This Preliminary Information communication provides information to the technician with the steps to diagnose and repair vehicles that have a Supplemental Inflatable Restraint Malfunction Indicator Lamp on and a Driver Information Center message. Technician will find there are no Diagnostic Trouble Codes set. Technician will need to build the vehicle at a 2010, Ld Trk, MPV, Incomplete, Chevrolet Truck (must build as Chevrolet Truck), and ?L? Product Line. Now technician should be able to go into Body then Supplemental Inflatable Restraint. No will be able to re Diagnostic Trouble Codes.