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  1. OBD-II Check Engine Light Trouble Codes

    OBD-II OBD2 Diagnostic Trouble Codes. Definitions and suggested repair procedures.

  2. OBD-II Trouble Code Chart - RepairPal

    Get definitions and auto repair information for thousands of OBD-II codes. Look up B, C, U and P codes to diagnose your car problem.

  3. 5 Most Common Check Engine Light Codes, Causes, and Fixes

    Oct 29, 2025 · After years of writing up estimates based on fault codes, I’ve noticed patterns that each tell a story. Here are the check engine light codes my team saw most often, what they mean, and …

  4. OBD 2 Code List - AutoZone

    Get insights into your vehicle's health by understanding OBD 2 codes. Explore our list of common codes, their meanings, and expert tips for diagnosis and repair.

  5. What Does Your Check Engine Light Mean? - Edmunds

    May 15, 2025 · Vehicle telematics company CarMD publishes its Vehicle Health Index annually, compiling the 10 most common check engine codes and their estimated cost of repair.

  6. Understanding the Most Common Check Engine Light Codes

    Sep 2, 2025 · Discover the most common check engine light codes, their implications, repair costs, and essential facts for informed vehicle maintenance.

  7. How to Check Car Engine Light Codes: A Complete DIY Guide

    Jul 2, 2025 · Learn how to check car engine light codes with this comprehensive guide. Discover easy steps, common trouble codes, and when to seek professional help. Trusted assistance available …

  8. OBD-II Code List | Kelley Blue Book

    Find out what your OBD-II code means by using this list of standardized diagnostic trouble codes common to all vehicle manufacturers.

  9. Check Engine Light Codes [OBD-II DTC]

    This list contains standard diagnostic trouble codes (DTC's) that are used by some manufacturers to identify vehicle problems. The codes provide below are generic codes that may not apply to all vehicles.

  10. Everything You Need to Know about Check Engine Codes

    Check engine codes indicate a variety of problems with your car. Find out the most common codes and their meaning.