The gunning meaning of the B2588 Code is necessary for solving the car engine problem but do not use the dictionary meaning of the code for solving the car engine problem. The dictionary meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. 5 for Computer And Auxiliary Outputs. 8 for Exhaust Gas Recirculation System Valve 1 and 8 for PCM Stack Overrun. The manufacturer has a specific meaning and you can solve the car engine problem from the car if you are an automobile engineer.