OBD 服务
- Dcm 应支持以下 OBD 服务
| SID | Description | 服务描述 |
| 0x01 | Request current powertrain diagnostic data | 请求动力系统当前的数据 |
| 0x02 | Request powertrain freeze frame data | 请求冻结数据帧 |
| 0x03 | Request emission-related diagnostic trouble code | 请求排放相关的 DTC |
| 0x04 | clear/Reset emission-related diagnostic information | 清除排放相关的故障信息 |
| 0x05 | Request oxygen sensor monitoring test results | 请求氧传感器的检测结果 |
| 0x06 | Request On-board monitoring test results for specific monitored systems | 请求指定监控系统的测试结果 |
| 0x07 | Request emission-related diagnostic trouble code during current or last completed driving | 请求当前或上一驾驶循环检测到的排放相关的故障码 |
| 0x08 | Request control of on-board system, test, or component | 请求控制在线系统或组件 |
| 0x09 | Request vehicle information | 请求整车信息，比如VIN码，标定ID 标定校验 ID ECU 名称 IPT 等信息 |
| 0x0A | Request emission-related diagnostic trouble code with permanent status | 请求排放相关的永久 DTC |
