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2. OBD-II PIDs - Wikipedia

   en.wikipedia.org/wiki/OBD-II_PIDs

   VIN Message Count in PID 02. Only for ISO 9141-2, ISO 14230-4 and SAE J1850. Usually the value will be 5. 02: 17 Vehicle Identification Number (VIN) 17-char VIN, ASCII-encoded and left-padded with null chars (0x00) if needed to. 03: 1 Calibration ID message count for PID 04. Only for ISO 9141-2, ISO 14230-4 and SAE J1850.

3. Electronic control unit - Wikipedia

   en.wikipedia.org/wiki/Electronic_control_unit

   An ECU from a Geo Storm An electronic control unit ( ECU ), also known as an electronic control module ( ECM ), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle .

4. Unified Diagnostic Services - Wikipedia

   en.wikipedia.org/wiki/Unified_Diagnostic_Services

   Each value is associated to a Data Identifier (DID) between 0 and 65535; for example, the VIN DID is 61840d (0xF190). Normal CAN signals are meant for information that some ECU uses in its functionality. DID data is sent on request only, and is for information that no ECU uses, but a service tool or a software tester can benefit from. 0x23 0x63

5. Engine control unit - Wikipedia

   en.wikipedia.org/wiki/Engine_control_unit

   An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine. Systems commonly controlled by an ECU include the fuel injection and ignition systems.

6. What is a Vehicle Identification Number (VIN)? - AOL

   www.aol.com/finance/vehicle-identification...

   A VIN — or vehicle identification number — is a 17-figure sequence of numbers and letters exclusive to your vehicle. It’s used by entities like the Department of Motor Vehicles, your auto ...

7. Vehicle identification number - Wikipedia

   en.wikipedia.org/wiki/Vehicle_identification_number

   VIN on a Chinese moped VIN on a 1996 Porsche 993 GT2 VIN visible in the windshield VIN recorded on a Chinese vehicle licence. A vehicle identification number (VIN; also called a chassis number or frame number) is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds, as defined by the ...