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2. Scan tool - Wikipedia

   en.wikipedia.org/wiki/Scan_tool

   When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem detected. The code is usually a combination of letters and numbers. DTC codes are read by a diagnostic tool, such as an OBD 2 scanner, which is plugged into the vehicle's diagnostic port. The tool communicates with the ...

3. On-board diagnostics - Wikipedia

   en.wikipedia.org/wiki/On-board_diagnostics

   1988: The California Air Resources Board (CARB) requires that all new vehicles sold in California from 1988 onward have some basic OBD capability (such as detecting problems with fuel metering and Exhaust gas recirculation.) [7] [8] These requirements are generally referred to as "OBD-I", though this name is a retronym applied after the ...

4. This $20 scanner connects to your car's computer system to ...

   www.aol.com/lifestyle/learn-engine-dashboard...

   What is an OBD scanner? OBD stands for "on-board diagnostics." It connects to your car's computer system and can read the internal codes to diagnose problems.

5. ALDL - Wikipedia

   en.wikipedia.org/wiki/ALDL

   It is able to do this by flashing a check engine light on the car's instrument panel and storing the information about a malfunction in its memory. When taken to a service center, the ECM uses this same light to "talk" to the mechanic through a flashing code that indicates where the problem is. On Cadillacs, the proper code is digitally displayed.

6. Škoda's App Can Diagnose Car Problems Simply by Listening - AOL

   www.aol.com/news/kodas-app-diagnose-car-problems...

   A mix of AI and a sound library in an app can detect issues with more than 90% accuracy.

7. 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.