The B1373 Code comes for the error of the engine and the problem seems on the body. The solution of the problem B1373 Code is related with body of the engine. The unique multi-displacement system turned off opposed pairs of cylinders, letting the engine to have three dissimilar configurations and displacements. B1373 code had an elaborate diagnostics procedure, with showing engine trouble codes on the air conditioning display. However, the system was difficult, misunderstood by customers, and a rash of changeable failures led to the technology being rapidly retired. However, if you do not have all necessary instruments for fixing the problem, it is necessary to take service from professionals.