The meaning of the B1906 Code is necessary thing and if you do not get the real meaning of the code, you cannot fix the problem. The basic meaning of the code is not all thing but you can get some idea about the code. The dictionary meaning of the code is B is Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 is MFG – Manufacturer Specific. 9 is Fuel and Air Metering (Injector Circuit Malfunctions Only). 0 is IC Circuit High Voltage and 6 is Cruise Control System – Vehicle Accel Too High. You should read the manual for understand the real meaning of the code.