The B1393 Code is a meaning of fault of engine and it seems that the problem code comes for the body issues of the engine. It is necessary to identify the meaning. The general 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. 3 for IC Module 4X Ref Circuit Intermittent, No Pulses. 9 for Crankshaft Position Sensor Circuit Performance and 3 for Transmission Control Module Reprogrammable Memory. Now it is easy to get the problem and take necessary action to solve the problem.