The real meaning of the car engine C1449 Code is necessary for solving the car engine. It is necessary to get the real meaning of the code. 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. 4 for Transmission. 4 for BBV Sensor Circuit Low Voltage and 9 for Kick-Down Switch Failed Short. The lifters can be distorted by disengaging an inner locking pin. The locking pin is detached using solenoids to change oil compression fed into the lifter. When the car engine is fixed, then take the car for a test.