Yes, this is what it turned out to be. I had to both remove and replace the radiator and intercooler together. I found out if I remove both together, they clear the wire loom at a higher point where the loom is both more flexible and has more clearance for what is coming out.
And doing it alone, the ...

I am (attempting!) to replace the radiator on my S60. I'm doing it alone, also I'm attempting it without removing the intercooler, if either of these makes a difference. I've just about got the old one out, but I can't figure out how to get things past the wire loom on the passenger side.
I located ...

There is also a fuse panel inside the car that might be the issue.

https://www.matthewsvolvosite.com/forums ... =9&t=74178

Are you thinking of the notorious ETM problem that plagued the 2001 P2s?:

https://www.matthewsvolvosite.com/forums/viewtopic.php?f=12&t=5694

Mine is an '06, so I haven't followed this closely. Apparently, there is a way to check if yours has been changed...white vs yellow label on the ETM, or ...

Matt,

I want to say thanks to you for being here also. This is a wonderful site, a wealth of experience, and so many experts willing to freely share their (hard earned) knowledge and experience. The detailed write-ups are amazing. It was this site that gave me the confidence I needed to dive back ...

Go to the top of the S60 forum page and search for "adaptive" and "fluid counter". This will give you several posts describing and discussing one, the other, or both. E.g., https://www.matthewsvolvosite.com/forums ... =9&t=56002.

My car is a little different under the hood than yours, so I am not 100% sure, but I believe that is the switch to the brake booster vacuum assist pump. If it is, you're certainly missing a few parts.....

https://www.matthewsvolvosite.com/forums ... =9&t=43817

HTH.

Jeff

While I can't offer much in the way of specific technical support, I've been following this forum for some time now, and, FWIW, my impression is that this may not have been properly diagnosed.

We almost never see wholesale ECM failures, although I am sure it does happen. To properly diagnose many ...

+1 ^

To pads, I would add Wagner, to rotors I would add Bosch.