The B1730 Code seems when the car is analyzed and you cannot resolve the car problem if you do not have all essential belongings or machines for solving the problem. Many expensive machineries are important thing here for solving the car engine problem. From the dictionary meaning, it is found that the code has started with B and as the problem code is started for the body of the engine, it is easier to solve the problem. The dictionary meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific 7 for Auxiliary Emission Controls. 3 for Cruise Control Servo Indicates Low and 0 for Transmission Engaged At High Throttle Angle.