CollinK - Thank You! I'm going to give that a try .

CollinK - Reading your answer a few times... is it possible to send the whole Can message in binary to the PC and decode it later.

Thank you both !! I'm testing with faster serial speed and results are better. Only loosing every 5th line but also sending a lot of extra data that is not needed. Once I get the serial data down to a minimum, I hope I will get all the messages.
Thanks again !!

I'm over 65 and have never worked ...

After trying for 2 months first with Ardunio Uno and Can Shield, ( same problem) I'm not sure of anything....
But -

I have tried Ardunio Serial Monitor set at 1,000,000 and receive garbled data so for sure 1,000,000 is too fast for my PC.
At 500,000 I do not get any garbled data. As in the sample ...

Hi - I am a complete newbie to ESP32. Please HELP !
My task has been to capture on an Chrysler Automotive Can Bus.
I am able to monitor messages on the bus. I use a diagnostic tool to initiate a "dump" of data and the ESP32 to monitor the packets.

Problem is - some of the message packages are ...