The most common cause of being unable to connect to the car is an issue with the ECU, either an internal fault or a wiring issue. MKIV FUSE LIST Top left to right by collum 1. You have a bad windows driver, a extremely common and annoying problem when dealing with USB to com port adapter IC's. Of course, in true LR fashion my CEL went out last night (engine prob misfired a week ago and it just reset) but I'm sure the power issue is still . No Voltage or Low Voltage on Connector. Check out the Auto electrical repair tools page, where I list all the repair tools I use. Generally speaking, the Obd2 Scanner With Live Data cannot connect to your vehicle because the DLC has been damaged or something has interfered with it. They, in turn, signal back so that all the controllers talk to each other. Learn the causes and how to fix them below. Kevin Nicholas is an automotive technician who is a genius at software and hardware-related issues. Copyright By Weekly Tools | All RIghts Researved 2023, As youre reading this article, you might have wondered why your OBD2 scanner wont connect even though it already has power. OBD2 Has Power but Wont Connect: What to Do? For instance, it is a vehicles reporting capability and self-diagnostic function. Blown Fuse. The most common system type is CAN (Controller Area Network). Of course, if you have used this same scanner previously and it worked, then this whole section doesnt apply to you. "turn key to on position". Copyright Rustyautos.com 2019 Virginia, County Cavan, Ireland. If, on the other hand, resistance is lower or higher than expected but not open, then a faulty controller is a likely suspect. Obd2 connection issue | Jeep Garage - Jeep Forum Its known as the handshake. Click to expand. The PCM (Powertrain controller manages engine and transmission) uses basic data like vehicle speed to perform timely fueling or gear change decisions. This, of course, is only possible if you have a good working wiring diagram. Repairing such issues typically necessitates the services of an experienced specialist. Depending on how your CAN network is wired. (The device was tested on 2000 Boxster 986 and works just fine). I tried to connect torque pro with easydiag dongle but it won't connect. Since the third-party tools and accessories can cause issues if not installed properly, you may also want to check the wiring of such accessories if you have them. Heres a pinout of your vehicles DLC you can use to follow along.
The Future starts Here