On-Board Diagnostics-II (OBD-II). Questions usually involve scan tools, their use and their compatibility, as well as how to interpret Diagnostic Trouble Codes (DTCs).

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using OBD II how can i detect an accident with airbag

i need help with c++ program, if either the airbag is triggered or the deceleration detected is greater than 5 Gs, we consider that an accident occurred. The vehicle decides to ask nearby by sendig ...
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Does OBD II explicitly or implicitly include forward/reverse information?

From my understanding, OBD II does not directly tell if a car is in forward or reverse gear. I wonder what the best way to derive such information from OBD data if there is any. Following the ...
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Mercedes Atego OBD2 live data codes

I have tried to connect an OBD2 ELM327 adapter in Mercedes Atego. Somehow I managed to get it in that OBD2 connector. I can see that my adapter is receiving electricity. These are the PID's that I ...
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What is the OBD-II drive cycle for a 2003 Toyota Corolla?

This site includes a post with the specific drive cycle that resets the OBD-II monitors on several 2000-2002 Toyota vehicles. What does the drive cycle look like for a 2003 Toyota Corolla?