The C1116 Code gives engine information and if you do not get the real meaning of the code, you cannot solve the problem. This code has general meaning but those are not appropriate thing for solving the problem. The general meaning of the code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 means MFG – Manufacturer Specific. 1 is Transmission. 1 for Low Coolant Circuit and 6 for Cruise Control System – Vehicle Accel Too High. Now you need to get the manufacturer information and meaning of the code what helps you to solve the problem.