The basic meaning of the code B2144 is not so important but you may use this general meaning to know the meaning of the code. The meaning of code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific 1 for Transmission 4 for BBV Sensor Circuit Low Voltage and 4 for Cruise Vehicle Speed/Set Speed Difference Too High. Now it is very easy to get the real meaning if manufacturer name and model number of the car is known. You have nothing to worry if you have learned how to fix it and you have all machines.