GM: INFORMATION CONCERNING THE CONTROL MODULE PART SERVICE NAME OF SOME 2014 MODEL YEAR VEHICLES. THE COMPONENT PART SERVICE NAME CHASSIS CONTROL MODULE IN PUBLICATIONS AND SERVICE TOOLS. MAKE/MODELS INCLUDE BUICK/ENCLAVE, CADILLAC/CTS COUPE/WAGON/ CTS-V/ ESCALADE, CHEVROLET/EXPRESS/IMPALA LIMITED/SILVERADO 2500-3500 HD/ SUBURBAN/TAHOE/TRAVERSE, AND GMC/ACADIA/SAVANA/SIERRA 2500-3500 HD/ YUKON/YUKON XL. *JS