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  2. Best OBD-II Scanners for 2024, Tested - AOL

    www.aol.com/best-obd-ii-scanners-2023-223000386.html

    Things to Consider When Shopping for an OBD-II Scanner. In 1996, the Environmental Protection Agency made the OBD-II port mandatory in all U.S. cars.

  3. Diagnose the Issue with the Best OBD-II Scanners ... - AOL

    www.aol.com/save-time-money-best-obd-135800727.html

    Are OBD-II scanners compatible with all vehicles? OBD-II scanners are compatible with most vehicles manufactured after 1996 (in the United States) and 2001 (in Europe) that adhere to OBD-II standards.

  4. Passthrough device - Wikipedia

    en.wikipedia.org/wiki/Passthrough_device

    A passthrough device is a device used in conjunction with a computer to reprogram vehicle control modules through the OBD-II/CANbus port. [1] Each manufacturer has their own type, but SAE International standardized the J-2534 universal requirements in 2004, requiring all manufacturers to allow vehicles sold in the United States of America and Europe to accept powertrain reprogramming through ...

  5. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections .

  6. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    A PC-based OBD analysis tool that converts the OBD-II signals to serial data (USB or serial port) standard to PCs or Macs. The software then decodes the received data to a visual display. Many popular interfaces are based on the ELM327 or STN [41] OBD Interpreter ICs, both of which read all five generic OBD-II protocols. Some adapters now use ...

  7. Scan tool - Wikipedia

    en.wikipedia.org/wiki/Scan_tool

    OBD 1 vs OBD 2 the vehicle will also dictate what the scan tool is able to display. If the vehicle is equipped with OBD 1 it will have significantly less available data when compared to a vehicle equipped with OBD 2. [3] When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem ...