Hi everybody, welcome to the channel. My name is Scott and today I'm going to be showing you how to check and clear the codes out of a later model C4 Corvette. Okay so if you have a 90 through 95 Corvette, your connector is probably going to look like this. In 96 they change it to ODE2 so it'll look a little bit different and the testing procedure is a little bit different for that but this will actually allow you to use the digital dash where your speedometer is at to be able to get the codes rather than having to try to jump this like in the older ones and from 84 up until I think it was 89 they had the old the digital dash, the LED dash and so it only had the the check engine light itself and you had to use that by pulses of a light. So this is a little bit easier to do but what I'm showing you here is that I've just taken a paper clip and I've jumped the very bottom left terminal and the very top right terminal and what that does that puts it in a diagnostic mode. So then when you come up here and turn the key on without starting it it'll actually run it through its core. Okay so once we've got the jumper set down below with the paper clip you're going to come up here and you're going to turn the key on and you're going to see that it's going to go into diagnostic mode and it's going to report a C12 and then there's a line below that. That's if there's nothing in that particular section of the computer and you'll have the three lines. Then you go to the next one and it has an H16 code which I will tell you about a second. It's cycling through all of its different computers and that's going to be the only one that it's going to find. Okay now it's come up to the 1.0 so it's done checking. So now over here I'm going to use the triple-dometer and if you can see that it's moving from 1.2 1.3 these are all subsections of the computer so if there is a problem it would let you know. Now here is 1.7 this is the erase mode. This is where if you've made some changes you fix something and now you need to get the codes cleared you want to do that so you can just make sure you've got everything fixed. So to do that we got up to the 1.7 and now we're just simply going to hold the metric or English metric button down for a second until we get the three lines across there. That means that we've cleared the codes. Then at that point we're going to press and hold the trip button and that's going to get us into the next computer and then again we're going to hit the triple-dometer button and it's going to cycle through until we get to 4.7 and then we're going to hit the English metric until we get the three lines. Now we're going to hit the trip button again and that's going to put us into the nine computer. We're going to hit the triple-dometer and we've got to 9.7 and now we're going to hit the trip or the English metric button again and that's clearing everything in the computer until we got everything is cleaned out. Okay so we're going to test it now. Now that we've cleared the codes and the only one that we should get would be the age 16 and that will be coming because of the because I have a aftermarket Magnus Park system in the car. The person that had the car before me did not replace it with a genuine GM Park and apparently it sends a from what I've read. It puts out a special signal to the computer to let it know it's genuine. I don't know how many different ones. I'm sure there's aftermarket ones that work just perfectly. I don't have any other issues with the car so it doesn't really matter. It doesn't trigger a check engine light or anything like that so the only time I ever see it is when I'm in the diagnostic mode like this. So anyway so what we've done is we've got we've cleared the codes we see that it's all clear. We're going shut the engine shut the key off we're going to remove the jumper and then I'm going to go ahead and start the car and see if we've cleared our problem. Now starting the car it's like like you normally do. Let's go wait our 10 seconds to the end of that ends up in the case. We've got more work to do but otherwise I think we've got to get it. It pretty much looks like it's all taken care of because burn like a kitten is running fine the light didn't come back on so I think we're good. If you liked the video that you saw today please hit that subscribe button hit that like button and hit the bell so you'll be notified of our next uploads. Thanks for watching and we'll talk to you later.