https://docs.emtronaustralia.com.au/engine-management/config/communications/predefined-tx-set-1/index.htmlAll 16 bit values have low byte transmitted first by the ECU. Sequential addressing is used. All parameters are transferred in the units defined inside the ECU. These can be rescaled if required by the receiving device. Custom Packet 1 contains 10 Message Objects each with a different sequential address. This can be selected on CAN1 or CAN2 and on any of the 6 channels within that CAN node. In total the Custom Packet 1 transmits 40 parameters on one CAN Channel.Hugoen-us