The diagnosis B1432 Code has different meanings and to know the correct meaning of the code, it is necessary to know the model and manufacturer. You should read the manual of the engine and car as well. If you want to fix the problem in yourself, then you should have all necessary tools and machines in your place. If you do not have all necessary things, then you should not try to fix it. You should hand over to the task to professional. B means Body Code Problem is antilock brake system, electronic suspension and steering systems, 1 means MFG – Manufacturer Specific 4 means Transmission, 3 means Cruise Control Servo Indicates Low and 2 means A/C System High Pressure High Temperature.