The engine C1447 Code is helpful for solving the car engine. Do not drive the car until you fix the car engine. You will get the general meaning from the online and do not follow the meaning. The automobile meaning of the code is c for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 4 for Transmission. 4 for BBV Sensor Circuit Low Voltage and 7 for Cruise Inhibit Control Circuit. Do not drive the car until the car engine is fixed. It is easy to fix the chassis problem from the engine.