The B1944 Code is important for the automobile engineer to detect the problem of the car engine. Do not drive the car with the car engine problem. You should use manual of the car to get more information of the engine and manufacture or model number of the car. If you want to know the general meaning of the code, you can search it from online. The general 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. 4 for BBV Sensor Circuit Low Voltage and 4 for Cruise Vehicle Speed/Set Speed Difference Too High.