DTC P1696: Authentication Fail: General Description

The smart key system is totally composed of a smart key module, a power distribute mode, an external receiver and a smart key holder.

The SMK, the Smart Key system which has not Fob holder, is embed with a Demodulator. So the two Immo coil lines are connected this SSB. IBU (SMK+BCM+TPMS) sends a certified signal to the ECM/PCM through this process and then takes the engine to start by receiving the permission signal of engine start.