The B2237 Code is a necessary thing for solving the car engine problem. There are many reasons what can be the cause of the B2237 code appear. The code has varities of meanings and those different meanings are connected with the car manufacturer. The dictionary menaing of the code is helpful somewhat and it 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 Sensor one Performance. 3 for Cruise Control Servo Indicates Low and 7 for Cruise Inhibit Control Circuit. It is easy to fix the car engine from the body of the engine.