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I assume you mean the monitors were not set and thats why it failed??? was there any recent work performed that you re set or cleared the codes???
has a drive cycle been performed to verify the repairs???
a drive cycle can be done in a hour or so of driving. I do it all the time and it works as long as there are no other failures.
who told you it takes a week???
a drive cycle is a very specific way of driving the truck to get the monitors to set. just driving like you normally do will rarely set all the monitors,. it takes a trained tech to take it for the drive cycle and put it through all the steps to make the monitors run. it is well worth the 1 hour in labor to let someone set them for you.
it would be much easier to talk you through it than do it in this forum.
good luck. the charge for doing the drive cycle will be much more than that