Thanks for the advice on cleaning, checking wiring etc which I plan to follow first. I have a fair amount of diy repair experience, but first foray into Volvo. If I end up having to put in a new TCM, it looks like the procedure will require tool 9997262. Fortunately this is an extra car for me and I...

Thanks, will check wiring and connectors for issues before going for replacement. Will have to repair this as it’s been a great car.

I own an 2012 XC90 that is having starting issues. In November 2018 it would not start. Towed to dealer and they stated the Transmission Control Module was offline. It was rebooted and was back online and vehicle started and ran fine. Dealer note said they did not see any reason for TCM going offlin...