The dictionary meaning of the B1941 Code helps somewhat and 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. 4 for BBV Sensor Circuit Low Voltage and 1 for TFP Valve Position Switch-Drive Without Drive Ratio. You need to get the real meaning of the code and you can retrieve the real meaning of the code when you can identify the model number and manufacturer name. No component is necessary to change for solving the car engine problem from its body part.