Ominatrax isnt reading truck movement

06 9400i isx 14.9 435hp 13 speed. Have had 3 shops look at truck no one has helped paid 668.00 they replaced one ground connector. Insight reads everything its supposed to be able to read speed movement so on so forth.eld rely isnt picking up truck movement to switch to drive 99.9% of the time been off work a week an a half.cant find the wiring problem. Also rear axle,oil and transmission temp gauges dont work. Praying someone can help me figure out what to try???? Yes tried different relay different wire to relay.