10 Best Auto Scan Tools 2025 in the United States

The Ancel AD310 OBD II Scanner is a popular choice for diagnosing car engine faults, recommended by well-known auto mechanic Scotty Kilmer. It excels in compatibility, supporting all major OBD2 protocols and working with a wide range of vehicles from 1996 onwards, including various US, EU, and Asian models.

Functionality-wise, it reads and clears error codes quickly, provides live data, and displays freeze frame information, making it a useful tool for both car owners and mechanics. The user interface is straightforward with clearly labeled buttons and a large, easy-to-read screen, although the display resolution is relatively basic at 128x64 pixels. Connectivity is reliable as it draws power directly from the car’s OBDII port, eliminating the need for batteries or chargers.

The build quality is robust, with a thick, flexible cable and a compact, lightweight design that makes it easy to handle and transport. Despite its strengths, it’s important to note that the AD310 is primarily a basic code reader and may not meet the needs of users looking for more advanced diagnostic tools. Those who need a simple, reliable scanner to check and clear error codes will find it a worthwhile investment.

The BlueDriver Bluetooth Pro OBDII Scan Tool is a solid choice for everyday car owners looking to diagnose vehicle issues without the hassle of traditional scan tools. One of its biggest strengths is its user-friendly interface, which connects seamlessly via Bluetooth to your smartphone or tablet, eliminating wires and making it easy to use. The comprehensive functionality allows users to read and clear a wide range of trouble codes, including those for ABS, Airbag, and TPMS, providing access to diagnostic information typically reserved for professional mechanics.

A key feature is the ability to get unlimited repair reports that suggest possible causes and fixes, along with live data monitoring while driving. This aspect can be particularly helpful for those who want to understand their vehicle’s health in real time. The app also includes access to a rich database of repair videos, making repairs more approachable for those without extensive automotive knowledge.

While BlueDriver works effectively with all gas vehicles from 1996 onward, it does not support diesel vehicles or hybrids, which may limit its usability for some users. Additionally, the reliance on Bluetooth means that you need a compatible smartphone, which might not appeal to all. The build quality is decent, but some users might find it less durable compared to more robust, professional-grade tools. The absence of subscription fees is a significant advantage, making it cost-effective for users who might be wary of ongoing expenses.

The FIXD Bluetooth OBD2 Scanner is designed to help car owners diagnose and fix a wide range of car issues, potentially saving them significant money on unnecessary repairs. It is compatible with most gas-powered cars from 1996 and diesel cars from 2006 onwards, making it a versatile tool for a broad range of vehicles. The device plugs into the car's OBD2 port and connects wirelessly to a smartphone app available on both iOS and Android, providing real-time diagnostic reports and maintenance alerts.

Users can understand over 7,000 car issues including engine, transmission, and ABS problems, and even clear check engine lights through the app. This makes it ideal for DIY enthusiasts and those looking to avoid frequent trips to the mechanic. The app also helps track routine maintenance, ensuring users keep up with their vehicle's health, and can be particularly useful when buying a used car by checking for hidden issues. The device is compact and easy to use, and it does not require a battery, drawing power directly from the car.

One potential drawback is that the full range of features, such as expert mechanic advice and repair cost estimates, requires a subscription to FIXD Premium after a two-week free trial. Additionally, while the app interface is user-friendly, reliance on a smartphone means it may not be as useful for those who prefer not to use mobile apps. However, for tech-savvy users looking for an affordable and comprehensive car diagnostic tool, the FIXD OBD2 scanner offers a strong combination of functionality and convenience.