Autel OBD2 Scanner: How to Use Like a Pro

An Autel OBD2 scanner is a powerful tool that can help you unlock a wealth of information about your car. Whether you’re a seasoned mechanic or a car enthusiast, understanding how to use an Autel scanner can significantly improve your car maintenance experience. This comprehensive guide will walk you through everything you need to know about using an Autel OBD2 scanner, from understanding its basic functions to interpreting those complex diagnostic codes.

Autel OBD2 Scanner Connected to a Car’s OBD2 Port

Getting Started with Your Autel OBD2 Scanner

Before diving into the specifics, let’s address the most fundamental question:

What is an Autel OBD2 Scanner?

An Autel OBD2 scanner is a handheld device that connects to your car’s OBD2 port, typically located under the dashboard on the driver’s side. It acts as a communication bridge between your car’s computer and you, allowing you to access and understand the data stored within.

This data can range from simple information like your Vehicle Identification Number (VIN) to more complex diagnostics like engine performance metrics and error codes. Autel is renowned for producing high-quality, user-friendly OBD2 scanners suitable for both professionals and DIYers.

Connecting Your Scanner

Connecting your Autel scanner is straightforward:

Locate your car’s OBD2 port. It’s usually under the dashboard on the driver’s side.
Turn your car’s ignition to the “on” position but don’t start the engine.
Plug the Autel scanner into the OBD2 port. The scanner should power on automatically.
Follow the on-screen prompts. You might need to input some basic information about your vehicle, like the make, model, and year.

Once connected, you’re ready to delve into the world of car diagnostics!

Autel OBD2 Scanner Displaying Diagnostic Menu

Understanding the Basics: Reading and Clearing Codes

One of the most common uses of an Autel OBD2 scanner is to read and clear error codes, also known as Diagnostic Trouble Codes (DTCs).

Reading Codes: Deciphering Your Car’s Language

When your car’s check engine light turns on, it’s signaling that there’s a potential problem. Your Autel scanner can read the specific codes stored in your car’s computer, giving you insight into the issue.

To read codes:

Navigate to the “Read Codes” or “Diagnostics” section on your scanner.
Select “Read” to retrieve the codes.
The scanner will display the DTCs. Each code consists of a letter and four numbers, like “P0301.”

Don’t panic at the sight of these codes! Your Autel scanner, or the accompanying user manual, usually provides a brief description of each code. You can also easily find detailed information about specific codes online.

Clearing Codes: A Temporary Fix?

Once you’ve addressed the underlying issue indicated by a DTC, you can clear the code using your Autel scanner.

Important Note: Clearing codes doesn’t magically fix the problem. It simply erases the code from the car’s memory. If the underlying issue persists, the code will likely reappear.

To clear codes:

Navigate to the “Clear Codes” or “Erase” function.
Confirm your choice to clear the codes.

It’s advisable to note down the codes before clearing them, just in case you need to refer to them later.

Beyond the Basics: Exploring Advanced Features

Autel OBD2 scanners, particularly the more advanced models, offer a suite of features beyond basic code reading and clearing.

Live Data: Monitoring Your Car in Real-Time

Live data provides a dynamic view of your car’s performance by displaying various sensor readings in real time. This can be incredibly helpful for diagnosing intermittent issues that might not trigger a check engine light.

With live data, you can monitor parameters like:

Engine RPM
Vehicle Speed
Coolant Temperature
Oxygen Sensor Readings
Fuel Pressure
And much more!

By observing these readings, you can gain valuable insights into your engine’s health, transmission performance, and other crucial systems.

Special Functions: Accessing Manufacturer-Specific Features

Many Autel scanners offer “special functions,” which can access manufacturer-specific features and diagnostics. These functions can vary depending on the make and model of your vehicle and the specific Autel scanner you’re using.

Some common special functions include:

ABS (Anti-lock Brake System) Bleeding: Allows you to cycle the ABS valves for brake fluid bleeding.
TPMS (Tire Pressure Monitoring System) Reset: Resets the TPMS after tire rotation or sensor replacement.
SAS (Steering Angle Sensor) Calibration: Calibrates the steering angle sensor after wheel alignment.
Battery Registration: Registers a new battery with the vehicle’s computer.

Accessing and utilizing these special functions can save you trips to the mechanic for routine maintenance tasks.

Autel OBD2 Scanner Showing Live Data Graphs

Choosing the Right Autel OBD2 Scanner

Autel offers a wide range of OBD2 scanners with varying features and price points. Choosing the right one depends on your individual needs and budget.

Basic Scanners: Affordable options that are ideal for reading and clearing codes, viewing live data for essential parameters, and performing basic diagnostics.
Mid-Range Scanners: Offer more advanced features like live data graphing, additional special functions, and broader vehicle compatibility.
Professional-Grade Scanners: Packed with features, including comprehensive diagnostics, extensive special functions, bi-directional control capabilities, and access to manufacturer-specific information.

Consider what you want to achieve with your OBD2 scanner and choose the one that best aligns with your requirements.

Autel OBD2 Scanners: Empowering Car Owners

Owning an Autel OBD2 scanner is akin to having a personal mechanic at your fingertips. It empowers you to take control of your car maintenance, diagnose issues effectively, and potentially save on costly mechanic bills.

By understanding how to use your Autel scanner effectively, you can unlock a deeper understanding of your vehicle’s health and performance.

Frequently Asked Questions

1. Are Autel OBD2 scanners compatible with all car makes and models?

Autel offers scanners with varying compatibility ranges. While some support a wide array of vehicles, others might be more specialized. Always check the product specifications to ensure compatibility with your car before purchasing.

2. Can I update my Autel OBD2 scanner?

Yes, Autel regularly releases software updates for their scanners, adding new features, improving compatibility, and fixing bugs. Most scanners can be updated via a computer connection.

3. What is bi-directional control, and do I need it?

Bi-directional control allows you to not only read data but also send commands to your car’s various systems for testing and diagnostics. This feature is typically found in more advanced scanners and is mainly used by professional mechanics.

4. Can I use an Autel OBD2 scanner to program a new key fob?

Some Autel scanners, especially those with advanced functionalities, might offer key fob programming capabilities. However, this feature is not available on all models.

5. What should I do if my Autel OBD2 scanner is not connecting to my car?

First, ensure that the scanner is properly plugged into the OBD2 port and that your car’s ignition is in the “on” position. If it still doesn’t connect, there might be a compatibility issue, or the OBD2 port itself might have a problem. Consulting your car’s manual or contacting Autel support can be helpful in such cases.

Need Further Assistance?

For personalized support and expert advice on Autel OBD2 scanners, contact our dedicated team via:

WhatsApp: +1(641)206-8880
Email: [email protected]

Our knowledgeable representatives are available 24/7 to assist you with all your car diagnostic needs.