On the basis of the analysing,the actual engineering requirements and the available solution of online updating ECU application software,one new CCP-based online updating ECU program software mechanism is presented.

• 在分析工程实际需求和已有在线更新电控单元应用程序方案的基础上,提出了一种新的基于CCP(CANCalibrationProtocol)协议的在线更新电控单元程序的软件机制。