip 5: Keep the scanner software up to date to ensure that you have access to the latest diagnostic codes and procedures.

Tip 6: Use the scanner to perform regular diagnostic scans on your vehicle to identify potential problems before they become major issues.

Tip 7: If you are experiencing any problems with your GM Tech 2 scanner, contact the manufacturer for technical support.

Tip 8: Store the scanner in a safe and dry place when not in use.

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By following these tips, you can ensure that you are using your GM Tech 2 scanner correctly and getting the most accurate results.

Summary: The GM Tech 2 scanner is a valuable tool for diagnosing and repairing GM vehicles. By following these tips, you can ensure that you are using the scanner correctly and getting the most accurate results.

Transition to the article’s conclusion: For more information on the GM Tech 2 scanner, please consult the user manual or visit the GM website.

Conclusion

The GM Tech 2 scanner is a powerful diagnostic tool that can be used to troubleshoot and repair a wide range of GM vehicles. It is an essential tool for GM technicians and mechanics, and it can also be used by do-it-yourselfers who want to maintain and repair their own vehicles.

The GM Tech 2 scanner can read and clear diagnostic trouble codes, view live data, and perform other diagnostic tests. This information can be used to identify problems with the vehicle’s engine, transmission, brakes, and other systems. The scanner can also be used to update the vehicle’s software and to program new keys.

If you are a GM vehicle owner, a GM Tech 2 scanner is a valuable tool that can help you to keep your vehicle running smoothly and efficiently. By following the tips in this article, you can ensure that you are using the scanner correctly and getting the most accurate results.