The B1636 Code is relevant with the car engine code and it is a diagnosis code what is related with the car engine. The dictionary meaning of the code helps to identify the meaning of the code as well as it is necessary to know the name of the manufacture and model number. 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. 3 for Cruise Control Servo Indicates Low. 6 for Cruise Control System – Vehicle Accel Too High.