Posted by Mark Robke on March 05, 2020 at 08:18:10 from (69.40.116.199):
In Reply to: Farmers v. JD posted by Dean on March 05, 2020 at 05:48:52:
I agree with Ken(below), on this issue. I worked for a major truck leasing company for 40yrs. They trained us when computer controls came out. They told us that they were influential on getting common diagnostics on trucks, especially the diagnostic connecter port. We had access to all manufacturers' diagnostic software-DIAGNOSTICS ONLY. We had access to all of the fault code diagnostic fault trees. We could change some things, like idle shut down times, or road speed, up to a limit. Or shut down with low coolant or change to a derate or warning. But derates by fault codes for emissions could not be changed unless it was factory programed as an emergency vehicle. Horsepower could not be changed-it would void warranty. And makes you suspect in the future, if you are caught. Farmers should be able to access the diagnostics, and the repair info. But, it is very complicated: to know how to repair really requires an understanding of how the system works. Just clearing a code does not fix anything-it just prolongs the inevitable repair. And emission controls are the hardest to diagnose, many are intermittent or can only be duplicated under certain conditions. That said-if clearing a code gets you back to the harvest or planting, it might be the best option at the time. Mark.
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