The powertrain of the car engine is fault and when you fix the powertrain, the engine P1732 Code will disappear. The engine code is meaningful and when you know the meaning of the code, you can solve the car engine problem. The automobile dictionary meaning of the code may be used for solving the car engine. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 7 for Auxiliary Emission Controls. 3 for Cruise Control Servo Indicates Low and 2 for A/C System High Pressure High Temperature.