The B2531 Code is found in many car engine and meaning of the code is necessary to solve the car engine problem. If you are experienced and you have all tools for solving the car engine problem, you can try to solve the car engine. The general 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. 3 for Cruise Control Servo Indicates Low and 4 for Cruise Vehicle Speed/Set Speed Difference Too High. The B2534 engine code seems a kind of body problem and it is easy to fix.