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Old 02-02-2020, 07:28 AM   #2
Scooby Newbie
Member#: 492422
Join Date: Oct 2018

Pretty much anytime the battery is reset or dies the OBD readiness monitor status will reset. On other cars, when clearing faults or codes, the ecu it will also do this. Id like to say Subaru would be no different but not 100% sure. Either way getting readiness monitors to set is tough. There are certain specific precedures and specific drive cycles that have to be followed in sequence to set certain monitors to ready. Usually the best advice is to just continue driving the car.

Here is something i found doing a quick google search. I dont know how accurate it is but it may help. At this point, you have nothing to lose.
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Jay11STI is offline   Reply With Quote