The trouble code B1217 has many meanings and meaning of the code is related with the manufacturer of the cars and models. To know the meaning of the code B1217, it is essential to know the model and manufacturer. The B1217 Code has a dictionary meaning and that is B for Body code, 1 for MFG, 2 for Computer and Auxiliary Outputs, 1 for IC Circuit High Voltage and 2 for Kick-Down Switch Failed Short. Too much air inflow can be produced by a vacuum leak, a dirty sensor and an expend gas recirculation valve not final properly. There are some other problems may cause of code B1217.