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5 Best Diagnostic Test Tools of 2026

Last Updated - 2026/02/03

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TOPDON

OBD2 Scanner TOPDON ArtiDiag600S V2.0, Scan Tool with 9 Reset Service, Upgrade of AD500S/AD600S, Code Reader for ABS/SRS/Engine/Trans, FCA AutoAuth, Lifetime Free Update, Auto VIN, Battery Test, CANFD

TOPDON

CA$299.99

More Details
Main highlights
- Unmatched Compatibility Across Canadian Vehicles: This TOPDON diagnostic OBD2 code reader works on most US-based cars since 1996, EU-based cars after 2000, and Asian-based cars after 2008, it comes with a 1-year wa rranty for product quality issues. The product supports 10 languages for user convenience. OBDII-equipped vehicles built after 2002, and it works on more than 67+ Vehicle Brands (10,000+ models). It supports Diesel (12v only), gasoline, 12V passenger car, pickup, light-duty truck, SUV, Minivans, compatible with All Major Protocols: OBD2/EOBD/JOBD&CAN/CAN FD. *Menus vary by make, model, and year of gasoline or diesel engine vehicle
- Smart AutoVIN Scanner Built for Canada: This TOPDON scan tool features automatic VIN technology for easy car identification. It displays live data in text or waveform graph formats, allowing for easy analysis and sharing of inspection reports. The built-in "Feedback" module provides repair suggestions, and the onboard DTC library saves time in interpreting error codes. AutoVIN may not work on all cars
- Professional-Grade Diagnostics for Home & Pro Mechanics: This TOPDON OBD2 scanner is designed for home mechanics, DIYers, and professionals. It can access fault codes for AT/ENG/ABS/SRS systems and offers 10 OBD2 test modes for emission-related issues. Ideal for Canadian car owners tackling emission tests & preventative repairs
- Please Note: if you want to return this scan tool, please kindly mark it [unsellable] to avoid an used one is sent to other customers by Amazon. Really appreciate your cooperation. Thanks
- Organized Diagnostics for Canadian Users: ArtiFolder saves diagnostic reports & records for a quick test, fault code reading, and data stream reading. Diagnostic reports can be shared and printed via Email for further analysis and future reference. DTC library stored massive information about the specified fault code which does you a big hand for vehicle diagnostic. Simplify Code Analysis & Maintenance Records for Any Vehicle
- Free Lifetime Updates for Canadian Drivers: the touch-sensitive screen and clear icons make operation easy. The 5" color screen with high resolution ensures clear result interpretation even in dark garages. Lifetime free updates over Wi-Fi keep the software current. Android 11.0 ensures lightning-fast bootup and processing
- All-in-One Reset Tool for Canadian Vehicles: TOPDON AD600S OBD2 Scanner offers new reset functions like Oil/BMS/ABS Bleeding/SAS/EPB/DPF/TPMS/Throttle/Injector. Say goodbye to costly trips to the repair shop for resetting after routine maintenance such as changing oil, replacing tires, or installing new brake pads
- 24/7 Canadian Tech Support Backed by 1-Year Wa rranty: TOPDON offers customers free lifetime software update and 1-year wa rranty, ensuring full utilization of product features. Stuck with a diagnostic challenge? Send your report to TOPDON, where our skilled tech team and customer service representatives are available 24/7 to troubleshoot and guide you through
CA$299.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ANCEL

Ancel HD100 Heavy Duty Truck Scanner with DPF Regen for Cummins & CAT Engines, Bluetooth Diesel Diagnostic Tool with All-System Scan, HDOBD & OBD2 Code Reader for Semi Trucks, Lifetime Free Updates

ANCEL

CA$299.99

More Details
Main highlights
- 【WIRELESS TRUCK DIAGNOSTIC – FAST CONTROL FROM YOUR PHONE】Go fully wireless with Bluetooth pairing to your iPhone or Android. This advanced diesel scanner diagnostic tool eliminates cables and lets you run diagnostics directly in the ANCEL Trucker App. Read/clear codes, view live data, and check system status with quick response. It's the ideal truck scanner for roadside checks, fleet yards, and mobile tech work
- 【TAKE CONTROL OF DPF PROBLEMS & SAVE THOUSANDS】Restore performance when soot levels rise. The HD100, a dedicated dpf regeneration scanner, supports DPF regen, reset and cleaning-related code management on compatible Cummins and Caterpillar engines. Access the DPF menu through your phone and follow clear steps to run the procedure—a compact scan tool with dpf regeneration for drivers and technicians needing fast, reliable maintenance
- 【SMALL TOOL, BIG DIESEL POWER – Bluetooth DPF & Full-System Diagnostics】The ANCEL HD100 packs the capability of a heavy duty truck scanner into a compact Bluetooth device designed for diesel trucks. It supports DPF regeneration, diesel engine/ABS/transmission all system diagnostics, live data, fault code reading/clearing, voltage checks, and full OBD2 functions. Plug the rugged 9-pin or 16-pin connector into your truck, connect through your phone, and access real-time diesel data and system status within seconds for efficient, portable maintenance
- 【BUILT TOUGH FOR REAL TRUCKERS - LIFETIME FREE UPDATES INCLUDED】The secure 9-pin lock-ring connector ensures stable communication, making the ANCEL heavy duty truck scanner reliable even on vibration-prone trucks. The ANCEL Trucker App offers clear menus and fast pairing, backed by lifetime free software updates. This heavy duty scanner is built for long-term reliability, giving you lasting confidence without hidden fees
- 【ALL-SYSTEMS DIAGNOSTIC SCANNER – ENGINE, ABS, TRANSMISSION & MORE】This ANCEL HD100 diesel scan tool provides mechanic-level diagnostics for Freightliner, Paccar, Kenworth, Peterbilt, International, Volvo, Mack, Western Star, semi trucks, and buses. Read and clear codes for engine (Cummins, Caterpillar, Detroit, Paccar), ABS, and transmission (Allison, Bendix, Eaton, Wabco, ZF). Supports SAE J1939, SAE J1708, SAE J1850 PWM, SAE J1850 VPW, ISO 14230-4, ISO 9141-2, ISO 15765-4, ISO 27145-4 standard protocols
- 【2-IN-1 OBD2 + DIESEL SCANNER – PERFECT FOR TRUCKS & CARS】Use it as both a semi-truck diagnostic tool and a standard OBD2 scanner. In addition to reading and clearing fault codes, it lets you view live data, access ECU and vehicle information, and supports advanced functions like freeze frame, I/M readiness, on-board monitor test, and more. The built-in DTC Lookup helps you quickly understand fault code definitions and troubleshoot with confidence—making it an essential tool for comprehensive vehicle maintenance across diesel trucks
- PLEASE NOTE: If you encounter any quality issues or notice signs of use upon receiving your product, please e-m ail us at toptool-service@outlook.com with your order number and photos. We will gladly provide FREE replacements to ensure your satisfaction. Also includes 1-click feedback, professional tech support, 30-day return policy, and a full 1-year warranty
CA$299.99
3
20% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ANCEL
20% Off

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Tool (Black)

ANCEL

CA$39.99

CA$50.00
(20% Off)

More Details
Main highlights
- Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed device with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
- OBDII Protocols and Car Compatibility: Many cheap devices do not really support all OBD2 protocols. This is not the case with the AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Check compatibility with your vehicle model before purchasing.
- Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
- CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the car accessories market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information. Instead of taking car to mechanic shop, you can use it to check the trouble code and show code definition by yourself.
- Accurate Fast & Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble codes in seconds. If you want to find out the cause of the check engine light, this device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
CA$39.99
CA$50.00 (20% Off)
4
Best Value
40% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

MOTOPOWER
40% Off

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

MOTOPOWER

CA$29.99

CA$49.99
(40% Off)

More Details
Main highlights
- Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
- Screen Protecting Film - There’s a transparent screen protecting film on the screen surface. If any scratches on the film, just tear off the screen protecting film. If any more problem on the screen, just contact our customer service for replacement directly.
- Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
- Connection Guide - Plug the scanner into the OBDII port on your car, turn on the ignition and then press the OK button to make the connection. To view the live data, please start the engine. If connection failure, please contact motopower directly for assistance.
- Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit and buttons that quick query VIN vehicle number& the DTC fault code.
- ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
- 2.8" LCD Display - Designed with a clear display 2.8" Large LCD screen - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
CA$29.99
CA$49.99 (40% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BlueDriver

BlueDriver Bluetooth Pro OBDII Scan Tool for iPhone & Android - No Subscription Fee - OBD2 Car Scanner and Code Reader - Diagnose Check Engine, ABS, SRS, Airbag & 7000+ Issues on Vehicles 1996+

BlueDriver

CA$119.95

More Details
Main highlights
- [Zero Subscription Fees or Add-ons] - One purchase gets you everything you need with no in-app fees or add-ons.
- [Works with All Gas Vehicles 1996+] - BlueDriver is compatible with all gas-powered vehicles made in 1996 or newer. Get advanced diagnostics (ABS, Airbag, SRS, and TPMS) for GM, Ford, Chrysler, Toyota, Nissan, Mazda, Subaru, Mitsubishi, Hyundai, Mercedes, BMW, Honda, and VW. See chart below for more details.
- [Wireless & Bluetooth Enabled] - Say goodbye to wires. BlueDriver connects with Bluetooth via your phone/tablet to a sensor that plugs into your car's OBDII port. Get all of the capabilities of an expensive code reader & scan tool without any annoying wires.
- [User-Friendly App and Repair Videos] - BlueDriver gives you more ways to scan and fix your vehicle. Our iOS & Android app connects you to a large database of repair videos with step-by-step directions of repairs.
- [Unmatched Support] - With 24/7 professional support BlueDriver is there for you anytime, anywhere. Get in touch with our highly trained technicians whenever you need them by phone or the in-app chat.
- [Read & Clear The Codes] - BlueDriver's enhanced vehicle diagnostics gives you access to information normally available only to mechanics on their OBD2 scan tools. Now you can read and clear ABS, Airbag, SRS, TPMS codes, and many more.
- [Pro OBD2 Scanner] - BlueDriver is the easiest way to scan and understand your vehicle like a professional mechanic. Read and clear your car’s trouble codes and check engine light.
- [Get The Right Fix & View Live Data] - Much more than a car code reader, BlueDriver is a diagnostic tool. You’ll get unlimited repair reports with possible causes and fixes, plus real-time health monitoring while you drive with the live data feature.
CA$119.95

5 Best Diagnostic Test Tools of 2026

OBD2 Scanner TOPDON ArtiDiag600S V2.0, Scan Tool with 9 Reset Service, Upgrade of AD500S/AD600S, Code Reader for ABS/SRS/Engine/Trans, FCA AutoAuth, Lifetime Free Update, Auto VIN, Battery Test, CANFD

Ancel HD100 Heavy Duty Truck Scanner with DPF Regen for Cummins & CAT Engines, Bluetooth Diesel Diagnostic Tool with All-System Scan, HDOBD & OBD2 Code Reader for Semi Trucks, Lifetime Free Updates

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Tool (Black)

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

BlueDriver Bluetooth Pro OBDII Scan Tool for iPhone & Android - No Subscription Fee - OBD2 Car Scanner and Code Reader - Diagnose Check Engine, ABS, SRS, Airbag & 7000+ Issues on Vehicles 1996+

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ZMOON ZM201 Professional OBD2 Scanner Diagnostic Tool, Enhanced Check Engine Code Reader with Reset OBDII/EOBD Car Diagnostic Scan Tools for All Vehicles After 1996, 2026 Upgraded

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