Method and system for uploading and downloading engine control data

A method and system (10) for transmitting engine control data to or from the engine control unit (14) of an engine (12). The system (10) includes a local communication unit (36) capable of establishing a wireless communication link (38) with a remote communication unit (34) and a link for transferring data between the local communication unit (36) and the engine control unit (14). In operation, a wireless communication link (38) is established between the local communication unit (36) and the remote communication unit (34). Engine control data is transferred between the local communication unit (36) and the engine control unit (14) and transmitted between the local communication unit (36) and the remote communication unit (34) via the wireless communication link (38).