The engine B2243 Code has a meaning and it is necessary to get the correct meaning if you want to solve the problem from the car. The general meaning of the code is not every thing for solving the car engine but you can use the general meaning of the code to understand the meaning well. The dictionary menaing of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor. 1 for Performance. 4 for BBV Sensor Circuit Low Voltage and 3 for Transmission Control Module Reprogrammable Memory.