The C1144 Code is important thing and removing the problem from the car engine is according the real meaning of the code. The automobile meaning of the code is found online and it is not important thing for solving the car engine problem. The meaning of the engine code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 1 for Transmission. 4 for BBV Sensor Circuit Low Voltage and 4 for Cruise Vehicle Speed or Set Speed Difference Too High. The C1144 engine code seems a kind of chassis problem what is easy to fix.