While a basic OBD2 code reader may not be enough to diagnose a car’s ABS light, it can help you troubleshoot the system of a car. And, of course, it has a diagnostic report to help you understand what is wrong with your car. Its battery has been upgraded from 4000mAh to 6100mAh in 2021, which provides longer time between charges. Connecting to Wi-Fi allows you to update its software at any time. It includes automatic VIN technology and a battery voltage tester. It supports more than 57 car brands and has Bluetooth capabilities. It is important to remember that cheaper models often lack diagnostic capabilities that more expensive models have.īlueDriver is a good example of such a scan tool. When choosing a scan tool, consider the features and price of different models. Some even graph the waveforms of sensor signals. Some scan tools can display data in a graph, which makes it easier to compare data from different sensors. In this article, we will cover a few of the best features of the various scan tools and discuss why you should consider buying more than one.Ī good scan tool will have a large screen, color graphics, and an advanced menu that lets you choose what parameters to analyze. Consumer-grade scan tools are more affordable but still have limitations. These tools are costly and typically only used by auto technicians and car enthusiasts with small fleets. More advanced models include built-in testing equipment and diagnostic instructions. Getting a good reading from a scan toolĪ scan tool provides a basic interface to the onboard computer in your car. This way, you won’t be left scrambling for parts. If you know where to look for it, you can easily determine the problem and correct it. Sometimes, a DTC will just indicate that a sensor circuit is out of range, or it may be a malfunction in the emission control system. It will tell you whether your car needs repairs or replacement.Ī DTC is not always indicative of a serious problem. If you know the general category of trouble codes, you can diagnose the cause of the issue. Some are manufacturer-specific, while others are SAE-specific. There are several general categories of OBD-II trouble codes, and you can read them by yourself or take your vehicle to a mechanic for diagnosis. A full engine vacuum is a symptom of an improperly idled engine. A Saab 9-3 Aero has the P2187 code, meaning that it has a faulty breather valve. This error code is associated with a faulty breather valve and indicates a poorly idled engine. Diagnostic tools must read both types to diagnose the fault.Īnother general OBD-II trouble code is P2187, or System Too Lean at Idle. Some faults will set a P1 code, but not others. Generic codes are the same for every make and model, while enhanced codes vary by vehicle manufacturer and must be replaced or updated when the vehicle reaches the next model year. There are generic “P0” codes, which are generic and applicable to all cars, and enhanced codes that are specific to a particular make and model of vehicle. OBD-II trouble codes are broken down into two main categories. There are some generalized codes and some that are specific to a specific make and model of vehicle. Each trouble code indicates a system that needs to be repaired or replaced. While many fault codes are manufacturer-specific, they can also apply to a variety of makes and models. OBD-II trouble codes are not specific to a certain make or model of vehicleĪn OBD-II trouble code is a four-digit code that describes a particular problem with a car. Interested customers can visit one of the 5,700 stores that offer the service, or use a store locator to find the closest location. Its technicians will diagnose the problem and recommend a repair at no charge.ĪutoZone stores have the technology to diagnose and repair most problems for free during business hours. The fix finder program can read your warning lights in less than a minute, and it can read any warning light, including ABS, check engine, and maintenance lights. This report will tell you which repairs are needed, as well as what to do about the problem. The free service includes a scan of your car’s system for trouble codes.ĪutoZone employees will read your codes and present you with a report that details the problems that may be causing your light to stay on. If you have a check engine light on your vehicle, you may want to try the free diagnostic service offered by AutoZone stores. Also, we’ll touch on some other tips and tricks you may want to know. In this article, we will talk about how to use a scan tool to get a good reading and how to clear trouble codes. While these trouble codes are not specific to a particular model or make, they are often a good place to start your diagnostic process. AutoZone stores offer fix finder codes for a variety of vehicle models.
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