The B1305 Code appears for the error of the engine and for solving the problem of the engine it is necessary to know the meaning of the code. The engineer needs to know the model and manufacturer of engine along with reading the manual is also important thing for solving the problem of the engine. From the B1305, it is understood that the body of the engine has a problem. The meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 3 for IC Module 4X Ref Circuit Intermittent, No Pulses. 0 for IC Circuit High Voltage and 5 for Park and Neutral Position Switch Circuit Engine Torque Signal Circuit.