The menacing of the C1506 Code is available in different types and an automobile manufacturer has put a meaning of the code what is linked with the car model. Do not use automobile meaning or different meaning of the code from other car manufacturer. The right meaning of the code is associated with the car model also. The code seems a kind of chassis problem and this problem is not very difficult to solve. 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.