The basic meaning of the B1925 Code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 9 for Fuel and Air Metering (Injector Circuit Malfunctions Only). 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage. 5 for Park or Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit. The body of the car engine has the problem and you can solve the problem from the engine easily at least price. No component is necessary to change or remove from the car engine. You can try to solve the problem if you have all machines and experience.