The engine B2238 Code has diverse menaings what based on the model and manufacturer of the vehicle. Do not follow the dictionary menaing for solving the car engine problem. The real meaning of the code helps to solve issue from the car engine. The dictionary meaning is common and it found online easily. The dictionary meaning is is B Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor single Performance. 3 for Cruise Control Servo Indicates Low and 8 for PCM Stack Overrun. The body of the engine has the problem.