Can fd

[samsami]

Turn on 3/5V on the adapter... ok
CANFD Adapter Connect... ok
CANFD Adapter FW version... v1.4
Checking security... ok
Test connection CAN1 -> CANFD... failed
Test connection CANFD -> CAN1... failed

[AST_Support]

Did you connect CANH to CANFDH and CANL to CANFDL as shown in the picture?

[samsami]

CANFD Test
--------------------------------------------------------
Turn on 3/5V on the adapter... ok
CANFD Adapter Connect... ok
CANFD Adapter FW version... v1.4
Checking security... ok
Test connection CAN1 -> CANFD... ok
Test connection CANFD -> CAN1... failed
i try so many times one fo can is okey

[AST_Support]

Change your connection wires.
Try to make a twisted pair for a better connection.

[samsami]

[AST_Support]

Take a picture of CANFD adapter from the other side.

[samsami]

[AST_Support]

Did you change the CANFD driver? I don't see any letters on it.

[samsami]

no bro,, i just resolder and clean so many times mybe same pins cat or not ok that all

[AST_Support]

The CANFD adapter is damaged.
You can try to replace the CANFD driver with a new one or order a new CANFD adapter from the store.

[samsami]

pls can share link fon CANFD driver

[AST_Support]

Chip - MCP2562FDT. You can buy it at any electronics store.

[samsami]

thanks for support after change driver work agian