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2. On-board diagnostics - Wikipedia

   en.wikipedia.org/wiki/On-board_diagnostics

   On-board diagnostics. Various views of a "MaxScan OE509" – a fairly typical onboard diagnostics (OBD) scanner, 2015. On-board diagnostics ( OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to detect failures that ...

3. 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.

4. Check engine light - Wikipedia

   en.wikipedia.org/wiki/Check_engine_light

   When the computer detected a fault, it illuminated the MIL. Up until OBDII, on most cars the MIL could output codes. When two pins on the ALDL are jumped, the light would flash the codes, for instance (blink) (pause) (blink) (blink) for code 12. Some manufacturers, such as Honda, retained this feature even after OBDII. The MIL is commonly ...

5. Unified Diagnostic Services - Wikipedia

   en.wikipedia.org/wiki/Unified_Diagnostic_Services

   Unified Diagnostic Services ( UDS) is a diagnostic communication protocol used in electronic control units (ECUs) within automotive electronics, which is specified in the ISO 14229-1. [ 1] It is derived from ISO 14230-3 ( KWP2000) and the now obsolete ISO 15765 -3 (Diagnostic Communication over Controller Area Network (DoCAN) [ 2] ).

6. Crack the code in Do Not Believe His Lies - Engadget

   www.engadget.com/2015-01-15-crack-the-code-in-do...

   The US Department of Transportation has laid out a plan to deploy vehicle-to-everything tech across the country. The aim is to reduce the number of deaths and serious injuries on America's roadways.

7. Powertrain control module - Wikipedia

   en.wikipedia.org/wiki/Powertrain_control_module

   A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined controller consisting of the engine control unit (ECU) and the transmission control unit (TCU). On some cars, such as many Chryslers, there are multiple computers: the PCM, the TCU, and the Body Control ...

8. Motor Vehicle Owners' Right to Repair Act - Wikipedia

   en.wikipedia.org/wiki/Motor_Vehicle_Owners'_Right...

   As automotive technology advanced, computers came to control the vital systems of every vehicle, including brakes, ignition keys, air bags, steering mechanisms and more. Repairing motor vehicles became a high-tech operation, with computer diagnostic tools replacing a mechanic's observation and experience.

9. ELM327 - Wikipedia

   en.wikipedia.org/wiki/ELM327

   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. The original ELM327 was implemented on the PIC18F2480 microcontroller from ...