For Subaru owners and technicians, having the right diagnostic scanner is crucial for maintaining the legendary reliability of these vehicles. From reading a simple check engine light to performing advanced system resets, a capable scanner can save significant time and money. This roundup reviews ten of the best tools on the market, ranging from user-friendly Bluetooth adapters to professional-grade diagnostic tablets.
Whether you’re a DIY enthusiast looking to understand your Outback’s warnings or a professional shop servicing the latest Ascent, there’s an ideal scanner here for your needs and budget. We compare features like bidirectional control, system coverage, and special reset functions to help you make an informed decision for your Subaru.
Our Recommended Subaru Diagnostic Scanners
- BlueDriver Bluetooth Pro OBDII Scan Tool
- Autel Scanner MaxiCOM MK808S
- Thinkdiag2 All System Bidirectional OBD2 Scanner
- OBD2 Scanner Diagnostic Tool XTOOL IP508S
- FOXWELL NT301 OBD2 Scanner Live Data
- FOXWELL NT630 Plus OBD2 Scanner with ABS and SRS
- iCarsoft CR Pro+ 2025 All System Diagnostic Scan Tool
- Thinkdiag OBD2 Scanner Bluetooth Full System
- Innova 5610 OBD2 Bidirectional Scan Tool
- Launch CRP129X OBD2 Scanner
BlueDriver Bluetooth Pro OBDII Scan Tool
The BlueDriver is a powerful and user-friendly scanner that turns your smartphone into a professional-grade diagnostic tool. It connects via Bluetooth and provides access to enhanced diagnostics beyond basic engine codes, including ABS, SRS airbag, and TPMS systems. Its major benefit is the included repair reports, which suggest possible causes and fixes for identified trouble codes.
You can view live data streams and graphs while driving, allowing for real-time monitoring of your Subaru’s sensors. With no subscription fees and support for over 7000 potential issues on vehicles from 1996 onward, it offers excellent value. This tool is ideal for Subaru owners who want detailed, actionable information without the complexity of a standalone tablet scanner.
Autel Scanner MaxiCOM MK808S
The Autel MK808S is a 2025-released, professional-grade diagnostic tablet that brings dealership-level functionality to independent shops and serious DIYers. It features true bidirectional control, allowing you to send commands to vehicle systems for active testing of components like windows, mirrors, and wipers. This scanner supports all-system diagnostics on a wide range of vehicles, providing deep access to modules.
It stands out with its 28+ popular reset and service functions, including oil reset, SAS calibration, ABS bleeding, and injector coding. The built-in Wi-Fi printing and regular updates ensure it stays current with new models. For Subaru technicians needing a robust, all-in-one tool with extensive service capabilities, the MK808S is a top contender.
Thinkdiag2 All System Bidirectional OBD2 Scanner
The Thinkdiag2 is a cost-effective, wireless diagnostic tool that offers impressive power for its price. It connects via Bluetooth to your iOS or Android device and provides full-system diagnostics, bidirectional control, and over 15 maintenance reset functions. A key advantage is its support for the CAN-FD protocol, which is necessary for diagnosing newer GM and other vehicles from 2019 onward.
This scanner can read and clear fault codes, view live data, and perform active tests to check actuators. It also includes FCA AutoAuth to unlock secured gateways on certain Chrysler, Dodge, and Jeep vehicles. For Subaru owners who also work on other brands and want a future-proof, app-based scanner with professional features, the Thinkdiag2 presents strong value.
OBD2 Scanner Diagnostic Tool XTOOL IP508S
The XTOOL IP508S is a dedicated handheld scanner built on an Android 10 platform, designed for comprehensive diagnostics and key resets. It focuses on the four main systems—engine, transmission, ABS, and SRS—providing thorough code reading, live data, and freeze frame access. Its standout feature is the collection of 15 reset services, including oil reset, ABS bleeding, SAS calibration, and even crank sensor relearn.
This tool also supports the CAN-FD protocol for newer vehicles, making it a versatile choice. It performs full OBD2 functions, including I/M readiness tests, and is built for regular use in a garage environment. The XTOOL IP508S is a solid mid-range option for those who prefer a standalone tablet with physical buttons and a focus on essential diagnostic and reset functions for Subarus and other makes.
FOXWELL NT301 OBD2 Scanner Live Data
The FOXWELL NT301 is a straightforward, reliable code reader focused on the essentials. It is designed to quickly read and clear check engine light codes, view live data with graphing capability, and perform emissions readiness tests. Its simplicity makes it an excellent choice for Subaru owners who primarily need to address basic engine-related warnings.
It’s important to note that the NT301 does not scan ABS, SRS, or other advanced systems, nor does it offer special reset functions. Its strength lies in its ease of use, accurate code reading, and durable construction. For a budget-friendly tool that handles the most common diagnostic task—understanding the check engine light—the NT301 is a proven and popular option.
FOXWELL NT630 Plus OBD2 Scanner with ABS and SRS
The FOXWELL NT630 Plus is a specialized diagnostic tool that builds upon basic code reading by adding in-depth ABS and SRS system diagnostics. It can read and clear codes from these critical safety systems, display live data like wheel speed sensor readings, and perform bidirectional tests on ABS components. A key function is its ABS brake bleed procedure, which can help restore a firm brake pedal after certain repairs.
This scanner provides pro-grade insights into brake and airbag systems, which are often inaccessible to basic code readers. It includes live data graphing for these systems to help spot issues. For Subaru owners concerned with maintaining their vehicle’s active safety systems, the NT630 Plus offers targeted functionality at a reasonable price point.
iCarsoft CR Pro+ 2025 All System Diagnostic Scan Tool
The iCarsoft CR Pro+ is a comprehensive bidirectional scanner packed with an extensive suite of service functions. It boasts an impressive 49 reset services plus 46 brand-specific services and ECU coding for certain European makes. This tool is built for professional use, offering OEM-level active testing across more than just the four basic systems.
With its powerful processor and deep system access, it can perform complex bidirectional controls and read real-time data from a vast number of vehicle modules. The scanner is designed to help technicians quickly locate faults to avoid unnecessary part replacements. For a professional workshop that services Subarus alongside many other brands and requires a high number of specific reset capabilities, the CR Pro+ is a formidable tool.
Thinkdiag OBD2 Scanner Bluetooth Full System
The original Thinkdiag is a powerful Bluetooth-based scanner that provides full-system diagnostics and over 15 advanced reset functions. It connects to your smartphone or tablet to deliver OE-level scanning capabilities for systems like ECM, SRS, ABS, and TPMS. The reset services include oil light reset, ABS bleeding, injector coding, and SAS calibration, which are valuable for routine Subaru maintenance.
An interesting feature is its potential function activation, allowing you to match replaced components with the ECU or adjust certain vehicle settings on supported models. With coverage for over 120 brands and a full year of free updates, it offers substantial capability for both DIYers and professional mechanics looking for a wireless diagnostic solution.
Innova 5610 OBD2 Bidirectional Scan Tool
The Innova 5610 is a user-friendly bidirectional scan tool designed to help you pinpoint problems and complete repairs. It provides enhanced data streams for systems like ABS, SRS, transmission, and engine, giving you access to live OEM-level data. The special reset function allows you to perform certain dealership-level relearn procedures on supported vehicles.
Its bidirectional controls let you send commands to test components like the fuel pump or electronic parking brake. Backed by US-based technical support and included updates, the Innova 5610 is a good choice for the advanced DIYer or home mechanic who wants more control and data than a basic code reader offers, all in a familiar handheld format.
Launch CRP129X OBD2 Scanner
Launch is a respected name in professional diagnostics, and the CRP129X model is a capable scanner offering full-system diagnostics. While specific details for this model are to be confirmed, Launch tools typically provide reliable code reading and clearing across all vehicle systems, including engine, transmission, ABS, and SRS. They often include live data viewing and may offer various special functions.
Launch scanners are known for their robust construction and accurate diagnostics, making them a common sight in repair shops. For those seeking a dependable, brand-name diagnostic tool with comprehensive system coverage for their Subaru, the Launch CRP129X is a product line worth serious consideration alongside the other tools in this roundup.
Buying Guide: How to Choose the Best Subaru Scanner
As someone who’s spent a lot of time under the hood of my own Subarus, I know that picking the right scanner isn’t just about finding the cheapest tool. It’s about getting one that speaks your car’s language. The wrong choice can leave you staring at a generic code with no real answers. So, let’s talk about what actually matters when you’re looking for one of the best Subaru scanners.
First and foremost, you need to think about compatibility. This is the big one. Subarus use a specific protocol, and not all generic OBD2 scanners can access all the modules. For basic engine codes on any car from 1996 onward, a simple reader works. But if you want to talk to the transmission, airbags, ABS, or the all-wheel-drive system, you need a scanner that specifically lists Subaru compatibility. Check the manufacturer’s website for your exact model and year.
Next, consider the functionality you need. Are you just clearing a check engine light, or do you want to view live data streams? Maybe you need to perform active tests or recalibrate a throttle body after cleaning it. Basic code readers are affordable. Professional-grade scan tools with bi-directional control cost more but offer much deeper access. For most DIYers, a mid-range scanner that can read and clear codes across all systems and show live data is the sweet spot.
Finally, look at the user experience. A clunky menu on a tiny screen is frustrating. I prefer tools with clear, well-organized menus and a responsive interface. Some now connect to your smartphone or tablet via Wi-Fi or Bluetooth, using a much larger, nicer screen. Others have their own dedicated display. Think about where you’ll use it—a built-in screen is better for the driveway, while a phone-based app might be fine in the garage. By weighing compatibility, desired functions, and ease of use, you can cut through the noise and find a tool that’s truly helpful for your 10 best Subaru scanners review & comparison.
FAQ
What’s the difference between a generic OBD2 scanner and a Subaru-specific one?
A generic OBD2 scanner is required by law to access basic emissions-related engine codes (P0xxx, P2xxx) on any car made since 1996. It can usually read and clear that check engine light. A Subaru-specific scanner, or a high-end professional tool, can communicate with all the other computers in your car. This means it can read codes from the transmission, ABS, airbag, body control, and AWD modules. For anything more serious than a simple oxygen sensor code, you’ll likely need the deeper access.
Will these scanners work on my older Subaru like a GC8 Impreza or an SVX?
It depends on the model year. For US-market cars, 1996 is the OBD2 mandate year. Any scanner will work on 1996 and newer models for basic engine codes. For pre-1996 Subarus, they use an older OBD1 system. You typically need a special adapter cable and different software, or a dedicated legacy tool. Always double-check the scanner’s supported year range before buying for a classic car.
Can I use a scanner to reprogram keys or adjust my alignment?
Generally, no. While advanced bi-directional scanners can perform some “relearn” procedures (like throttle body or idle relearn), they are not the same as a dealer-level reprogramming tool. Tasks like programming new key fobs, flashing the ECU with new software, or performing advanced module coding require specialized, often expensive, factory-level tools like Subaru’s SSM.
I have a check engine light for a catalytic converter. Can a scanner tell me if it’s definitely bad?
A scanner can give you strong clues, but it can’t look inside the pipe. It can show you the data from the upstream and downstream oxygen sensors. If the downstream sensor is mimicking the upstream one, the cat isn’t doing its job. You can also monitor the sensor data while driving to see if it’s within spec. However, a physical inspection for damage or a backpressure test is often needed for a final diagnosis.
Are Bluetooth/Wi-Fi scanners that use my phone as good as dedicated handheld units?
They can be excellent, but it depends on the app and adapter. The phone provides a fantastic display. The limitation is usually the software (app) and the quality of the Bluetooth dongle. A cheap, generic dongle with a free app might only read basic codes. A higher-quality dongle paired with a powerful, paid app (like OBD Fusion, Torque Pro) can offer near-professional-level data and functions. Dedicated units are often more rugged and have all-in-one convenience.