The B1766 Code is fully meaningful and if you want to get the meaning of the code, read the manual of the car and engine. You should also read the dictionary meaning of this code for solving all problems from the engine. You cannot ignore reading the manual and know the dictionary meaning. 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. 7 for Auxiliary Emission Controls. 6 for Control Module Throttle Actuator Position Performance and 6 for Cruise Control System – Vehicle Accel Too High.