Best Car Code Readers of 2025

Our top 3 picks

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  XTOOL AD20 Pro OBD2 Scanner, Wireless Full System OBD2 Code Reader Car Diagnostic Tool, Free Update, Oil Reset, Smog Check, Performance Test, Voltage Test, Engine Fault Code Reader for iOS & Android

  The XTOOL AD20 Pro OBD2 Code Reader is a versatile and user-friendly car diagnostic scanner ideal for both DIY enthusiasts and professional mechanics. Its fast Bluetooth 5.0 connectivity allows seamless pairing with iOS and Android devices, making it easy to use with the Advancer AD20 app. The scanner offers comprehensive diagnostics, including full system scans, oil resets, and complete OBD2 test modes, ensuring thorough vehicle analysis. Users appreciate its ability to read and clear codes, track car performance, and provide fault code definitions, enhancing both convenience and safety. With lifetime free updates and 24/7 tech support, the AD20 Pro is a reliable tool for maintaining vehicle health and readiness for MOT tests. It's an excellent gift for car owners, offering practical applications and peace of mind in vehicle maintenance.
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  TOPDON CarPal-A OBD2 Code Reader Bluetooth, All System OBD2 Scanner for iOS & Android, Vehicle Health Check, 6 Maintenance Services, Smog Check, Repair Guide, 1 Year Free Update

  The TOPDON CarPal-A OBD2 Code Reader Bluetooth is a versatile diagnostic tool perfect for multi-car households. It offers comprehensive diagnostics across all vehicle systems, including engine, transmission, airbags, and ABS, ensuring your car remains in optimal health. Ideal for beginners, this device simplifies vehicle maintenance by supporting six essential reset services like Oil and TPMS resets. Its user-friendly interface allows easy navigation through diagnostics and maintenance tasks without needing technical expertise. Additionally, CarPal provides performance testing and smog checks, helping you save time and money on inspections. Compatible with over 90 vehicle brands, it’s a reliable partner for any car owner. Enjoy the first year free, with an affordable renewal option thereafter. Whether you're a casual driver or a car enthusiast, the TOPDON CarPal-A empowers you to maintain your vehicle efficiently and effectively.
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  MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars

  The MOTOPOWER MP69033 OBD2 Scanner is a versatile and reliable tool designed for car owners and mechanics alike. It features a comprehensive diagnostic capability with a built-in OBD2 DTC lookup library, allowing users to determine engine light causes, read and erase codes, and access real-time data. Its wide compatibility supports most vehicles from 1996 onwards, including US-based, EU-based, and Asian models. The scanner's user-friendly design includes a clear LCD screen with adjustable contrast, making it easy to read diagnostic information. With a 2.5-foot cable and a compact, durable design, this tool is both portable and practical. It requires no batteries, drawing power directly from the vehicle, which adds to its convenience. Although it does not support ABS or airbag codes, it excels in providing essential engine diagnostics, making it a valuable addition to any car maintenance toolkit. Ideal for non-technical users, this scanner combines ease of use with comprehensive functionality, ensuring you can address engine issues efficiently and effectively.