Update, I wanted to check the HCM and found lots of water on the drivers side footwell. Tracked it back to the drain on the A-pillar had disconnected. The HCM connector was basically in water. There was another connector in the area that had corrosion. I took the connections apart, sprayed them with...

One more data point to add... I can see all live data from the rear electronic module. This is bizarre to me since the wiring diagrams indicate the OBDII interface goes through the CEM to all of the other modules. How can I see live data on all the other modules and not see it on the CEM? Also, I no...

Hi All, Help! I am new to this forum. I did some searching but didn't find anything that answered my questions. My daughter's XC90 has been acting up with symptoms that are listed in other posts about the CEM. It has been giving the Anti Skid Service Required warning, Brake failure, etc. and then pr...