Thanks guys. I will break out the multimeter and check the k line. I will also be building the obd2 tester this week as well. Hopefully it isn't a broken k line! Would that require a new ecu or will it be a different wire in the car somewhere?

I'll give it go this week and see if I can get a read out that way. I'll report back. That's guys.

I also had autozone try to read the code and it didn't work. Would a cheap elm127 reader work? Also, thread on a homemade? Do you mean the one with wire, switch and an led?

I had I had someone look at my car with what must have been some Volvo software. It had boxes for any computer he wanted to loom at like abs, trans or what have you, but the ecu was grayed out and couldn't click on it. So I'm assuming the obd2 port works, but I'll have a look at it just in case.

Hi there, first time posting I do believe. Bought the car last November or so and still working my way through bring it back to stage 0. Sadly it was pretty poorly taken care of. A problem I've had since owning it is that I can't communicate with the obd2 port. I've tried autozone, someone with a se...