The B1582 Code is important thing and it is necessary to get the correct meaning of the code. If you want to solve the problem. It is necessary to read the manual and you need to know the model and manufacturer number. The dictionary meaning of this code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 5 for Computer and Auxiliary Outputs. 8 for Exhaust Gas Recirculation System Valve one. 2 for A/C System High Pressure High Temperature. Now it is very easy to solve the problem of the engine.