Make sure there is power at the connector. May be a blown fuse.
Yeah, that's the magic cure for all electrical issues :laugh:If OBD is still not working, clean the ECU negative terminal, which is ground wires tighten on the engine or car body
Was the dealer tool able to communicate with any of the other vehicle systems?Dennie said:dealer tried to connect to obd and they said they could not communicate.
Yes, that's where the CAN BUS wires should be which explains why you have no comms with the engine PCM.Dennie said:Should pins 6 and 14 have cables on a 2015 Hyundai Sonata?.
You might want to ask Red Raspberry to confirm where you are to measure these voltages. They aren't correct for the OBD connector.Dennie said:Red Raspberry: I will check pins 4, 12 and 15 again 1 and 5 and report back on this.