I have a 215 Tahoe LT with Max Trailer Package which includes Integrated Electronic Brake Controller. I have towed my Travel Trailer for the past 5 years with no issues with this system. Recently while not towing my DIC has brought up the following message on an intermittent basis " Service Trailer Braking System". When a connect to my trailer it works normally and brakes work as they should. Anyone else having a similar issue?
George