The meaning of the C1139 Code is necessary to know and you should not solve the car engine if you do not know how to fix the car engine. The general meaning of the code is not helpful for solving the car engine. The general meaning of the code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 1 for Transmission. 3 for Cruise Control Servo Indicates Low and 9 for Kick-Down Switch Failed Short. Do not use any false information for solving the car engine and you should rely on the expert and appropriate information.