OBD On-Board Diagnostic 在线诊断/车载诊断UDS Unified Diagnostic Service 统一诊断服务****DCM Diagnostic Communication Management 诊断通信管理ECU Electronic Control Unit 电子控制单元DID Data Identifier 数据标识符SID Service Identifier 服务标识符RID Routine Identifier 例程标识符DTC Diagnostic Trouble Code 诊断故障码NRC Negative Response Code 错误响应码/否定响应码BS Block Size 字区大小Tx Transport 发送Rx Receive 接收SA Source Address 源地址RA Remote Address 远程地址TA Target Address 目标地址N_PDU Network Protocol Data Unit 网络协议数据单元N_PCI Network Protocol Control Information 网络协议控制信息VIN Vehicle Identification Number 车辆识别号码/车架号码SF Single Frame 单帧FF First Frame 首帧CF Consecutive Frame 连续帧FC Flow Control 流控帧SN Sequence Number 序列号ST SeparationTime 间隔时间BIN Binary 二进制的OCT Octal 八进制的HEX Hexadecimal 十六进制的DEC Decimal 十进制的USN Unsigned Number 无符号数NVM None Valitale Momory 非易失性存储器DoCAN diagnostic communication over CAN 基于CAN的诊断通信CCP CAN Calibration Protocol CAN标定协议UUDT Unacknowledged Unsegmented Data Transfer 非确信不分段传输,即单帧传输USDT Unacknowledged Segmented Data Transfer 非确信分段传输,即多帧传输NVM Non Volatile Memory 非易失性存储ODX Open Diagnostic eXchange format 开放式诊断交换格式SWT Software Watchdog Timeout 软件看门狗超时HWT Hardware Watchdog Timeout 硬件看门狗超时Dword double word 4个字节