Quote:
Originally Posted by longshot270
I was reading through posts about how if you do not set your truck back to stock the dealership could really mess stuff up with a reflash. This part I understand. But it got me wondering, if they reflash the truck after it is set to stock, doesnt that change the current hex code? If it does then isnt there going to be trouble with the tunes? I dont really know because everyone I know with a programmer or code reader do their own work and never go to dealerships.
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Yes if it was set back to stock and then got reflashed the tunes would not work, since the hex code would be changed. Then the only fix is for Bill to rewrite the tune(s) for the new hex code.
You can either make sure the service writer know's not to(or puts it on the file) not to reflash your truck without your consent. Or you could put a OBDII cover on that says not to reflash...or hope and pray
