The general meaning of the C1133 Code is available online but it is not necessary to use for solving the car engine. Chassis of the engine has the problem and it is easy to fix. 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 3 for Transmission Control Module Reprogrammable Memory. The car C1133 engine code looks a kind of chassis problem. You need to use machines and experience for solving the car engine problem.