Service Operation Using Service Tool
此维修工具用来与 ECM 间交流以下信息：
- 代码的显示和控制
- 编程
- 管理
- 诊断
- 事件
为了保护机器，维修工具需要出厂密码或具有主访问级别的钥匙才能修改 MSS。
Caterpillar Information System:
Machine Security System Key Information
Machine Security System Service Operation Using Machine Security System
Machine Security System Events
Machine Security System Diagnostic Operation
Machine Security System Key - Program
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