Maybe this will help..?
https://www.matthewsvolvosite.com/forums ... =1&t=76294

I just did the same thing yesterday, but I replaced it with one from Midwest ABS. Per the Troubleshooting page on their site:
https://www.midwest-abs.com/Troubleshooting.php

"AFTER INSTALLING. You will have to drive the car to reset the ABS/TRACS/STC lights. Depending on the car, the system does a ...