The B1909 Code has a meaning and it is necessary to get the real meaning of the code for solving the problem from the car engine. The dictionary meaning of the of the code is not so important but you will get some guideline for 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. 9 for Fuel and Air Metering. 0 for IC Circuit High Voltage and 9 for Kick-Down Switch Failed Short. It can be identified that the body of the engine has the main problem and it can be fixed at cheap rate.