Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hi there, I am Cam. Can I get your first name please?
Is the check engine light on?
What is the recent history up to his issue?
Ok Jason, this will be difficult then without history. For now, what type of scanner do you have?
Does it look like any aftermarket devices are installed?
With a meter, measure resistance at that data plug. 200 ohm range, pins 6 and 14, pin layout is top left to right, 1-8, bottom left to right 9-14. Key off. What is the resistance?
Sorry bottom row is 9-16 not 14. Please check again.
200 ohm range, not 200K, ideally we are looking for 60 ohms but it could be 120 or 0.
OK so your data line is shorted together. This is going to be a pain. These wires are the data line, twisted pair tan and tan black that run to each module. How are you with reading schematics?
OK so with the schematic, start plugging the modules till you get resistances like I mentioned then look at the wiring between the last one you unplugged and the next one in line.
You mean the EBCM for the brakes?
IF so that is great diagnostics. That means your EBCM is faulty, internally shorted and causing this. Myself I would try manually connecting the tan to tan, and tan black to tan black over the EBCM connector and see if it starts.