The B1739 Code is related with the car engine and you have to know the meaning of the code for solving the problem of the car. The dictionary is important thing but knowing the manufacturer name and model number of the car are also necessary. 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 means Cruise Control Servo Indicates Low and 9 for Kick-Down Switch Failed Short. You can easily solve the problem of the engine easily.