Resolved - I always try to close out my help requests, even when it's a problem I caused. I looked at the wiring diagram and saw that all three no-comm modules (SRS, UEM and DDM) were on low speed CAN. So, I started troubleshooting the CAN circuit starting with the SRS connector that I had disassem...

As stated in the subject, my 2009 Volvo. S80 is unable to communicate through the O. B. Report it shows power. My battery went bad and now it's showing every. System needs service on the dashboard. I tried having a new c. E! M put in and that didn't remedy the issue. The dealership now wants to char...