The B1770 Code is appeared when the car engine is diagnosed and you cannot solve the problem of the engine if meaning of the code is known properly. The dictionary meaning of the code helps you to get the meaning of the code but you will not get accurate meaning of the code for solving the problem from the engine. The B1770 code gives some information like B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 7 for Auxiliary Emission Controls. 7 for Vehicle Speed Output Circuit and 0 for Transmission Engaged at High Throttle Angle.