The B1600 Code has several meanings and the meanings of the code based on the manufacturer and model of the engine. It is important to know the dictionary meaning for solving the issue. 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. 6 for Vehicle Speed Control and Idle Control System. 0 for IC Circuit High Voltage and 0 for Transmission Engaged at High Throttle Angle. Check the fuel pressure and connections what are the main cause of the code appears. Do not drive the car until fix.