So we're borrowing that 99 V70 that you may have seen me asking questions about last week. We parked it nose up on a rather steep driveway. When we parked it was running fine. When I turned it back on a few hours later I had the ETS light, the check engine light and it limped around the block back to the friends driveway not exceeding 10mph when going downhill.

In good news, it didn't do this when driving in and out of DC. Driving out was an adventure given that it was rush hour and my directions told me to go south on road that only goes north during rush hour... Anyway. Also good news it didn't break down when I drove 200 miles the day before, all with a baby, toddler and my wife so there are things to be happy about.

This vehicle did have the "Engine/powertrain computer/module reprogrammed" at 101k in 2007. It is now 180k. Do I understand correctly that this isn't covered by the warranty extension since it is limited to 10 yrs from sale?

So given that information, I'm expecting from what I've read that I need to at least clean the ETM and probably replace it entirely. I hear XeMODeX has the best and least expensive part. Is this correct?

Assuming I'm correct, are there any good resources for helping me find and correctly clean/replace this part?

Alternately, are there ways I could get it out of "limp home mode" to see if the issue occurred because of being parked on a steep grade and will come back to working fine for awhile, at least long enough to get it better placed for further work?