NEXAS NL102P Car Truck 2 in 1 Auto Diagnostic Tool OBD EOBD Automotive Scanner Engine Fault Code Reader + HD OBD DPF Oil Reset. The NexLink NL102PLUS HEAVY DUTY diagnostic scanner from NEXAS supports all heavy duty trucks in compliance with standard protocols ( J1587，J1939 and J1708), and also 10 modes of OBD tests for a complete diagnosis and battery power monitor of.