The fault B1595 Code is related with the engine and if you want to solve the problem, you need to know the meaning of the code. The dictionary meaning of the 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. 9 for Crankshaft Position Sensor Circuit Performance. 5 for Park or Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit. The problem is related with the body of engine and it is not necessary to change any component for solving the issue.