You need to know the meaning of the B1793 Code when you get the code during the car engine is tested. Do not drive the car with the engine problem. The code is meaningful what is related with the manufacturer name and model number. Do not use only the dictionary meaning for solving the problem from the engine. 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. 7 for Auxiliary Emission Controls. 9 for Crankshaft Position Sensor Circuit Performance and 3 for Transmission Control Module Reprogrammable Memory.