Sentry Key Immobilizer System (Skis)
WARNING: This page is about a different car, the 2018 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
All modules of the IGNM have transponder chips in all keys and FOBIKs. Upon failure of proper Sentry Key Immobilizer (SKIS) communication to the Radio Frequency Hub (RFH), the RFH will not allow the vehicle to crank. The engine will not re-crank on the key cycle that the failure occurred, a full key down sequence must be performed for the engine to crank again. Refer to OPERATION .