The code B2230 has the explanation and body of the engine has the main problem and that is why, the code is started with the B. The basic meaning 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 Performance. 3 for Cruise Control Servo Indicates Low and 0 for Transmission Engaged at High Throttle Angle. Engine body is the problematic and that is why the code is started with the Body of the engine and it is easy to fix.