![]() ![]() View live data: with this information, you can view the vehicle’s PID (parameter identification data) such as STFT (short-term fuel trim) or LTFT (long-term fuel trim) in real-time. Review freeze frame data: by displaying the snapshots of parameters value when the DTCs were set, this helps you get to the problem’s main culprit.Ĥ. You can have your vehicle checked via this function to make sure the emission control system is ready for the smog test. Pre-test smog check: this is usually written as I/M readiness in the product’s description. Type #1: Code reader A code reader is equipped with basic functions such as reading and clearing engine codes, I/M readiness, etc.Ģ. Just try to match your needs with what a scan tool can do, you will know what is right for you. So to make it simple, I will list all the features of the 6 scan tool types in an everyday language. When it comes to a code reader’s functions, people keep saying about mode 6 or mode 8, and other complicated things, making it difficult to understand, especially for a newbie. Now, you know exactly who you are, let’s move to the next question! Which type of OBD2 scanner do you REALLY need?Īll scan tools are classified into 6 types: code reader, full OBD2 scanner, four-system scan tool, full-system scan tool, bi-directional scan tool, and scan tool with ECU programming. As a mechanic, you can take Autel MS908CV or Autel MS906CV into consideration since they are popular and designed for this group of vehicles. Here is the list of professional scan tools that you can refer to.Ī scan tool for heavy-duty trucks is different from the one for cars/light trucks. ![]() ![]() But if what you want is to upgrade your old scan tool but don’t know which one, this guide is still right for you. If you are a mechanic who is in charge of cars/light trucks, then working with a scan tool may be a familiar job. Read more: 9 Best Heavy-duty Truck Scanners and Software 2023: What Nobody Told You Before? – It must work on Class 4 – Class 8 trucks. – It must support one of these standard protocols: J1587, J1939 and J1708. Remember that if this is you, here are 2 criteria you should notice in a heavy-duty scanner: Read more: 8 Best Professional Automotive Diagnostic Scanners 2023 Īs an owner of a truck or more, what you need is a basic scan tool to read error codes before having them fixed by the mechanics. Therefore, the scanner you are looking for has to offer advanced functions to meet your expectations. When it comes to transmission-related issues or other complex problems, if you still can handle them, then you are obviously an experienced enthusiast. Read more: The 9 Best OBD2 Scanners for 2023 : Never Buy A Scan Tool Before Reading This Review You can call yourself a home mechanic if you can do some minor repairs, such as replacing an air filter or an O2 sensor. That’s why you should have a scan tool on your own to get an insight into the issue before taking your vehicle to the shops. You are a newbie if you get ripped off by the mechanics quite often as you don’t know whether all the problems given really exist in their car. There are 6 typical groups of scan tool users: Newbies, home mechanics, experienced enthusiasts, heavy-duty truck owners, car/light truck mechanics, and heavy-duty truck mechanics. Who are you? Different scan tool types serve different groups of users. This section will help you figure out the ideal type for you from the 6 types of scan tools. ![]() You cannot pick “the best” if you don’t know who you are and what you want. So let’s get started with the infographic first!īecause there is not enough room for everything in this infographic, please check my detailed buying guide below. I hope that once fulfilling all these 5 steps, you can choose the best-matched OBD2 scanner for your own. Buying a suitable scan tool is never an easy job, no matter if you are a professional or a newbie who has never bought one before.Īnd that is the reason why I came up with this 5-step buying guide based on my own experience. ![]()
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