Quote:
Originally Posted by danchee
One thing to note is that when the coding is done, it clears all fault codes (I don't know if it is only the codes associated with that ECU or all ECUs). If there's a fault code needed to troubleshoot an issue, reverting to stock would clear that code and the dealer won't be able to diagnose. Something to keep in mind.
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If the fault code really represents a problem with a component, it will come back shortly after you clear it (if not instantaneously depending on the situation). So I would not use that as a reason not to code something....