Hi Hui,
I'm afraid there's no FlexRay module on this device.
If FlexRay is needed, take a look at MPC57xx devices like MPC5744P, MPC5748G, MPC5746C, MPC5777M (or their derivatives):
https://www.nxp.com/products/processors-and-microcontrollers/power-architecture/mpc5xxx-microcontrol...
Notice that drivers for FlexRay can be found only in Autosar MCAL. There's no support in SDK.
Regards,
Lukas