The B1653 Code is meaningful and you will not get this code form your car. When the car engine is verified, the engine code appears at the diagnosis time. You have to solve the problem of the engine if you want drive the car properly. From the dictionary explanation, you will get the meaning of the code. The 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. 5 for TP Sensor Learn Not Complete and 3 for Transmission Control Module Reprogrammable Memory.