Problem to read transmitted data about esp32-obd2-emulator HOT 1 CLOSED

Hello guys, again another amateur mistake.
All connections described above are correct. However, the Vin pin of ESP32 does not provide 5V. It is slightly less than that (4.75V, even less when loaded). I thought it was ok, because we always have a margin of operation on those chips and dismissed the possibility of an error due to the value of this voltage.
Then, after trying hundreds of different approaches to solve the problem, I decided to take a look on MCP2551 datasheet, then I found that the minimum value of the VDD for this particular chip is 4.5V (so we do not have a good margin of operation here). Thus I decided to use an external 5V power supply.
On top of that, since the emulator is near the receptor (aka short line) I plugged a ballast resistor of 120 Ohms between CANH and CANL (on some modules there is a jumper to this).
Now is working like a charm.

from esp32-obd2-emulator.