SOURCE: emission test failed code86
check your exhaust valv and as for not being able to connect to OBD system, check all of your fuses.
I think you mean drive cycle not complete.
Generally the van needs to be driven 50-100 miles at both city and highway speeds. The distance needs to start when the engine is at operating temp, and the speed needs to vary including stop and go city. It does not have to be all in one trip but the engine must be warmed up first.
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