Messages Editor: Message Fields

Table 1 lists all available fields in the Messages Editor. The Network selection determines which of these fields are displayed at any given time. For more detail, please click on each field title.

Table 1: Available Message Fields in Messages Editor

Field	Network	Short Description
Key	Any	Unique number assigned by Vehicle Spy to the message. This field is read only.
Description	Any	Text description of the message.
Type	CAN or LIN	CAN - Specifies the Arb ID as Standard 11 bit or Extended 29 bit. LIN - Specifies the message as Master, Slave, or Break Only.
Arb ID	CAN	Arbitration ID for CAN messages.
PT, Trgt, Src	J1850 VPW 3 byte hdr ISO9141 / Keyword J1850 PWM	Priority/Type, Target, & Source bytes for some types of networks.
ID	J1850 VPW 1 byte hdr LIN CGI	The one byte message ID for some types of networks.
Multi	CAN	Determines if the CAN message is multi-frame and follows the ISO15765-2 or J1939 specifications.
Checksum	LIN	Selects the Classic or Enhanced checksum type for LIN messages.
DLC / Len	CAN or LIN	Expected length of the CAN or LIN message in bytes.
Data Bytes B1 - B?	Any	Data bytes of the message. Number of data bytes depends upon the network.
Src Node	Any	Source Node (or ECU) assigned to the message.
Tx Message	Any	Allows you to associate a receive message to a transmit message for auto response, transmit on change, or signal linking.
Color	Any	Determines the color of the message in the Messages view.