Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
I can give you some diagrams here.
Can you tell what your problem is, and I'll see if I can help you?
Ok, come back if you need further info.
Do you need any further help?
I hope my advice has been of assistance to you.
You are welcome.
Hopefully you will get the answer you are after.
The high speed CAN-BUS goes straight through the EBCM while in the car.
Out of the car, I would say the EBCM is logging codes for unable to communicate with all the other high speed modules, ECM, TCM, etc.
I really don't think you will get anywhere with what you are doing.
Diagnosis in car is straightforward.
Can tell me the DTC code you had in the vehicle?
And I will help you.
I don't know how they do what you need to do.
I normally diagnose a fault like this in car.