I have compiled a short list of some of the most relevant technical service bulletins, TSBs, relating to issues with the 6.7L Powerstroke engine. Article numbers have been provided allowing you to search the internet to find direct links to these articles. I can not directly link these articles to my TSB list I have access to.
13-6-5 - P401 EGR Cooler Replacement
15-0021 - Multiple DTC Possible, Reprogram PCM prior to diagnosing...
15-0116 - P2808E, P20E8, P218F, P204F Codes Reductant Injectors
15-0042 - NoX Sensor Replacement for P207F, P20EE, P2200, P2201, P2209, P164a