5 Ways To Use A Tech 2 Scanner For Gm

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The Tech 2 scanner is a powerful diagnostic tool designed specifically for General Motors (GM) vehicles. This device is used by professional mechanics and DIY enthusiasts alike to diagnose and repair a wide range of issues with GM vehicles. In this article, we'll explore five ways to use a Tech 2 scanner for GM vehicles, highlighting the benefits and capabilities of this versatile tool.

Understanding the Tech 2 Scanner

Before we dive into the five ways to use a Tech 2 scanner, let's take a brief look at what this device is and how it works. The Tech 2 scanner is a handheld device that connects to a GM vehicle's onboard computer system (OBD-II) via a special cable. Once connected, the Tech 2 scanner can access a wide range of data, including engine performance, transmission, brakes, and other vital systems.

1. Diagnosing Fault Codes

One of the most common uses for a Tech 2 scanner is to diagnose fault codes stored in a GM vehicle's onboard computer. When a fault occurs, the onboard computer stores a code that corresponds to the specific problem. The Tech 2 scanner can retrieve these codes, allowing you to identify the issue and take corrective action.

To diagnose fault codes with a Tech 2 scanner, simply connect the device to the vehicle's OBD-II port, select the "Diagnostics" menu, and choose the type of fault code you want to retrieve (e.g., engine, transmission, etc.). The Tech 2 scanner will then display a list of fault codes, along with a brief description of each.

2. Real-Time Data Monitoring

Another valuable feature of the Tech 2 scanner is its ability to monitor real-time data from a GM vehicle's onboard computer. This allows you to view vital system data, such as engine speed, fuel injector pulse width, and transmission gear position, in real-time.

To access real-time data with a Tech 2 scanner, connect the device to the vehicle's OBD-II port, select the "Real-Time Data" menu, and choose the type of data you want to view. The Tech 2 scanner will then display a graphical representation of the data, allowing you to monitor system performance in real-time.

3. Programming and Calibration

The Tech 2 scanner can also be used to program and calibrate various systems in a GM vehicle. This includes updating engine control module (ECM) software, reprogramming transmission shift points, and calibrating vehicle speed sensors.

To access programming and calibration features with a Tech 2 scanner, connect the device to the vehicle's OBD-II port, select the "Programming and Calibration" menu, and choose the type of programming or calibration you want to perform. The Tech 2 scanner will then guide you through the process, step-by-step.

4. Bi-Directional Control

The Tech 2 scanner offers bi-directional control, allowing you to control various vehicle systems remotely. This includes operating the fuel pump, activating the windshield wipers, and cycling the transmission through its gear ranges.

To access bi-directional control features with a Tech 2 scanner, connect the device to the vehicle's OBD-II port, select the "Bi-Directional Control" menu, and choose the system you want to control. The Tech 2 scanner will then allow you to operate the system remotely, using the device's control buttons.

5. System Testing

Finally, the Tech 2 scanner can be used to perform system testing, allowing you to isolate and diagnose problems with various vehicle systems. This includes testing the fuel system, transmission, and brakes, among others.

To access system testing features with a Tech 2 scanner, connect the device to the vehicle's OBD-II port, select the "System Testing" menu, and choose the system you want to test. The Tech 2 scanner will then guide you through the testing process, providing detailed results and recommendations for repair.

Conclusion

In conclusion, the Tech 2 scanner is a powerful and versatile diagnostic tool designed specifically for GM vehicles. With its ability to diagnose fault codes, monitor real-time data, program and calibrate systems, perform bi-directional control, and conduct system testing, this device is an essential tool for any mechanic or DIY enthusiast working with GM vehicles. By understanding the capabilities and features of the Tech 2 scanner, you can unlock the full potential of this device and take your diagnostic and repair skills to the next level.

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