Originally Posted by tongzilla

My power running boards had stopped working so I replaced them with the factory permanent boards. The removal and installation went smoothly. However, now my Blind Spot System is no longer working. I took the truck to my dealer and my technician said he could not communicate with the Blind Spot Modules. Did I do something? When I removed the boards, I had to remove the running board module. I just couldn't imagine these 2 features are related. The dealer said it may need both modules - almost $2K!!! Please help!! I also can't imagine both modules are bad at the same time.