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  1. Best OBD2 Scanners for 2025, Tested - Car and Driver

    Nov 19, 2025 · Did your vehicle's check-engine light just pop on? An OBD-II scanner can point you in the right direction—and potentially save you a bundle. This article was updated in November 2025 …

  2. Code Reader - OBD2 Scanner & Car Diagnostic Tool - AutoZone

    When you detect there's a problem with your vehicle, turn to AutoZone to help you pinpoint the issue. With our wide variety of code readers, you can get to the root of the problem in no time. Our OBD2 …

  3. Amazon Best Sellers: Best Code Readers & Scan Tools

    Discover the best Code Readers & Scan Tools in Best Sellers. Find the top 100 most popular items in Amazon Automotive Best Sellers.

  4. 9 Best OBD2 Scanners for DIY Troubleshooting in 2025

    Jul 18, 2025 · This is a car code reader or diagnostic tool that allows you to communicate with the engine’s computer about what’s wrong and needs to be fixed. This system has been in use for nearly …

  5. Best OBD-II Scanners of 2025, Tested & Reviewed - Road & Track

    Sep 15, 2025 · Get the read on your car issues with an OBD-II code reader. I tried out some of the top brands on the market to find the best one for your needs.

  6. Car Code Reader - Walmart.com

    Shop for Car Code Reader at Walmart.com. Save money. Live better.

  7. The Best OBD2 Scanners of 2025 | GearJunkie Tested

    Nov 1, 2024 · Is your check engine light on? We field tested and can point you to the right OBD2 scanner to diagnose vehicle troubles including Bosch, Ancel, TOPDON and more.

  8. 7 Best Car Diagnostic Scanners for DIYers (and Professionals)

    Jul 22, 2025 · When something goes wrong, your car stores error codes that can help pinpoint the problem. That’s where OBD2 scan tools come in. These handy devices plug into a port under your …

  9. Best OBD2 Scanner Without Subscription for Cars (Handheld and …

    Dec 2, 2025 · I’ve rounded up the best no-subscription OBD2 scanners for 2025—handheld and Bluetooth tools that offer fast, accurate diagnostics without hidden fees or upsells.

  10. The Best Car Code Readers - Lifewire

    Feb 21, 2025 · A car code reader lets you read and clear codes, view basic parameter IDs, and check and reset readiness monitors. This gives you an excellent way to tell if the problem is something you …