Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
10 Best automotive code readers amp scan tools of 2025
【Easy to Use--Work out of box】+【FOXWELL 2024 New Version】 FOXWELL NT604 Elite scan tool is the 2024 new version from FOXWELL, which is designed for those car owners who want to figure out the cause issue before fixing the car problem via scanning the most common systems like abs srs engine and transmission.The NT604 Elite diagnostic tool comes with latest software, which can be used out of box. No need to waste time to download the software first.
【Affordable】+【Reliable Car Health Monitor】 Will you be confused what happen when the warning light of abs/srs/transmission/check engine flashes? Instead of taking your cars to dealership, this foxwell scanner will help you do a thorough scanning and detection for your cars and pinpoint the root cause. It will t-urn off the warning light car after the problem is fixed.TIPS: Airbag crash/collision data can NOT be cleared even you replace the new airbag.
【5 in 1 Diagnostic Scanner】Compared with those auto scanners (50-100), NT604 Elite code scanner not only includes their OBDII diagnosis but also it can be an abs/srs scanner, transmission and check engine code reader. When it’s an odb2 scanner, you can use it to check if your car is ready for annual test through I/M readiness menu. In addition, live data stream, built-in DTC library, data play back and print, all these features are a big plus for it.
【FAST DIAGNOSTIC & LIVE DATA STREAM】This car scanner features Auto-VIN technology, which automatically retrieves vehicle information (not compatible with all models). Alternatively, you can manually select the model for diagnosis. It provides a live view of vehicle sensor data in both test and graph formats. With graphical displays, data logging, and DTC tips, you can quickly identify the cause of various trouble codes and generate a diagnostic report for printing or sharing with mechanics
【ALL OBDII DIAGNOSTICS】Allows you to easily diagnose engine problems and turn off the warning light. It can not only accurately determine codes and possible causes, but also perform all OBD test modes such as DTC search, O2 sensor test, I/M readiness test, on-board monitor test, live data stream display, freeze frame data display, EVAP system test, retrieve vehicle information and generate diagnostic reports, saving vehicle owners a lot of time and money in maintenance
【4-SYSTEM MANUFACTURER-LEVEL DIAGNOSTICS】Do you feel puzzled when the warning lights for transmission, ABS, SRS airbag, or check engine start flashing? The FX2000 car diagnostic tool can conduct in-depth scans with DTC definitions to quickly pinpoint faulty components in your car. This way, you’ll know exactly what the error code means, how serious the issue is, and what fixes are possible—before you head to the repair shop. After repairs, it can clear the fault code and turn off the warning lights. With this scanner, you’ll understand your car better and even handle repairs yourself—saving you the trouble of going to a repair shop and avoiding extra spending on repairs
Curious about how we select the top products for you? Explore How It Works
How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
WIDE COMPATIBILITY – Trusted by YouTube Star Scotty Kilmer. Featured by Scotty Kilmer on his YouTube channel, the AD410 OBD2 Scanner works on most U.S. vehicles (code reader for cars and trucks) from 1996 and newer. It supports all OBDII protocols, including KWP2000, ISO9141, J1850 VPW, J1850 PWM, and CAN. With multi-language support (English, German, French, Spanish, Finnish, Dutch, Russian, and Portuguese), this car code reader is ideal for international users. NOTE: Check compatibility with your vehicle model before purchasing.
TURN OFF ENGINE LIGHT INSTANTLY – Quickly Read & Clear Fault Codes. The AD410 obd2 scanner diagnostic tool quickly reads and clears stored emissions-related codes, pending codes, and provides code definitions. With over 42,000 built-in DTC lookups, you can easily identify faults without the need for Google searches. Reset the MIL, check monitor readiness before smog tests, and understand your vehicle's health before costly repairs. NOTE: The fault code can be cleared after solving the underlying problem, and the code reader itself cannot directly help you repair the vehicle.
ENHANCED OBDII DIAGNOSTICS – Comprehensive System Testing. This engine code reader offers advanced diagnostics, including testing of O2 sensors and EVAP systems. Perform a leak test on your vehicle's EVAP system and monitor the fuel tank's integrity. The O2 sensor test helps fine-tune the air/fuel mixture, improving fuel efficiency and reducing emissions—saving you money at the pump and reducing your car’s environmental impact. NOTE: The AD410 is mainly for engine diagnostics, it does not support ABS, SRS, Transmission systems.
OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. This is not the case with the AD310 car 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. Note: Check compatibility with your vehicle model before purchasing.
CEL Doctor: The ANCEL AD310 obd2 scanner is one of the best-selling OBD II scanners on the 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. Note: The AD310 is only used for the diagnosis of engine systems. It does not support systems such as ABS, SRS and airbags.
Accurate Fast and Easy to Use: The AD310 code reader 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.
WIDE VEHICLE COMPATIBILITY: Compatible with model year 2006+ gasoline and 2007+ diesel vehicles in Australia (for generic OBD II diagnostic functions). For EVs or PHEVs (which do not use standard OBD-II protocols), check with Veepeak for compatibility before purchase, or check in Car Scanner ELM OBD2 App to see if there is a proper connection profile.
OBD-II DIAGNOSTICS: Helps you identify reasons behind the check engine light (CEL or MIL), allowing you to read and clear trouble codes yourself, providing useful information including freeze frame, O2 sensor & on-board monitor test results, live data, and I/M readiness to help you monitor vehicle performance.
COMPATIBLE WITH A VARIETY OF OBD APPS: Car Scanner ELM OBDII, OBD Fusion, Torque (Android only), Infocar, BimmerCode*, BimmerLink*, OBD JScan, Dr. Prius, OBDocker, etc. Note: App not included; some Apps or features require separate purchase.
[Worthy to Own] Recommended by most professional mechanics on Youtube. Codes analysis and Printer compatible. Unique PATENTED design, 2.8" color screen and 1-year seller assurance with EXCLUSIVE tech and service team. Plug & Play, no need to update before use.
[Vehicle CEL Doctor] The NT301 obd2 scanner enables you to read DTCs, access to I/M readiness status, figure out the root reason of check engine light or MIL turned on, monitor sensors test, read live data and retrieve VIN of your vehicle. The fault code only can be cleared after repair finished by NT301, as like all the obd2 code readers' working principle.
[Accuracy & Streams] Live data graphing and logging. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels equipped with Obd2. Graphing live vehicle sensors data allows you to focus on any suspicious data and trend.
DO MORE – With extensive third-party OBD Apps available on App Store and Google Play (requires separate downloading or purchase), you can get advanced features like enhanced diagnostics and manufacturer-specific PIDs on selected vehicles, examine the battery in hybrid & electric vehicles, customize selected vehicles, etc. Please refer to user instructions for detailed information. Note: incompatible with pre-2008 models or G series when used with BimmerCode.
DEVICE COMPATIBILITY - updated model with support for more AT commands, optimized firmware and reduced power consumption. Compatible with iOS via Bluetooth LE (do NOT connect in iOS Bluetooth Settings; please connect directly in the OBD App) & Android devices via Classic Bluetooth (requires Bluetooth pairing; head units may not be compatible). For detailed iOS connection and Android pairing guide, please refer to the product images or user instructions.
CHECK ENGINE LIGHT DIAGNOSTICS (generic OBD II functions) - Read & erase engine diagnostic trouble codes, view freeze frame data, I/M readiness and real-time sensor readings (for example O2 Readings, Engine coolant/ oil temperature, Mass air flow rate, Fuel rail pressure, Mass air flow rate, Fuel Trim, throttle position, etc.) using your phone or tablet via an OBD2 App like Car Scanner ELM OBD2.
【Wide Vehicle Compatibility】OBD2 scan tool is UNIVERSAL to fit all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN (Controller Area Network). Compatible with US vehicles since 1996 & European and Asian autos since 2000, OBDII vehicles, passenger cars, light trucks, SUV. Great for gasoline cars but NOT suitable for DIESEL vehicles.
【Retrieve Vehicle Info】OBD2 code reader enables retrieval of the Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs). VERY USEFUL to check whether the ECU matches your car when you are buying a used car. The OBD2 Code scanner retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes.
【Freeze Frame Data】Same as autolink al319, autel OBD2 code reader with UPGRADED CHIP to read, diagnose and clear DTC, universal DTCs (Diagnostic Trouble Codes) meanings based on the built-in database(more than 3000 codes), determines the malfunction indicator lamp (MIL) status, turn off check engine light, shows engine parameters, scan I/M readiness/ monitor status (UPDATED FUNCTION), views freeze frame data(retrieve data record)(UPDATED FUNCTION) Don't worried outbreak outside.
【Works with Multi-Brand OBD-II Vehicles (Non-Volkswagen)】For 1996-and-newer vehicles outside the Volkswagen Group, the VD500 provides essential diagnostic capabilities: read/clear fault codes, display code definitions, turn off the check engine light (CEL), retrieve VIN information and more. These functions work seamlessly with all OBD-II compliant vehicles supporting standard protocols: J1850 VPM, J1850 PWM, ISO9141, KWP 2000, and CAN. Ideal for quick diagnosis of engine systems.
【Special Advanced Functions for VAG Vehicle】The VD500 diagnostic tool can not only read and clear codes for multi-System (Engine, ABS, Transmission, SAS, TPMS, etc), but also offering advanced services like oil reset, EPB brake pad replacement, and throttle body adaptation. No more costly repairs due to these hassles! If you need guidance, contact our support team with your vehicle's make, model, year, and desired function.
【Engineered for Volkswagen (VAG) Vehicle Diagnostics】The VD500 OBD2 Scanner is purpose-built to diagnose 12-volt 16-pin vehicles under the Volkswagen Group, offering full compatibility with VW, Audi, Skoda, and SEAT models while providing in-depth and comprehensive diagnostics for multiple systems including Engine, ABS, and Transmission. Easily handle routine vehicle maintenance and fault tracking to help you monitor the health of your vehicle.
【POWEFUL CHECK ENGINE LIGHT DIAGNOSTICS】AUTOPHIX 3210 can read and diagnose your check engine light, understand the severity of the issue, and clear fault codes in a blink of an eye. More functions compared to other simple scanners 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 OBD II Fault code look-up library.
【EXCELLENT PERFORMANCE TEST】3210 OBD2 Bluetooth code reader supports various performance tests, 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) remind the driver to ensure driving safety.
【PROFESSIONAL BATTERY TEST】AUTOPHIX 3210 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 code reader, which will ensure that you can access and 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.
Curious about how we select the top products for you? Explore How It Works
