The engine B1727 Code has meaning and the meanings of the code differs from the car to car. That is why, knowing the dictionary meaning is 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. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 7 for Cruise Inhibit Control Circuit. The body of the engine has the main problem and fixing the body of the engine is very easy. You have nothing to worry if you transferred the car to professional.