When using the TJA1145AFD as a transceiver for CAN FD, The MCU chip initializes the demo using TJA1145 for S32K146.TJA1145AFD Code -- Call the StartupOperation() in the TJA1145FD_Application_Specific_Functions.c file for initialization. After initialization, the relevant status register status is as follows:

CTS bit always disable, CAN_TX is high Level, CAN_RX is low level.
How to set up to enable the CAN emitter?