The B1458 Code is not actually identical and this code is found in different engines of cars what is related with the model and manufacturer. It is necessary to get the dictionary meaning for solving the problem. The dictionary meaning is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 4 for Transmission. 5 for TP Sensor Learn Not Complete and 8 for PCM Stack Overrun. From the problem code, it is found that the problem seems on the body of engine and it is not necessary to change any component of the engine.