一、UDS UDS,UNIFIED DIAGNOSTIC SERVICES,它是汽车诊断的核心,常用的UDS服务SID如下: OBD2_MODE_SHOW_CURRENT_DATA:0x01 OBD2_MODE_SHOW_FREEZE_FRAME:0x02 OBD2_MODE_READ_DTC:0x03 OBD2_MODE_CLEAR_DTC:0x04 OBD2_MODE_TEST_RESULTS_NON_CAN:0x05 OBD2_MODE_TEST_RESULTS_CAN:0x06 OBD2_MODE_READ_PENDING_DTC:0x07 OBD2_MODE_CONTROL_OPERATIONS:0x08 OBD2_MODE_VEHICLE_INFORMATION:0x09 OBD2_MODE_READ_PERM_DTC:0x0A OBD2_MODE_ENHANCED_DIAGNOSTIC_REQUEST :0x22 UDS_SID_START_DIAGNOSTIC_SESSION:0x10 UDS_SID_ECU_RESET:0x11 UDS_SID_READ_FREEZE_FRAME_DATA:0x12 UDS_SID_READ_DIAGNOSTIC_TROUBLE_CODES: 0x13 UDS_SID_CLEAR_DIAGNOSTIC_INFORMATION:0x14 UDS_SID_READ_DIAGNOSTIC_TROUBLE_CODES_STATUS :0x17 UDS_SID_READ_DTC_BY_STATUS:0x18 UDS_SID_READ_DTC_INFORMATION:0x19 UDS_SID_READ_ECU_ID :0x1A UDS_SID_STOP_DIAGNOSTIC_SESSION:0x20 UDS_SID_READ_DATA_BY_LOCAL_ID:0x21 UDS_SID_READ_DATA_BY_COMMAND_ID:0x22 UDS_SID_READ_MEMORY_BY_ADDRESS:0X23 UDS_SID_READ_SCALING_DATA_BY_IDENTIFIER:0x24 UDS_SID_STOP_REPEATED_DATA_TRANSMISSION:0x25 UDS_SID_SET_DATA_RATES:0X26 UDS_SID_SECURITY_ACCESS:0X27 UDS_SID_COMMUNICATION_CONTROL:0x28 UDS_SID_READ_DATA_BY_PERIODIC_IDENTIFIER:0x29 UDS_SID_READ_DATA_BY_ID_PERIODIC:0x2A UDS_SID_DYNAMICALLY_DEFINE_LOCAL_ID:0x2C UDS_SID_DEFINE_PID_BY_MEMORY_ADDRESS:0x2D UDS_SID_WRITE_DATA_BY_COMMAND_ID:0x2E UDS_SID_INPUT_OUTPUT_CONTROL_BY_COMMAND_ID:0x2F UDS_SID_INPUT_OUTPUT_CONTROL_BY_LOCAL_ID:0x30 UDS_SID_START_ROUTINE_BY_LOCAL_ID:0x31 UDS_SID_STOP_ROUTINE_BY_LOCAL_ID:0x32 UDS_SID_REQUEST_ROUTINE_RESULTS_BY_LOCAL_ID:0x33 UDS_SID_REQUEST_DOWNLOAD:0x34 UDS_SID_REQUEST_UPLOAD:0x35 UDS_SID_ TRANSFER_DATA:0x36 UDS_SID_REQUEST_TRANSFER_EXIT:0x37 UDS_SID_START_ROUTINE_BY_ADDRESS:0x38 UDS_SID_STOP_ROUTINE_BY_ADDRESS:0x39 UDS_SID_REQUEST_ROUTINE_RESULTS_BY_ADDRESS:0x3A UDS_SID_WRITE_DATA_BY_LOCAL_ID:0x3B UDS_SID_WRITE_MEMORY_BY_ADDRESS:0x3D UDS_SID_TESTER_PRESENT:0x3E UDS_SID_NEGATIVE_RESPONSE:0x7F UDS_SID_ESC_CODE:0x80 UDS_SID_START_COMMUNICATION :0x81 UDS_SID_STOP_COMMUNICATION:0x82 UDS_SID_ACCESS_TIMING:0x83 UDS_SID_SECURED_DATA_TRANS:0x84 UDS_SID_CONTROL_DTC_SETTINGS:0x85 UDS_SID_RESPONSE_ON_EVENT:0x86 UDS_SID_LINK_CONTROL:0x87 FORD_REQUEST_DATA_DIAGNOSTIC_DATA_PACKET:0xA0 FORD_DYNANICALLY_DEFINE_DIAGNOSTIC_DATA_PACKET:0xA1 FORD_DIAGNOSTIC_COMMAND:0xB1 GM_PROGRAMMED_STATE:0xA2 GM_PROGRAMMING_MODE:0xA5 GM_READ_DIAGNOSTIC_INFO:0xA9 GM_READ_DATA_BY_ID:0xAA GM_DEVICE_CONTROL:0xAE
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