Chassis Control Module (Trailer Brake Controller)

Bill Technician Rosetown, Saskatchewan Posted  
Case Study
GM Truck Tech Chat
2017 Chevrolet Silverado 1500 LT 5.3L (C L83 Flex) 6-spd (6L80)—3GCUKREC7HG365236
U0137 - Lost Communication With Trailer Brake Control Module

A quick case study. I like to write little reminder details in pics to keep it simple, quick and serve more purpose than just the silver bullet. (Which it is there to remind me as well)