The automobile dictionary meaning of the B2563 Code is not helpful but it can be used for solving the car engine problem. The dictionary is found online and you can use Google for finding the real meaning. 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. 6 for Control Module Throttle Actuator Position Performance and 3 for Transmission Control Module Reprogrammable Memory. No component is necessary to alter for solving the car engine problem and fixing the car engine is easy.