I need to share this 2001 S80 door lock re-opening experience: After 2 years of annoyance and assuming loor latch fault(s) , picked up a hint on a forum that it could be the computer outsmarting itself. -- basically it said that if the computer "remembers" a state of "unlock"; af...

Even though it checked OK, still sounds like limp home mode from ETM. We had intermittent ETM issues on S80 & S60, both at about 80-100,000 km, (50,000 -62,500 miles. in each case Xemodex exchange fixed issue. On the S60, after fitting needed computer reset on VADIS.