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  2. 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 .

  3. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    See OBD-II PIDs#Service_09 for an extensive list. Service / Mode $0A lists emission-related "permanent" diagnostic trouble codes stored. As per CARB, any diagnostic trouble codes that is commanding MIL on and stored into non-volatile memory shall be logged as a permanent fault code. See #OBD-II_diagnostic_trouble_codes.

  4. Vehicle inspection in the United States - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection_in_the...

    Vehicle emissions inspection station in Wisconsin. Arizona – biennially, in Phoenix and Tucson metro areas only, depending on age and type of vehicle. [28]California – biennially for all vehicles from out-of-state, regardless of age; and all vehicles made after 1975 which are more than six years old in all or some zip codes in 41 out of 58 counties.

  5. Need to visit PA DMV? Here's how to avoid a line in ... - AOL

    www.aol.com/visit-pa-dmv-heres-avoid-100213693.html

    PennDOT states that non-United States residents who are lawfully in the country and want a REAL ID driver's license or identification card are required to bring other documents listed on the ...

  6. Department of motor vehicles - Wikipedia

    en.wikipedia.org/wiki/Department_of_motor_vehicles

    Duties of the DMV include enforcement of state and federal laws regarding motor vehicles. Many departments have sworn law enforcement officers who enforce DMV regulations that are codified in state law. In North Carolina, for example, the DMV contains an element known as "License and Theft." Stolen motor vehicles are tracked down by "Inspectors ...

  7. Check engine light - Wikipedia

    en.wikipedia.org/wiki/Check_engine_light

    The light generally [3] has two stages: steady (indicating a minor repairable fault, but service on the vehicle is strongly recommended as soon as possible to prevent future damage) and flashing (indicating a severe fault and an emergency that makes the vehicle unsafe to drive and it is strongly recommended that the vehicle gets mechanical ...

  8. DMV services disrupted nationwide over system outage - AOL

    www.aol.com/news/dmv-services-disrupted...

    In a 2:53 p.m. ET update on X, the office said that "it is once again serving Coloradans after a technical issue that caused nationwide outages was successfully resolved" and that "All DMV ...

  9. Unified Diagnostic Services - Wikipedia

    en.wikipedia.org/wiki/Unified_Diagnostic_Services

    The Service ID (SID) and the parameters associated with the services are contained in the payload of a message frame. Modern vehicles have a diagnostic interface for off-board diagnostics, which makes it possible to connect a computer (client) or diagnostics tool, which is referred to as tester, to the communication system of the vehicle.