The B1379 Code arises for the error of the engine and the trouble seems on the body. The B1379 Code has meaning and the meaning 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. 7 for Vehicle Speed Output Circuit and 9 for Kick-Down Switch Failed Short. The problem is related with the body of engine. The problem may come for various purposes and it is important to know the model and manufacturer for solving the problem. Take help from professional for solving the problem.