The star connector on the CAN C BUS will start to have communication problems with the all the systems on that star connector approximately after about 15 to 20 min after driving. Systems that were constantly going in and out were the front and rear parking sense, ABS and traction would go out. Service shifter message, caused the transmission to up shift while driving at a constant speed. After getting a check engine light, I hooked up my code reader and had a code for the park sense control module. I proceeded to replace that module and was unable to get the code to go away. Upon further investigation, I found a history code for the CAN C BUS PERFORMANCE code and researched on this topic in the forums with other owners of the same truck and looked for any maintenance for this topic as well. These owners would have the same problem that my truck was having and the dealerships were unable to pin point the malfunction of all these systems. I did find video of an owner that had the same problem as my truck and he was able to pin point the problem down to the star connectors. The star connector would slowly over time while the vehicle was on would slowly take on more power then it was supposed to and overload the star connector. Upon learning about the star connectors, I learned how to replace them and after I replaced the star connectors for the exterior and interior components of the vehicle, everything went back to normal. I do still have the star connectors that were taken out incase I wanted to get them tested for the same issue the other guy found out