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

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

    Diagnostic OBD-II Scanners. For those who are a bit more serious about their auto repair, diagnostic OBD-II scanners provide more information on the car's inner workings, such as engine coolant ...

  3. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    A range of rugged hand-held scan tools is available. Simple fault code readers/reset tools are mostly aimed at the consumer level. Professional hand-held scan tools may possess more advanced functions Access more advanced diagnostics; Set manufacturer- or vehicle-specific ECU parameters; Access and control other control units, such as air bag ...

  4. 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. [2] When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem ...

  5. ELM327 - Wikipedia

    en.wikipedia.org/wiki/ELM327

    The ELM327 is a programmed microcontroller produced for translating the on-board diagnostics (OBD) interface found in most modern cars. The ELM327 command protocol is one of the most popular PC-to-OBD interface standards and is also implemented by other vendors.

  6. 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 .

  7. Keyword Protocol 2000 - Wikipedia

    en.wikipedia.org/wiki/Keyword_Protocol_2000

    Keyword Protocol 2000, abbreviated KWP2000, is a communications protocol used for on-board vehicle diagnostics systems (OBD). This protocol covers the application layer in the OSI model of computer networking. The protocol is standardized by International Organization for Standardization as ISO 14230.

  8. Download or update your web browser - AOL Help

    help.aol.com/articles/download-or-upgrade-your...

    • Safari - Get it for the first time or update your current version. • Firefox - Get it for the first time or update your current version. • Chrome - Get it for the first time or update your current version. • Edge - Comes pre-installed with Windows 10. Get the latest update.

  9. CAN FD - Wikipedia

    en.wikipedia.org/wiki/CAN_FD

    For a classic CAN bus, a frame consists of an 11-bit identifier along with an 8-byte message payload. For CAN FD, a frame is labeled with a 29-bit identifier and carries a 64-byte message payload. Frames with 11-bit identifiers are said to be in FD Base Frame Format (FDBF) and frames with 29-bit identifiers are referred to as FD Extended Frame ...