: Accesses or modifies specific ECU parameters like temperatures, VIN, or sensor values.
(DoCAN), which handles segmented data transfer for messages longer than the standard 8-byte CAN frame. iso 142293 pdf
: It sits on the application layer, ensuring that a mechanic's tool can talk to a car's Engine Control Unit (ECU) regardless of the manufacturer. : It covers Service $27 : Accesses or modifies specific ECU parameters like