The C1162 Code helps to solve the car engine problem and if the meaning of the code is unknown, you cannot solve the problem easily. The general meaning of the code is not important for solving the car engine problem. You should keep studying the genuine meaning of the code. The automobile meaning of the this code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 1 for Transmission. 6 for Control Module Throttle Actuator Position Performance and 2 for A/C System High Pressure High Temperature. A test drive is recommended for checking the engine.