The B1302 Code is important code for diagnosis of the engine. It is necessary to know about the code to solve the problem. The solution of the engine is possible in your place if you have all necessary items and machines. It is better if you give the work to professional if you cannot solve the problem at place. The B1302 Code has various meanings what is related with the model and manufacturers of the car. 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 2 A/C System High Pressure High Temperature.