The 8 Best auto diagnostic tools of 2025

Are you trying to find auto diagnostic tools among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling auto diagnostic tools on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 24 hours of research and did 36 auto diagnostic tools tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

No. 1

52HZ OBD2 Scanner Diagnostic Tool, Professional...

No. 2

HUMZOR NC610 OBD2 Scanner，Car/Heavy Duty Truck...

SaleNo. 3

OBD2 Scanner TOPDON AD500, Oil SAS Throttle TPMS...

The best auto diagnostic tools you can buy today

No. 1

52HZ OBD2 Scanner Diagnostic Tool, Professional Auto Check Engine Code Reader with Reset & Mode 6 & Mode 8 & 35,901 DTCs, Enhanced OBDII/EOBD Car Diagnostic Scan Tool for All Vehicles After 1996

🚗 Elevate Your Car Diagnostics with Speed and Precision: This advanced OBD2 scan tool can provide comprehensive OBD2 functions. Effortlessly read and clear codes, check I/M readiness, capture freeze frame data, retrieve your vehicle's VIN, evaluate EVAP systems, and access live data streams with graph displays. Built-in 35,901 DTCs, O2 sensor tests, onboard monitoring, and component assessments. Keep your vehicle's health in check, saving you both time and money on unnecessary repairs.
🖨️ Seamlessly Print and Stay Upgraded for Life: Our OBD2 scanner brings cutting-edge features to your fingertips. Review data streams and replay DTCs with ease, and take advantage of the convenient printing function. Connect the scanner to your Windows computer and effortlessly print fault data, arming you with the information you need to dodge surprise costs at auto repair shops. Enjoy a lifetime of free upgrades, ensuring you're always equipped with the latest features and enhancements.
🌈 Vibrant 2.8” Display & Intuitive New User Interface: Experience optimal clarity on our 2.8-inch color screen. Tailor your experience with dark or light modes and adjust brightness to your liking. The revamped user interface is designed for simplicity, making it the ideal choice for beginners and experts alike. Effortlessly navigate setup, OBDII diagnostics, I/M readiness, and DTC search and check. Our intuitive UI guides you step by step, creating a seamless and stress-fr-ee journey.
⚡ Swift Hot-Keys for Effortless Navigation: Simplify your experience with our car check engine code reader's 3 quick-access hot-keys. The "F2" key swiftly displays I/M readiness status, perfect for s-mog checks. Tap "F1" to instantly read current fault codes and pinpoint issues. When you're done, the "EXIT" key smoothly returns or exits the menu. Crafted for home mechanics, DIYers, dealers, novices, and auto repair shops, these hot-keys make every operation a breeze.
🔌 Plug & Play for Real-Time Updates: Forget about batteries and chargers. Our OBD2 scanner seamlessly connects to your vehicle's OBD2 interface, keeping you informed about your car's health around the clock. The vehicle code reader's visual indicator light offers at-a-glance insights: red for faults, yellow for incompatibilities, and green for successful connections. Stay in the loop without the hassle.
🌎 Universal Compatibility & Multilingual Support: Compatible with 9 protocols post-1996 in the USA, 2002 in the EU, and 2008 in Asia, our car diagnostic scanner is your versatile companion. Note that it isn't suitable for new energy or hybrid vehicles outside the OBD2 protocol. The OBD2 scanner supports 10 languages, including English, German, Dutch, Spanish, French, Italian, Russian, Chinese, Japanese, and Portuguese. If you're uncertain about compatibility, we're here to assist on Amazon.
✅ No-Hassle Returns and Extended 3-Year Replacement: Your satisfaction is our priority, backed by a 60-day return policy for complete peace of mind. If you're not entirely satisfied, we gladly offer full refunds. Plus, our industry-leading 3-year replacement service guarantees years of confident use. Have questions? Reach out to us for swift and effective solutions. Also, enjoy the added convenience of a Type-C cable to connect the OBD2 scanner tool to your computer, streamlining diagnostics.

No. 2

FIXD Bluetooth OBD2 Scanner for Car - Car Code Readers & Scan Tools for iPhone & Android - Wireless OBD2 Auto Diagnostic Tool to Check Engine & Fix All Cars & Vehicles ‘96 or Newer (1 Pack)

Save $1000s on unnecessary car repairs – Know exactly what’s wrong with your car and what it will cost to fix it before heading to the shop. FIXD helps you avoid costly trips to the mechanic by diagnosing over 7,000 issues, including engine trouble, transmission, ABS, and more.
Detect 7,000+ car issues with FIXD OBD2 Scanner – Get real-time diagnostic reports and maintenance alerts. FIXD plugs into your car’s OBD2 port and pairs with the free FIXD mobile app (available on iOS and Android).
Guaranteed to work with your car – FIXD works with practically all gas-powered cars from 1996 onward, and all diesel cars from 2006 onward, giving you peace of mind no matter what you drive.
Automatically tracks routine maintenance – The app notifies you when it’s time to change your oil, tire tread, and battery, and stay up to date on your vehicle’s specific maintenance schedule.
Ensure you’re getting the best deal on a used car – FIXD helps you avoid buying a lemon by scanning the vehicle for hidden issues before you make a purchase. Know the true condition of the car, so you can negotiate a fair price and buy with confidence.
Clear your check engine light with ease – FIXD allows you to clear the CEL directly from the app once the problem is resolved. This means fewer trips to the mechanic and the peace of mind of knowing what’s happening under the hood. Perfect for DIYers who want to fix issues themselves and save on repair costs.
Great for gifting to friends and family – FIXD is the perfect gift for anyone who owns a car, offering peace of mind, cost savings, and easy-to-use technology that’s ideal for both new and experienced car owners.
Try FIXD Premium for free! – Access expert advice any time with our on-call team of mechanics, gain confidence before going to the shop with our data-driven repair cost estimates, and more, all backed by ASE-certified mechanics. Free two week trial of FIXD Premium included with every app install.

SaleNo. 3

AUTOPHIX OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Check Engine Light for All OBDII Car After 1996[Upgrade Version]

➤【POWERFUL FEATURES】 Built-in 14 special functions in 1 car reader, read and erase stored emission related codes, pending codes, and show code definitions, data steam, freeze frame, on-board monitoring, and show the vehicle information,I/M reading,review the recorded DTC,review & print report. Support O2 sensor and EVAP system test, let you initiate a leak test for the vehicle’s EVAP system, identify trouble shooting related to fuel efficiency and vehicle emissions.
➤【CHECKING CAR ENGINE TOOL】 The OM126P Enhanced OBDII scanner can read and erase the trouble codes that can cause emission problems in your vehicle in seconds, turn off the MIL (check your car engine) and reset the monitor, build a DTC lookup library you can find the related code definitions to help you determine if your car needs repair, to save you time and money, and dramatically improve your car lifespan / performance.
➤【EASY TO OPERATE】The OM126P car diagnostic tool equiped with 2. 4" TFT 262K true color LCD display screen to indicates the test results , with the silicone keypad you can easy to access the each menu options, the I/M Readiness hot key can check the state emissions readiness and drive cycle verification,Also, a wealth of car information is retrieved to find out all about your car without hassle for recording, car tracking, buying matched parts etc.
➤【WIDE RANGE DIAGNOSE】 Work on all after 1996 and newer vehicles models in the USA(OBD II&CAN) or other imported vehicles. Quickly read and erase the DTC on all OBD II protocols vehicles: CAN, J1850 PWM, J1850 VPW, ISO9141 and KWP2000 and support for 10 languages: English, French, Spanish, German, Russian, Italian, Finnish, Portuguese, Polish, Dutch, which make it easy to use for people from different countries .
➤【WORRY-FREE SERVICE】 Plug & Play, no battery or charger required;OM126P OBDII diagnostic scan tool supports a lifetime free software updating and Review & Print diagnostic reports from the Auto fix ,via connect to a computer via USB (for Windows 7/8/10 ONLY), and we offer one year warranty , if you cannot comfirm its compatility, please feel free to consult us.

No. 4

AUTOPHIX 3210 Bluetooth OBD2 Scanner, Check Engine Light Car Code Reader Diagnostic Scanner Wireless Auto Scan Tool with Battery Performance Test for All Cars & Vehicles Compatible with iOS Android

Powerful Check Engine Light Diagnostics: AUTOPHIX 3210 code reader can read and diagnose your check engine light, check for car trouble issues, and quickly clear trouble codes once fix are complete. More functions compared to other simple obd scanner like I/M Readiness, Battery Health Check, Freeze frame, O2 sensor test, On-Board Monitoring, Evap system test, Performance Test, Data Stream, Diagnostic reports, Handy google search button, Built-in OBDII fault code look-up library
Excellent Performance Test: Supports various performance test, accurate reading of car acceleration, distance, braking, PID chart with RPM, VSS, VPWR, ECT, MAF, etc and trip monitoring, including real-time analyze speed change, coolant temperature, average speed, RPM, number of rapid braking, hypervelocity, start idle time, etc. The built-in warning Settings (Speed, water temperature, driver fatigue alarm) to remind the driver to ensure driving safety
Professional Battery Test: AUTOPHIX 3210 bluetooth scanner support gather real-time battery voltage, analyze information automatically in no time, and display results in a graph, instead of a direct result on the phone screen that an ordinary scanner, which will ensure that you can analyze the accurate live data and determine the battery's health status or expected remaining life. So it is in great condition when you need it the most on a freezing winter day without opening the bonnet
Exclusive APP: Are you tired of the following situation by the third-party apps? such as 1. Different cars need to download different APP? 2. Need an additional download fee of 9.99-49.99? 3. Only a few functions can be supported? 4. Only one of Android and iOS can be used? Then you need one AUTOPHIX 3210 code reader to solve all the above problems. A necessary wireless bluetooth car diagnostic tool for today's car owners. F-ree downloadable on both iOS and Android. It saves time and money!
Advanced Datastream Display: This scan tool allows you to show the vehicle's data stream graphically, instead of boring text. Includes engine coolant temperature, engine RPM, vehicle speed, absolute throttle position, control module voltage, etc. You can check different parameter values corresponding to a different time. Advanced datastream provides useful information for entry-level Pros and DIYers that they can quickly and efficiently troubleshoot vehicle problems
Support 200+ Brands 200,000+ Vehicle Models & 9 Languages: Compared with a similar bluetooth code reader which only supports 20-45 car brands, 3210 OBD scanner extensive car coverage Includes 200+ cars brands and 200,000+ car models for all OBDII cars, SUVs, minivans, light-duty truck sold worldwide, and the years supported by obd reader range from 1990 to the present. It works in English, German, Spanish, Finnish, French, Italian, Dutch, Portuguese, and Chinese which can make you ignore the language barrier
Efficiency and Savings: Don't just read vehicle malfunction codes and give you code definitions, but more importantly informs you what the possible problems are with your car, even if you know absolutely nothing about car. We are here to help you know the car troubles and clear the error code. Complete diagnostic reports can be shared online with your friends or mechanics to solve your problems, instead of spending a few hundred dollars on a repair shop to understand what's happening
What You Get: AUTOPHIX bluetooth code reader, Instructions, Storage bag. Proudly designed in the USA by Professional Engineers. Tested in 50+ local car dealers in the United States before Mass production. AUTOPHIX only does car scanning. We are professional for your cars. And we offered you 24h after-sales service. If you have any questions, please freely to let us know

SaleNo. 5

STEELMAN PRO ChassisEAR 2 Auto Diagnostic Noise Finder

PINPOINT NOISES - Easily pinpoint troubling noises that cannot be duplicated in a repair stall and only occur during road driving
MULTI-CHANNEL - Connect up to six (6) color coded sensor clamps to different locations to find a noise's source
FULL HEADPHONES - Includes a set of full-coverage over-ear headphones to block out surrounding noise
USB RECHARGEABLE - USB rechargeable integrated battery provides up to 8 hours of continuous use per charge
10-FOOT CABLES - 10-foot long wire leads allow clamps to be positioned in difficult to reach places

No. 6

1,474 Consomer Reviews

LAUNCH OBD2 Scanner CRP123X Elite Car Scanner, 2025 Lifetime Free Online Update Diagnostic Scan Tool with SAS/Throttle Reset, ABS SRS Transmission Car Check Engine Code Reader, Auto VIN, Battery Test

【Accurate & Intuitive Multi-System Diagnosis】The Launch CRP123X diagnostic tool can pinpoint the problem components when warning lights flash for the transmission, ABS, and SRS airbag check engine. This makes for a faster diagnosis and helps car owners avoid trips to the dealership.After upgrading to V2.09, you can also experience the new addition of the point card renewal portal in the mall, as well as the introduction of support for FCA SGW AutoAuth.
【Newly Added Reset Functions】The CRP123X Elite now offers Throttle Adaptation, Oil Reset, and SAS Reset functions for f-ree. Optimize your engine performance with Throttle Adaptation, reset your oil life system with ease to save time and money on maintenance, and enhance your vehicle's handling and safety with SAS Reset. Save money and enjoy the convenience of the CRP123X.
【Wide Range of Vehicle Support】The Launch CRP123X supports a wide range of vehicles, including passenger cars, SUVs, minivans, and 12V light-duty trucks produced by Asian, European, American, Indian, and more brands between 1996 and 2025. The AutoVIN technology allows you to get your VIN and vehicle info rapidly, making it easy to diagnose issues and obtain replacement parts
【Multiple Displays of Live Data】The Launch CRP123X can show real-time data for various parts of the car, such as oil temp, pressure, transmission temp, engine speed, and coolant temperature. Data can be shown in a single, multi-graph, and merge two graphs for analysis (merge 4 PIDs in one)
【F-ree Lifetime Updates】With the CRP123X Elite, you'll enjoy lifetime f-ree software updates. That means you'll always have access to the latest diagnostic capabilities and performance improvements, ensuring that your tool stays up-to-date with the latest vehicle models and software updates. Plus, updating the tool is easy - simply connect it to your computer and download the updates through our user-friendly software
【Vehicle Health Report & Battery Voltage Checker】The Launch CRP123X scanner can monitor a vehicle’s battery voltage and produce a vehicle health report that can be shared via email and printed on a computer

No. 7

2024 Ver. EDIAG OBD2 Scanner YA-101 Auto Code Reader for Check Engine Light,O2 Sensor,EVAP Test,On-Board Monitor Test,Smog Check,OBD2 Diagnostic Scan Tool for All OBD2 Cars Since 1996-Upgrade Version

【Vehicle Diagnoses Doctor】YA-101 is an upgraded version of basic obd2 scanners with feature complete support of all 10 modes of obd2; including reading and erasure of current codes, O2 Sensor Tests, On-Board Monitor Test (Mode 6), EVAP System Test (Mode 8), I.M Readiness, Vehicle Info, etc,.Help you pass the S.m.o.g check!
【View Live Data & DTCs Lookup】View Freeze Frame/Live Data streams, Live O2 monitoring, Misfire, Engine Coolant Temperature and Engine RPM Data; view real-time PID data from ECM; built-in DTC lookup library with definitions.
【All OBDII protocols Vehicles Coverage And 9 Languages】Works with most 12V gasoline vehicles sold in the USA after 1996. Supports all OBD2 Protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN. Therefore, it will work with virtually all obd2 cars with 16 pin Data Link Connector. Support for 9 languages: Simplified Chinese, German, English, Spanish, French, Italian, Japanese, Traditional Chinese, Russian.
【Garage Necessity】Plug and play function,easy to use. Add Battery Test Function to view of Battery Status; color display; FR-EE LIFETIME software updates via USB port. It is recommended as a necessity in your garage, Home and Autoshop.
【Youtube Influencer Mechanic Recommend】This obd2 scan tool only works on 12V cars, NOT WORK FOR 24V truck. Don't use it on 24V vehicles. The ediag Tools provides Lifetime wa-rr-anty for the YA-101 scan tool. Please feel free to reach us, any time, via QA, Email or Amazon Messages via ediagtools @ hot mail.
【Perfect Gift 】: Top present choice for your father, husband,son, brother or boyfriend.

No. 8

2025 LAUNCH CRP129I V2.0 Elite OBD2 Scanner, ABS/SRS/AT/ENG Car Diagnostic Tool, 12 Reset Services TPMS/Oil/EPB/SAS/BMS/DPF/Throttle Reset, Injector Coding, AutoAuth, Lifetime Update

4 System Diagnose + 12 Service Obd2 Scanner:2025 Elite Version LAUNCH scanner CRP129I V2.0 has all-around upgraded, 12+ Reset Functions, 4 Systems Diagnose , Full Obd2 Modes, One-click Wifi Update with Lifetime Free update,5 Years backup, Android 8.1 ,4 Core Advanced Qualcomm Snapdragon processor, 6X faster speed
2025 NEW FCA AUTOAUTH, 100+ Car Brand Support, NO IP Limitation:LAUNCH CRP129I V2.0 introduces AutoAuth for 2017+ FCA vehicles, covering over 100 brands and 20,000 models from 1996 to 2025. This includes diesel (12V only), gasoline, passenger cars, pickups, light-duty trucks, SUVs, and minivans.Compatible with Ford, GM, Dodge, Jeep, BMW, Mercedes Benz, Audi, Volkswagen, Toyota, Honda, Skoda, etc
Lifetime Free Update & 11+ Language Available:The LAUNCH CRP129I V2.0 vehicle diagnostic tool supports one-click update via WiFi and lifetime free. It supports 11 languages: English, French, Spanish, German, Korean, Japanese, Portuguese, Italian, Traditional Chinese, Russian, Polish. Apart from these, bi-directional obd2 scanner can also automatically generate health report that you can email to share or print for your further check.
ABS SRS Transmission Engine Code Reader:Launch crp129I V2.0 scan tool surpport ABS SRS diagnosis, transmission engine checking,read and clear diagnostic trouble codes, turning off the warning light related. Diagnose with full 10 OBD2 test modes to fix most of emission issues, keep your engine in good condition and avoid being fined before the annual car inspection
12 Hot Reset Services:LAUNCH CRP129I V2.0 scanner automobile now support 12 hot service functions including Oil Reset, Steering Angle Calibration, Electronic Parking Brake, TPMS Reset, Throttle Adaptation, Injector Coding, BMS Reset, ABS Bleeding, Adblue Reset, AFS Headlamp Reset,Air/Fuel Ratio Reset to maintain your vehicle systems safely and efficiently, with the Automatic Autovin Scan, you may easily get the VIN.
Robust Feature Set, An Essential for Daily Maintance, Check Problems In Advance:Access fault codes to identify troubleshooting steps and use all 10 OBD2 test modes to address emission issues, saves time to go to mechanic and say goodbye to long bills from repair shops. With this tool can help prevent costly repairs, breakdowns, and accidents, keeping your older car running reliably.

No. 9

Car Diagnostic Apps - Auto Scan Tools: OBD2 ELM327

Shows and Resets engine fault codes
DTC trouble codes stored in your car
Export map/track log files to Google Earth KML / CSV
Engine performance data
Head-up Display / GPS HUD mode perfect for checking your speed at night
Data Logging functions including web upload and file logging,
Customisable dashboard with theme support
Fix your car and helps keep car repair costs down!
Turbo Boost gauge support for VW vehicles
Arabic (Publication Language)

No. 10

Akface OBD2 Scanner,OBD II Car Code Reader Automotive Check Engine Light Error Analyzer Auto CAN Vehicle Diagnostic Scan Tool, Red

【Powerful Compatibility】OBD2 Scanner works on MOST 1996 US-Based cars, 2000 EU-Based and Asian cars, vehicles with all OBD2 protocols CAN, ISO9141, J1850 VPW, J1850 PWM, KWP2000. Support 6 Languages English, French, Spanish, Italian, Dutch, German.
【Classic Handhold Design OBD2 Code Reader】with the function of” plug and play”, can fast scan and clear trouble codes. It is very easy for a beginner to use this unit to read the error code.No need to wait for others’ repair, it can save your valuable time. Just find out the problem and fix the easy ones yourself saving the costs of any repairs.
【Convenient Car Diagnostic Tool】Easily determines the cause of the check engine light.Run I/M monitor readiness test, turn off the MIL (check engine light) ,view freeze frame data and codes and show definitions. Monitor engine coolant temperature, etc.
【LCD display】The Akface AK-03 Enhanced OBD II Scanner Code Reader has a large built-in LCD display (128 x 64 pixel) with white backlight and contrast adjustment, from which you can read test results directly. No extra battery or apps installation needed, powered directly from the OBDII Data Link Port in your vehicle with low power consumption.
【Car diagnostic scanner 】Equipped with a 2.5 feet long and heavy duty cable enables you to sit comfortably while running diagnostic test.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit, one click fast to vehicle ID number and trouble codes..12 months quality insurance;Any problem, welcome to contact us!

SaleNo. 11

FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks Check Engine Light, Read and Clear Fault Codes, Live Data Scanner Diagnostic Tool for All Cars After 1996

Effortless Diagnostics for Car Owners : FOXWELL NT201 obd2 scanner is combines easy-to-use and professionalism with a focus on convenience for car owners, this engine code reader could quickly detects the issue that triggers the check engine light, reads and clears engine fault codes, and turns off the check engine light (MIL).
Accurate Engine Diagnostics: By viewing live data like ETC, MAP, and RPM to identify factors affecting your engine. Equipped with built-in trouble code library, this code reader for cars and trucks could provide instant code definitions and clues for your reference to begin car troubleshooting in the right direction and fix car effectively.
One Key Emissions Test: Easily check your vehicle's emission readiness status with one-click I/M readiness hotkey. The automotive scan tool provides visual(red/yellow/green lights) and audible indicators will guide you through the process, making it simple to perform home emissions checks before the state inspections.
Extensive OBDII Modes: Designed with enhanced OBDII modes, including O2 Sensor Test Mode 5 on vehicles that use CAN protocol. This NT201 obd2 scanner diagnostic tool helps diagnose engine performance by analyzing oxygen content in exhaust gases, which is important for addressing engine efficiency issues.
Broad Compatibility: Works with all OBDII/EOBD compliant cars, light duty trucks, suv, minivans, and hybrids sold worldwide. NT201 car code reader supports J1859-41.6, J1850-10.4, ISO9141, KWP2000 ISO14230, and CAN Control Area Network ISO11898. Contact us to confirm compatibility with your vehicle if unsure.
No Subscription Fees: Purchase once and access all NT201 scanner features without additional costs. Enjoy lifetime free software updates via Windows7/8/10 to keep your car diagnostic scanner updated with the latest version. Multiple language options include English, German, French, and Spanish.

SaleNo. 12

Veepeak OBDCheck BLE Bluetooth OBD II Scanner Auto Diagnostic Scan Tool for iOS & Android, Bluetooth 4.0 Car Check Engine Light Code Reader

IMPORTANT: NOT compatible with pre-2008 models or G series (e.g. 2018+ 3 Series, 2017+ X3, 2017+ 5 series, 2019+ X5, etc.) when used with BimmerCode; Not suitable for pre-2008 models for BimmerLink. The OBDCheck BLE OBD2 diagnostic tool can work with various third-party Apps, and what functions you can get mainly depends on the chosen App and your vehicle. Please check the App & vehicle compatibility from the product images or User Guide (under Product guides & documents), and read the user instructions before purchase or use.
CHECK ENGINE LIGHT DIAGNOSTICS (basic functions) – When used with generic OBD II Apps (e.g., Car Scanner ELM OBD2, OBD Fusion), you can read & erase engine diagnostic trouble codes, view freeze frame data, I/M readiness and real-time sensor readings (such as Speed, RPM, O2 Readings, Engine coolant temperature, Mass air flow rate, Fuel Trim), which can help you diagnose simple engine problems.
ADVANCED DIAGNOSTICS & FEATURES (only for selected vehicles, see product images or user guide for details) – When used with more professional Apps (usually requires sperate purchase), you can get features like advanced diagnostics (on ABS, airbag, etc.) and manufacturer-specific PIDs (such as transmission temperature, oil pressure), examine the HV battery in hybrid & electric vehicles, customize selected vehicles, etc. Note: it does not support service reset.
COMPATIBLE WITH IOS & ANDROID – for iOS devices, please connect directly in the OBD App instead of through iOS Bluetooth. Android head units are not compatible; for some Android phones, it may show as paired, saved or previously connected after pairing but you can just start the App to connect. For detailed iOS and Android connection & troubleshooting guide, please refer to Installation Manual or Instructions for Use.
VEHICLE COMPATIBILITY – Compatible with MY1996+ cars and light trucks in the US and 1998+ in Canada for check engine light diagnostic functions. For PHEVs & EVs, please refer to the User Guide document (EV compatibility guide). Note: please make sure your vehicle OBD port is in good condition and the device fits snugly in order to connect to the vehicle ECU (powering on does not necessarily mean a good fit).
Note: currently there is no Veepeak App coming with this device; third-party Apps are required but not included and requires separate download or purchase from Play Store or App Store (check images for all compatible Apps); NOT compatible with Carly, MHD, xHP, ProTool, ABRP (Android version), and other Apps that are not listed. Avoid low-quality iOS apps with "Torque" in their names!

No. 13

LAUNCH X431 V+ PRO 5.0 Diagnostic Scan Tool, 2024 Elite Global Version, ECU Coding 37+ Reset HD Trucks Scan, All System Diagnostic scanner, VAG Guide AutoAuth FCA SGW, CANFD DOIP 2 Yrs Free Update

👍【2024 Elite Version,Add More Functions,No Extra Software F.ee】LAUNCH X431 V+ Pro 4.0 Scan Tool adds OE-Level features as ➤ VAG Guiding Function(Support VW,SKODA,SEAT)➤ECU Coding➤【AutoAuth for FCA SGW】➤Compatible with HD module, support 24V diesel heavy-duty trucks.➤Setting & Changeover➤ Modification ➤Online/Offline Coding➤Anti-theft IMMO Service ➤ADAS calibration(work with ADAS Mobile).➤Flash Hidden Functions➤Power Balance➤Customization ➤Personalization, for worldwide vehicles,keep growing.
👍【Bi-Directional(Active Test)+Online Coding+Over 37 Reset Services+All System Diagnostic+Adaptation+Initialization+ Matching】Launch X431 PRO car diagnostic scanner Elite also support:Gear/ SAS/ EPB/ TPMS/IMMO/ BMS/ ETS/Oil/ Brake/ AFS/ GEARBOX/ SUNROOF/ SUS Reset,ABS Bleed,Injector coding.Gives you the ability to use dealership level relearn procedures to complete repairs.➤You can get 100+ advanced special functions under the"vehicle brand"menu>"system" > "special functions".
👍👍【Covering 99.99% Vehicles on the World+5 Years W.ar.ranty + 2 YEARS F-ree Update+Almost OBDI&OBDII Connectors and Cables Included】 LAUNCH X431 V+ Pro diagnostic tool works on ECU of vehicles covering Asian, European, American, Russia, Malaysia, India car brands up to 150 car brands, 200000+ car models (Keep Growing with Updates)...🔥Con-tact seller to Get F-ree Gift
👍【2024 Better Smart Hardware+25 Languages to Use】launch scanner x431 Updated and Optimized hardware➤ Android 10.0 tablet, 10.1 touch screens➤2.4GHz&5GHz dual-band Wi-Fi,transmission rate is 5 times faster than old version.➤6300mAh rechargeable battery (up to 15 hours or more of battery life) ➤64+128Gb (expandable) storage to save more vehicle documents➤CPU processor updated from 1.4GHz to 2.0GHz octa-core to perform diagnostics quickly and efficiently.➤8XFAST AUTO VIN technology.
👍【SMART BI-DIRECTIONAL(ACTIVE TEST)】X431 launch scan tool with full-featured bi-directional control ability can actuate solenoids and actuators for active testing, send commands to many systems/components to test their working status, without using the vehicle controls.Turn on the radiator fan, modulate the throttle, open/close windows, operate mirrors, Injector Buz Test,turn on interior & exterior lights, sound horn, test door actuators etc.
👍【Expansion Module】LAUNCH X431 v+ supports extended modules (needs to b.uy additionally)✔️X431 HDIII,Adding a scanner for scanning and diagnostics in 24V heavy trucks✔️x431 Videoscope: Check the engine,fuel tank system and other invisible parts.✔️X431 PROG3: I-M-M-O function for VAG groups above 3.5 ✔️ADAS mobile/PRO: perform ADAS calibration operations ✔️X431 WIFI Printer: print out diagnostic data/reports✔️x431 BST360.

SaleNo. 14

LAUNCH OBD2 Scanner CRP123X Elite, 2025 Lifetime Free WiFi Update scan Tool, FCA SGW, SAS Calibration/Throttle/Brake/BMS/D-P-F/Oil Reset/ABS bleeding, Multi Systems Car Scanner, Battery Test, Auto VIN

[2025 Newly Added 7 RESET FUNCTIONS] 2025 New Ver. obd2 scanner diagnostic tool CRP123X Elite ADD NEW SPECIAL FUNCTIONS for FREE--Throttle Adaptation, Oil Reset, SAS Reset, BMS Reset, Brake Reset, D-P-F Regeneration, ABS bleeding. Before the trip to the mechanic, launch obd2 scanner crp123x elite can do deeper diagnosis for the car system and react with accurate data in minutes. More, the list of compatible models has been expended. Upgrading frequency is regular, occurring monthly even weekly.
[FCA AutoAuth &Free Updates for Lifetime]. LAUNCH CRP123X provides no-fee upgrades. Continually enhance vehicle diagnostic software, can diagnose 1996-2025 vehicles with a massive global vehicle database. With integrated AutoAuth, diagnose 2018+ FCA SGW-equipped cars.Yearly functional upgrades ensure CRP123X purchased years ago to keep up with newer diagnostic advancements. Beyond that, we'll always be working on behind-the-scenes bug fixes to drive your scan tool in excellent condition.
[Accurate & Intuitive Multi System Diagnosis] Will you be confused about what happens when the warning light of transmission, ABS, and SRS Airbag check engine flashes? Launch obd2 scanner diagnostic tool CRP123X to pinpoint the problem components for a faster diagnosis for your car instead of taking your car to the dealership, and will turn off the warning light for you after fixing the problem, make to know more about your cars and do your own repair.
[Multiple Display of Live Data + DTC Code Definition Explanation] Launch car tools show real-time data of oil temp, pressure, transmission temp, engine speed, coolant temperature, you will know which car part is abnormal. Data can be shown in a single, multi- graph, and merge two graphs for analysis（merge 4 PIDs in one). It’s convenient for car owners to purchase auto parts and replace it by yourself, 🔥Code Search,DTC Library provide massive information.
[2025 Hardware Upgrade & One-click Recognition] Faster! Stable! CRP123X Elite car diagnostic scanner has a new processor, Android 8.1, 32GB of memory, 5-inch touchscreen (720P), 6100mAh rechargeable battery,. Wireless WiFi connection embarks on hassle-free faster renewing with one click. LAUNCH code reader effortlessly recognizes vehicle information( (vehicle make, model, and year info) through one-tap automatic VIN scanning, with no manual input, just swift and precise data at your fingertips.
[Vehicle Health Report]+【Battery Voltage Checker】The obd2 scanner diagnostic tool supports most car makes from worldwide which are all free. It monitors the vehicle’s battery's real-time voltage displayed in graphs and text, informing you of the health of your battery. Vehicle Health Report can be recorded and playback for further analysis, launch car scanner can be shared by email and then printed on a computer.
[Perfect Gift] It is an excellent gift option for your father, husband, brother, or boyfriend if they enjoy auto repair. This scan tool is more effective and efficient than its predecessors. Just click it add both to your cart to get an Extra gift TPMS Activation Tool which works for GM cars.

No. 15

Yyton OBD2 Scanner Automotive Code Reader with Color Screen,2022 Newest Enhanced Intelligent Chip Car Code Reader Auto Diagnostic Scan Tool,Car Code Scanner for O2 Sensor&EVAP System&Smog Test Green

【Multi-Functions OBDII Diagnoses】Yyton practical multi-functions obd2 scanner adopts the latest version intelligent chip, built in a DTC lookup library you can find the related code to help you determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, reading data stream and playback function, real-time curve, reading vehicle information, calculate load value, engine coolant temperature, get engine speed. Support car battery voltage test, oxygen sensor test.
【Battery Test and Vehicle Information】Yyton scanner for car adds the battery voltage detection function, you can check the status of your car battery at any time and make sure you know the battery status in real-time. Also it can retrieve vehicle information, such as VIN number etc., which is especially useful when buying a used car and help you detect any potential problems, save you time and money in maintenance or repair.
【Wide Compatibility & Multi-Languages Support】Our car code reader supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. And 8 language settings are supported, including English, German, Italian, Dutch, French, Spanish, Chinese, Russian, which meet the needs of most customers in the world.
【Plug and Play】Our car scanner tool is very suitable for beginners to use, you don't need to install any software and apps, just plug and play. And also no need any battery or charger, gets the power directly from your vehicle through the Data Link Connector. There are 4 buttons on OBD2 code scanner: scroll up/down, enter/exit and three warning lights. (Green light: support the vehicle detection; Yellow light: It is read that the vehicle is faulty; Red light: The product is energized normally.)
【2.8 Inch Color Screen & Perfect Design】Adopting a 2.8 inch IPS true color LCD display of obd2 scanner diagnostic tool, it has a stylish appearance, which allows you to check the test results more intuitively. This obd2 code reader equipped with a 2.5 feet long cable and made of a very thick flexible insulator, which keeps you safe. And the ergonomic handle design makes you operate and carry easily.

SaleNo. 16

How To Use Automotive Diagnostic Scanners: - Understand OBD-I and OBD-II Systems - Troubleshoot Diagnostic Error Codes for All Vehicles - Select the ... Tools and Code Readers (Motorbooks Workshop)

Martin, Tracy (Author)
English (Publication Language)
200 Pages - 08/01/2015 (Publication Date) - Motorbooks (Publisher)

No. 17

Automotive Scan Tool PID DIagnostics (Diagnostic Strategies of Modern Automotive Systems Book 6)

Amazon Kindle Edition
Concepcion, Mandy (Author)
English (Publication Language)
64 Pages - 05/29/2011 (Publication Date) - www.autodiagnosticsandpublishing.com (Publisher)

No. 18

How To Build A Website

Amazon Prime Video (Video on Demand)
--- (Director)
(Playback Language)

No. 19

Mechanic Hourly Rate Skull (on back) T-Shirt

Surprise a diesel mechanic, aircraft mechanic, auto mechanic, engineer mechanic, heavy equipment mechanic or car mechanic for Birthday, Father's day, Valentine's day, Christmas or any other occasion. Perfect gift for co-workers or family!
This funny Mechanic Hourly Rate Shirt is a perfect mechanic gift for your brother, dad, boyfriend or husband mechanic. Great to wear while working with tools and another mechanical equipment. Show your labor or hourly rates with this funny mechanic tee.
Lightweight, Classic fit, Double-needle sleeve and bottom hem

SaleNo. 20

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

Multi-Functions - It's a practical multi-function OBD2 code reader which helps you determine the cause of the check engine light coming on, quickly read and remove 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. Wide Compatibility - Supports 9 protocols compatible with most 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. It can also be used for some motorcycle OBD2 system diagnosis. (Note: an additional specific adapter cable is needed. not included with this device) 2.8" LCD Display & Multi-language - Designed with a clear 2.8" LCD screen (128 x 64 pixels) - 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. It also supports 6 languages - English,German, Dutch, Spanish, French and Italian. This scanner is enjoyed and highly recommended by the customers worldwide. Compact Design & Easy to Use - It weighs about 12 ounces and measures 6 x 2.75 x 0.9 inches. Equiped with a 2.5 feet long heavy duty cable and the standard 16-PIN OBD connector. 6 buttons for quick operation. The plug and play design makes it user-friendly. Even if you don't have much technical knowledge, you can operate it without any hassle. "Accurate & Fast - Different with other similar scanners, the MP69033 scanner use the brand new ARM micro processor to make sure the ultra high accuracy and fast speed. With the excellent performance of the micro processor, the detailed real-time engine data can be detected and displayed on the screen in seconds. Get codes, fix the problem and turn off the CEL. If you just need a code reader to check your car, it's definitely an affordable and reliable tool.

How to choose a good auto diagnostic tools

Does the idea of finding a fantastic auto diagnostic tools make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in auto diagnostic tools. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top auto diagnostic tools products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top auto diagnostic tools on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top auto diagnostic tools brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top auto diagnostic tools based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings: Would it be accurate to suggest that the auto diagnostic tools were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good auto diagnostic tools, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your auto diagnostic tools.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting auto diagnostic tools for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our auto diagnostic tools. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what auto diagnostic tools should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on auto diagnostic tools.

Emmett Norman

I've always been fascinated by the power of words and I hope my writing helps people find the best products.

All Posts

The 8 Best auto diagnostic tools of 2025

An overview of our top picks

Table of contents

The best auto diagnostic tools you can buy today

How to choose a good auto diagnostic tools

Why should you believe us?

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