OBDII & J1939 Diagnostic Interfaces
My rig has both diagnostic interfaces and I assume many others do as well. The standard 16 pin OBDII connector on my Workhorse Chassis supports J1850 VPM protocol. Anyone know if the J1939 9-pin ...
Forum Discussion
The OBDII system if for the engine and other vehicle related devices. I don't know about the 9 pin round connector. What problems are you having?
