Great thank you SopVlr
I was able to sniff the CAN messages with an ESP32 + CAN2515 (ACAN2515 library).
As you said, message 553 (0x229) contains this info I needed.
For the RF 433MHz, I used a CC1101 bought on Aliexpress and used the library SmartRc-CC1101.
For the recording, with the...